darkcomet | a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8

General

Target

a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
Size

1.9MB
MD5

b642d6bd10be8a0755f7d9b1ec6dc4b4
SHA1

4fd2f150c468ab083b9e55f44cf083e7a2c33fdd
SHA256

a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8
SHA512

d302dd8a8d0ded6611824144bfffb1ce41b00db521b89b2c5a0f83e09970e9cbb288f039b6a0f85e112d9301ed2cb0f7b42c42af8913025f6fcbf0d8e5343e16

Score

10^/10

darkcomet persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 3 IoCs

Processes:

test.exetest.exetest.exe

pid process

2296 test.exe
364 test.exe
3232 test.exe

pid	process
2296	test.exe
364	test.exe
3232	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3880-117-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3880-127-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3232-140-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3232-153-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exetest.exe

description	pid	process	target process
PID 472 set thread context of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 2296 set thread context of 364	2296	test.exe	test.exe
PID 2296 set thread context of 3232	2296	test.exe	test.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

test.exetest.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3232	test.exe
Token: SeSecurityPrivilege	3232	test.exe
Token: SeTakeOwnershipPrivilege	3232	test.exe
Token: SeLoadDriverPrivilege	3232	test.exe
Token: SeSystemProfilePrivilege	3232	test.exe
Token: SeSystemtimePrivilege	3232	test.exe
Token: SeProfSingleProcessPrivilege	3232	test.exe
Token: SeIncBasePriorityPrivilege	3232	test.exe
Token: SeCreatePagefilePrivilege	3232	test.exe
Token: SeBackupPrivilege	3232	test.exe
Token: SeRestorePrivilege	3232	test.exe
Token: SeShutdownPrivilege	3232	test.exe
Token: SeDebugPrivilege	3232	test.exe
Token: SeSystemEnvironmentPrivilege	3232	test.exe
Token: SeChangeNotifyPrivilege	3232	test.exe
Token: SeRemoteShutdownPrivilege	3232	test.exe
Token: SeUndockPrivilege	3232	test.exe
Token: SeManageVolumePrivilege	3232	test.exe
Token: SeImpersonatePrivilege	3232	test.exe
Token: SeCreateGlobalPrivilege	3232	test.exe
Token: 33	3232	test.exe
Token: 34	3232	test.exe
Token: 35	3232	test.exe
Token: 36	3232	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe
Token: SeDebugPrivilege	364	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exea3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exetest.exetest.exe

pid	process
472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
3880	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
2296	test.exe
364	test.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exea3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.execmd.exetest.exe

description	pid	process	target process
PID 472 wrote to memory of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 472 wrote to memory of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 472 wrote to memory of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 472 wrote to memory of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 472 wrote to memory of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 472 wrote to memory of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 472 wrote to memory of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 472 wrote to memory of 3880	472	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
PID 3880 wrote to memory of 2888	3880	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	cmd.exe
PID 3880 wrote to memory of 2888	3880	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	cmd.exe
PID 3880 wrote to memory of 2888	3880	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	cmd.exe
PID 2888 wrote to memory of 932	2888	cmd.exe	reg.exe
PID 2888 wrote to memory of 932	2888	cmd.exe	reg.exe
PID 2888 wrote to memory of 932	2888	cmd.exe	reg.exe
PID 3880 wrote to memory of 2296	3880	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	test.exe
PID 3880 wrote to memory of 2296	3880	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	test.exe
PID 3880 wrote to memory of 2296	3880	a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe	test.exe
PID 2296 wrote to memory of 364	2296	test.exe	test.exe
PID 2296 wrote to memory of 364	2296	test.exe	test.exe
PID 2296 wrote to memory of 364	2296	test.exe	test.exe
PID 2296 wrote to memory of 364	2296	test.exe	test.exe
PID 2296 wrote to memory of 364	2296	test.exe	test.exe
PID 2296 wrote to memory of 364	2296	test.exe	test.exe
PID 2296 wrote to memory of 364	2296	test.exe	test.exe
PID 2296 wrote to memory of 364	2296	test.exe	test.exe
PID 2296 wrote to memory of 3232	2296	test.exe	test.exe
PID 2296 wrote to memory of 3232	2296	test.exe	test.exe
PID 2296 wrote to memory of 3232	2296	test.exe	test.exe
PID 2296 wrote to memory of 3232	2296	test.exe	test.exe
PID 2296 wrote to memory of 3232	2296	test.exe	test.exe
PID 2296 wrote to memory of 3232	2296	test.exe	test.exe
PID 2296 wrote to memory of 3232	2296	test.exe	test.exe
PID 2296 wrote to memory of 3232	2296	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
"C:\Users\Admin\AppData\Local\Temp\a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:472

C:\Users\Admin\AppData\Local\Temp\a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe
"C:\Users\Admin\AppData\Local\Temp\a3ea0f7e7ed47a78bd00703e9e6e0a9127b0107b270cf8c25b910bfe3f3872b8.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3880

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IVCLV.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:2888

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\test\test.exe" /f
4⤵
- Adds Run key to start application
PID:932

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:364

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3232

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IVCLV.bat
MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
760666a90fce76dd3acf005e323a5ad9

SHA1
a925342c668dcd0ebba18be9abb5a2e18751a211

SHA256
1b0df9bc0e34fce2138fa195558ba9286b8f57d3686b888466b200280f9557d8

SHA512
04abb44f2df8a14781948305cab4f3f970240d7970ab1e5b6109ec4a52f7bab828edfb4b844c61b6eb8e8557e647fbfec9172ea436b64b24335e427bb7d9a4a5

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
760666a90fce76dd3acf005e323a5ad9

SHA1
a925342c668dcd0ebba18be9abb5a2e18751a211

SHA256
1b0df9bc0e34fce2138fa195558ba9286b8f57d3686b888466b200280f9557d8

SHA512
04abb44f2df8a14781948305cab4f3f970240d7970ab1e5b6109ec4a52f7bab828edfb4b844c61b6eb8e8557e647fbfec9172ea436b64b24335e427bb7d9a4a5

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
760666a90fce76dd3acf005e323a5ad9

SHA1
a925342c668dcd0ebba18be9abb5a2e18751a211

SHA256
1b0df9bc0e34fce2138fa195558ba9286b8f57d3686b888466b200280f9557d8

SHA512
04abb44f2df8a14781948305cab4f3f970240d7970ab1e5b6109ec4a52f7bab828edfb4b844c61b6eb8e8557e647fbfec9172ea436b64b24335e427bb7d9a4a5

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
760666a90fce76dd3acf005e323a5ad9

SHA1
a925342c668dcd0ebba18be9abb5a2e18751a211

SHA256
1b0df9bc0e34fce2138fa195558ba9286b8f57d3686b888466b200280f9557d8

SHA512
04abb44f2df8a14781948305cab4f3f970240d7970ab1e5b6109ec4a52f7bab828edfb4b844c61b6eb8e8557e647fbfec9172ea436b64b24335e427bb7d9a4a5

Download Submit
memory/364-138-0x00000000004085D0-mapping.dmp

Download
memory/472-124-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/472-121-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/472-125-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/472-122-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/472-126-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/472-123-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/472-114-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/932-130-0x0000000000000000-mapping.dmp

Download
memory/2296-131-0x0000000000000000-mapping.dmp

Download
memory/2888-128-0x0000000000000000-mapping.dmp

Download
memory/3232-140-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3232-141-0x00000000004B5640-mapping.dmp

Download
memory/3232-153-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3232-154-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/3880-127-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3880-118-0x00000000004085D0-mapping.dmp

Download
memory/3880-117-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads