darkcomet | 1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64

General

Target

1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe
Size

380KB
MD5

1016a9cc08ad611bccaa936c16d87c32
SHA1

fa149e450522fcbcd7ae0469ded554bd7a58b6d5
SHA256

1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64
SHA512

4e1d65ae643e56bb16b364f1de519a62a6f8a85c2d0709fa0d2447180ee4f293e1f8d65488d0b717d2de0d8e7b7f69b5fe65a5aa2123acd79ab10c06acac352b

Score

10^/10

darkcomet evasion persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

Templah.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\System32\\system32.exe"	Templah.exe

Executes dropped EXE 2 IoCs

Processes:

Templah.exesystem32.exe

pid process

1872 Templah.exe
1908 system32.exe
Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

pid	process
1872	Templah.exe
1908	system32.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Templah.exe	upx
\Users\Admin\AppData\Local\Templah.exe	upx
C:\Users\Admin\AppData\Local\Templah.exe	upx
C:\Users\Admin\AppData\Local\Templah.exe	upx
\Windows\SysWOW64\System32\system32.exe	upx
\Windows\SysWOW64\System32\system32.exe	upx
C:\Windows\SysWOW64\System32\system32.exe	upx
C:\Windows\SysWOW64\System32\system32.exe	upx

Loads dropped DLL 4 IoCs

Processes:

1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exeTemplah.exe

pid	process
1512	1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe
1512	1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe
1872	Templah.exe
1872	Templah.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Templah.exesystem32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\System32 = "C:\\Windows\\system32\\System32\\system32.exe"	Templah.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\System32 = "C:\\Windows\\system32\\System32\\system32.exe"	system32.exe

Drops file in System32 directory 3 IoCs

Processes:

Templah.exe

description	ioc	process
File created	C:\Windows\SysWOW64\System32\system32.exe	Templah.exe
File opened for modification	C:\Windows\SysWOW64\System32\system32.exe	Templah.exe
File opened for modification	C:\Windows\SysWOW64\System32\	Templah.exe

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

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

system32.exe

pid process

1908 system32.exe

pid	process
1908	system32.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

Templah.exesystem32.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1872	Templah.exe
Token: SeSecurityPrivilege	1872	Templah.exe
Token: SeTakeOwnershipPrivilege	1872	Templah.exe
Token: SeLoadDriverPrivilege	1872	Templah.exe
Token: SeSystemProfilePrivilege	1872	Templah.exe
Token: SeSystemtimePrivilege	1872	Templah.exe
Token: SeProfSingleProcessPrivilege	1872	Templah.exe
Token: SeIncBasePriorityPrivilege	1872	Templah.exe
Token: SeCreatePagefilePrivilege	1872	Templah.exe
Token: SeBackupPrivilege	1872	Templah.exe
Token: SeRestorePrivilege	1872	Templah.exe
Token: SeShutdownPrivilege	1872	Templah.exe
Token: SeDebugPrivilege	1872	Templah.exe
Token: SeSystemEnvironmentPrivilege	1872	Templah.exe
Token: SeChangeNotifyPrivilege	1872	Templah.exe
Token: SeRemoteShutdownPrivilege	1872	Templah.exe
Token: SeUndockPrivilege	1872	Templah.exe
Token: SeManageVolumePrivilege	1872	Templah.exe
Token: SeImpersonatePrivilege	1872	Templah.exe
Token: SeCreateGlobalPrivilege	1872	Templah.exe
Token: 33	1872	Templah.exe
Token: 34	1872	Templah.exe
Token: 35	1872	Templah.exe
Token: SeIncreaseQuotaPrivilege	1908	system32.exe
Token: SeSecurityPrivilege	1908	system32.exe
Token: SeTakeOwnershipPrivilege	1908	system32.exe
Token: SeLoadDriverPrivilege	1908	system32.exe
Token: SeSystemProfilePrivilege	1908	system32.exe
Token: SeSystemtimePrivilege	1908	system32.exe
Token: SeProfSingleProcessPrivilege	1908	system32.exe
Token: SeIncBasePriorityPrivilege	1908	system32.exe
Token: SeCreatePagefilePrivilege	1908	system32.exe
Token: SeBackupPrivilege	1908	system32.exe
Token: SeRestorePrivilege	1908	system32.exe
Token: SeShutdownPrivilege	1908	system32.exe
Token: SeDebugPrivilege	1908	system32.exe
Token: SeSystemEnvironmentPrivilege	1908	system32.exe
Token: SeChangeNotifyPrivilege	1908	system32.exe
Token: SeRemoteShutdownPrivilege	1908	system32.exe
Token: SeUndockPrivilege	1908	system32.exe
Token: SeManageVolumePrivilege	1908	system32.exe
Token: SeImpersonatePrivilege	1908	system32.exe
Token: SeCreateGlobalPrivilege	1908	system32.exe
Token: 33	1908	system32.exe
Token: 34	1908	system32.exe
Token: 35	1908	system32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exesystem32.exe

pid	process
1512	1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe
1512	1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe
1908	system32.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exeTemplah.execmd.execmd.exesystem32.exe

description	pid	process	target process
PID 1512 wrote to memory of 1872	1512	1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe	Templah.exe
PID 1512 wrote to memory of 1872	1512	1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe	Templah.exe
PID 1512 wrote to memory of 1872	1512	1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe	Templah.exe
PID 1512 wrote to memory of 1872	1512	1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe	Templah.exe
PID 1872 wrote to memory of 516	1872	Templah.exe	cmd.exe
PID 1872 wrote to memory of 516	1872	Templah.exe	cmd.exe
PID 1872 wrote to memory of 516	1872	Templah.exe	cmd.exe
PID 1872 wrote to memory of 516	1872	Templah.exe	cmd.exe
PID 1872 wrote to memory of 560	1872	Templah.exe	cmd.exe
PID 1872 wrote to memory of 560	1872	Templah.exe	cmd.exe
PID 1872 wrote to memory of 560	1872	Templah.exe	cmd.exe
PID 1872 wrote to memory of 560	1872	Templah.exe	cmd.exe
PID 560 wrote to memory of 1332	560	cmd.exe	attrib.exe
PID 560 wrote to memory of 1332	560	cmd.exe	attrib.exe
PID 560 wrote to memory of 1332	560	cmd.exe	attrib.exe
PID 560 wrote to memory of 1332	560	cmd.exe	attrib.exe
PID 516 wrote to memory of 1324	516	cmd.exe	attrib.exe
PID 516 wrote to memory of 1324	516	cmd.exe	attrib.exe
PID 516 wrote to memory of 1324	516	cmd.exe	attrib.exe
PID 516 wrote to memory of 1324	516	cmd.exe	attrib.exe
PID 1872 wrote to memory of 1908	1872	Templah.exe	system32.exe
PID 1872 wrote to memory of 1908	1872	Templah.exe	system32.exe
PID 1872 wrote to memory of 1908	1872	Templah.exe	system32.exe
PID 1872 wrote to memory of 1908	1872	Templah.exe	system32.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe
PID 1908 wrote to memory of 1508	1908	system32.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1324 attrib.exe
1332 attrib.exe

pid	process
1324	attrib.exe
1332	attrib.exe

C:\Users\Admin\AppData\Local\Temp\1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe
"C:\Users\Admin\AppData\Local\Temp\1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1512

C:\Users\Admin\AppData\Local\Templah.exe
"C:\Users\Admin\AppData\Local\Templah.exe"
2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1872

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Templah.exe" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:516

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Templah.exe" +s +h
4⤵
- Views/modifies file attributes
PID:1324

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local" +s +h
4⤵
- Views/modifies file attributes
PID:1332

C:\Windows\SysWOW64\System32\system32.exe
"C:\Windows\system32\System32\system32.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\notepad.exe
notepad
4⤵
PID:1508

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Hidden Files and Directories

2

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Templah.exe
MD5
e3152883aa75daa57bcb674f8c2a2973

SHA1
f6a0d3ffb065360e8fee64bb0ba5aa7c5549bb93

SHA256
0b8a04a1cd7183f5aec001c85f07defdad1d953ca3c0f16eba91073ede491be6

SHA512
3e3ec3715295302f29873251560250a4dfe594071ab4ee9a173cea65002d40808f041c7bddbbad68664c11641daeb7f3fd2225c381a8cf02377d3cefe0116bf8

Download Submit
C:\Users\Admin\AppData\Local\Templah.exe
MD5
e3152883aa75daa57bcb674f8c2a2973

SHA1
f6a0d3ffb065360e8fee64bb0ba5aa7c5549bb93

SHA256
0b8a04a1cd7183f5aec001c85f07defdad1d953ca3c0f16eba91073ede491be6

SHA512
3e3ec3715295302f29873251560250a4dfe594071ab4ee9a173cea65002d40808f041c7bddbbad68664c11641daeb7f3fd2225c381a8cf02377d3cefe0116bf8

Download Submit
C:\Windows\SysWOW64\System32\system32.exe
MD5
e3152883aa75daa57bcb674f8c2a2973

SHA1
f6a0d3ffb065360e8fee64bb0ba5aa7c5549bb93

SHA256
0b8a04a1cd7183f5aec001c85f07defdad1d953ca3c0f16eba91073ede491be6

SHA512
3e3ec3715295302f29873251560250a4dfe594071ab4ee9a173cea65002d40808f041c7bddbbad68664c11641daeb7f3fd2225c381a8cf02377d3cefe0116bf8

Download Submit
C:\Windows\SysWOW64\System32\system32.exe
MD5
e3152883aa75daa57bcb674f8c2a2973

SHA1
f6a0d3ffb065360e8fee64bb0ba5aa7c5549bb93

SHA256
0b8a04a1cd7183f5aec001c85f07defdad1d953ca3c0f16eba91073ede491be6

SHA512
3e3ec3715295302f29873251560250a4dfe594071ab4ee9a173cea65002d40808f041c7bddbbad68664c11641daeb7f3fd2225c381a8cf02377d3cefe0116bf8

Download Submit
\Users\Admin\AppData\Local\Templah.exe
MD5
e3152883aa75daa57bcb674f8c2a2973

SHA1
f6a0d3ffb065360e8fee64bb0ba5aa7c5549bb93

SHA256
0b8a04a1cd7183f5aec001c85f07defdad1d953ca3c0f16eba91073ede491be6

SHA512
3e3ec3715295302f29873251560250a4dfe594071ab4ee9a173cea65002d40808f041c7bddbbad68664c11641daeb7f3fd2225c381a8cf02377d3cefe0116bf8

Download Submit
\Users\Admin\AppData\Local\Templah.exe
MD5
e3152883aa75daa57bcb674f8c2a2973

SHA1
f6a0d3ffb065360e8fee64bb0ba5aa7c5549bb93

SHA256
0b8a04a1cd7183f5aec001c85f07defdad1d953ca3c0f16eba91073ede491be6

SHA512
3e3ec3715295302f29873251560250a4dfe594071ab4ee9a173cea65002d40808f041c7bddbbad68664c11641daeb7f3fd2225c381a8cf02377d3cefe0116bf8

Download Submit
\Windows\SysWOW64\System32\system32.exe
MD5
e3152883aa75daa57bcb674f8c2a2973

SHA1
f6a0d3ffb065360e8fee64bb0ba5aa7c5549bb93

SHA256
0b8a04a1cd7183f5aec001c85f07defdad1d953ca3c0f16eba91073ede491be6

SHA512
3e3ec3715295302f29873251560250a4dfe594071ab4ee9a173cea65002d40808f041c7bddbbad68664c11641daeb7f3fd2225c381a8cf02377d3cefe0116bf8

Download Submit
\Windows\SysWOW64\System32\system32.exe
MD5
e3152883aa75daa57bcb674f8c2a2973

SHA1
f6a0d3ffb065360e8fee64bb0ba5aa7c5549bb93

SHA256
0b8a04a1cd7183f5aec001c85f07defdad1d953ca3c0f16eba91073ede491be6

SHA512
3e3ec3715295302f29873251560250a4dfe594071ab4ee9a173cea65002d40808f041c7bddbbad68664c11641daeb7f3fd2225c381a8cf02377d3cefe0116bf8

Download Submit
memory/516-15-0x0000000000000000-mapping.dmp

Download
memory/560-16-0x0000000000000000-mapping.dmp

Download
memory/1324-18-0x0000000000000000-mapping.dmp

Download
memory/1332-17-0x0000000000000000-mapping.dmp

Download
memory/1508-25-0x0000000000000000-mapping.dmp

Download
memory/1508-24-0x0000000000000000-mapping.dmp

Download
memory/1512-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1512-2-0x0000000005C60000-0x0000000005C61000-memory.dmp

Filesize
4KB

Download
memory/1872-12-0x0000000000000000-mapping.dmp

Download
memory/1908-21-0x0000000000000000-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