xtremerat | 977624eaf16f2c9f9cf2948e3aedc3ab0fb63de1ef967611aeba8a6780e45d45

General

Target

f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
Size

248KB
MD5

f1197adf8e213a524ad6b4570abb4a8a
SHA1

25298521e4e1450a17b28affc854995540ebde48
SHA256

977624eaf16f2c9f9cf2948e3aedc3ab0fb63de1ef967611aeba8a6780e45d45
SHA512

f2f4fa02f46b8046d0dec0915ad7761a533b53fca42f1240d623d66472af74f8753e4b5c09d042123aca04df2696357015a6b433743f3f66248a2858cfcabdf1
SSDEEP

3072:LfiQUSKagWQdZQyns1kDNow0LdEWebqIDY3w2:nkNovLTebqIDY

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

firefox-dmm.sytes.net

google-pro.dyndns.info

Signatures

Detect XtremeRAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3700-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3700-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4344-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2788-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3700-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2788-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4344-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2788-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

notepad.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{T2SK5MF8-MK2D-TMF7-1GYY-17RVL88AM6H8}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{T2SK5MF8-MK2D-TMF7-1GYY-17RVL88AM6H8}\StubPath = "C:\\Windows\\system32\\InstallDir\\ver.exe restart"	notepad.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3700-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3700-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3700-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3700-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4344-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2788-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3700-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2788-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4344-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2788-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

notepad.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\ver.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\ver.exe"	notepad.exe

Drops file in System32 directory 2 IoCs

Processes:

notepad.exe

description	ioc	process
File created	C:\Windows\SysWOW64\InstallDir\ver.exe	notepad.exe
File opened for modification	C:\Windows\SysWOW64\InstallDir\ver.exe	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe

description	pid	process	target process
PID 3580 set thread context of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 4 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
3572	4344	WerFault.exe	svchost.exe
4912	2788	WerFault.exe	notepad.exe
4540	4344	WerFault.exe	svchost.exe
4016	2788	WerFault.exe	notepad.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exenotepad.exe

pid process

3580 f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
2788 notepad.exe

pid	process
3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
2788	notepad.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exef1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe

description	pid	process	target process
PID 3580 wrote to memory of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
PID 3580 wrote to memory of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
PID 3580 wrote to memory of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
PID 3580 wrote to memory of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
PID 3580 wrote to memory of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
PID 3580 wrote to memory of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
PID 3580 wrote to memory of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
PID 3580 wrote to memory of 3700	3580	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
PID 3700 wrote to memory of 4344	3700	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	svchost.exe
PID 3700 wrote to memory of 4344	3700	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	svchost.exe
PID 3700 wrote to memory of 4344	3700	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	svchost.exe
PID 3700 wrote to memory of 4344	3700	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	svchost.exe
PID 3700 wrote to memory of 2788	3700	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	notepad.exe
PID 3700 wrote to memory of 2788	3700	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	notepad.exe
PID 3700 wrote to memory of 2788	3700	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	notepad.exe
PID 3700 wrote to memory of 2788	3700	f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3580

C:\Users\Admin\AppData\Local\Temp\f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1197adf8e213a524ad6b4570abb4a8a_JaffaCakes118.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3700

C:\Windows\SysWOW64\svchost.exe
svchost.exe
3⤵
PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 492
4⤵
- Program crash
PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 500
4⤵
- Program crash
PID:4540

C:\Windows\SysWOW64\notepad.exe
notepad.exe
3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:2788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 976
4⤵
- Program crash
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 984
4⤵
- Program crash
PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4344 -ip 4344
1⤵
PID:3740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2788 -ip 2788
1⤵
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4344 -ip 4344
1⤵
PID:3352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2788 -ip 2788
1⤵
PID:1800

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4788 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:3616

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2788-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2788-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2788-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3700-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3700-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3700-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3700-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3700-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4344-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4344-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads