darkcomet | d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f

General

Target

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
Size

1.9MB
MD5

39c4e0d317be94dd90138cbba7009f50
SHA1

f606d43b09f51620415a749fea1da7f33b652ebb
SHA256

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f
SHA512

f7115ddeca1b6a70ff9c67e2a76f230a59f818815dba791d9dfd6cd9a764a3b0a38d1661cf0074b54ab93124c917859ee6fc9683dc236e395aef1dc68f902620

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

3304 test.exe
4024 test.exe
2160 test.exe

pid	process
3304	test.exe
4024	test.exe
2160	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3976-119-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3976-123-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2160-140-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2160-153-0x0000000000400000-0x00000000004B7000-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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exetest.exe

description	pid	process	target process
PID 3872 set thread context of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3304 set thread context of 4024	3304	test.exe	test.exe
PID 3304 set thread context of 2160	3304	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	2160	test.exe
Token: SeSecurityPrivilege	2160	test.exe
Token: SeTakeOwnershipPrivilege	2160	test.exe
Token: SeLoadDriverPrivilege	2160	test.exe
Token: SeSystemProfilePrivilege	2160	test.exe
Token: SeSystemtimePrivilege	2160	test.exe
Token: SeProfSingleProcessPrivilege	2160	test.exe
Token: SeIncBasePriorityPrivilege	2160	test.exe
Token: SeCreatePagefilePrivilege	2160	test.exe
Token: SeBackupPrivilege	2160	test.exe
Token: SeRestorePrivilege	2160	test.exe
Token: SeShutdownPrivilege	2160	test.exe
Token: SeDebugPrivilege	2160	test.exe
Token: SeSystemEnvironmentPrivilege	2160	test.exe
Token: SeChangeNotifyPrivilege	2160	test.exe
Token: SeRemoteShutdownPrivilege	2160	test.exe
Token: SeUndockPrivilege	2160	test.exe
Token: SeManageVolumePrivilege	2160	test.exe
Token: SeImpersonatePrivilege	2160	test.exe
Token: SeCreateGlobalPrivilege	2160	test.exe
Token: 33	2160	test.exe
Token: 34	2160	test.exe
Token: 35	2160	test.exe
Token: 36	2160	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe
Token: SeDebugPrivilege	4024	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exed3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exetest.exetest.exe

pid	process
3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
3976	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
3304	test.exe
4024	test.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exed3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.execmd.exetest.exe

description	pid	process	target process
PID 3872 wrote to memory of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3872 wrote to memory of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3872 wrote to memory of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3872 wrote to memory of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3872 wrote to memory of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3872 wrote to memory of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3872 wrote to memory of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3872 wrote to memory of 3976	3872	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 3976 wrote to memory of 2696	3976	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	cmd.exe
PID 3976 wrote to memory of 2696	3976	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	cmd.exe
PID 3976 wrote to memory of 2696	3976	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	cmd.exe
PID 2696 wrote to memory of 3300	2696	cmd.exe	reg.exe
PID 2696 wrote to memory of 3300	2696	cmd.exe	reg.exe
PID 2696 wrote to memory of 3300	2696	cmd.exe	reg.exe
PID 3976 wrote to memory of 3304	3976	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	test.exe
PID 3976 wrote to memory of 3304	3976	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	test.exe
PID 3976 wrote to memory of 3304	3976	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	test.exe
PID 3304 wrote to memory of 4024	3304	test.exe	test.exe
PID 3304 wrote to memory of 4024	3304	test.exe	test.exe
PID 3304 wrote to memory of 4024	3304	test.exe	test.exe
PID 3304 wrote to memory of 4024	3304	test.exe	test.exe
PID 3304 wrote to memory of 4024	3304	test.exe	test.exe
PID 3304 wrote to memory of 4024	3304	test.exe	test.exe
PID 3304 wrote to memory of 4024	3304	test.exe	test.exe
PID 3304 wrote to memory of 4024	3304	test.exe	test.exe
PID 3304 wrote to memory of 2160	3304	test.exe	test.exe
PID 3304 wrote to memory of 2160	3304	test.exe	test.exe
PID 3304 wrote to memory of 2160	3304	test.exe	test.exe
PID 3304 wrote to memory of 2160	3304	test.exe	test.exe
PID 3304 wrote to memory of 2160	3304	test.exe	test.exe
PID 3304 wrote to memory of 2160	3304	test.exe	test.exe
PID 3304 wrote to memory of 2160	3304	test.exe	test.exe
PID 3304 wrote to memory of 2160	3304	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
"C:\Users\Admin\AppData\Local\Temp\d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3872

C:\Users\Admin\AppData\Local\Temp\d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
"C:\Users\Admin\AppData\Local\Temp\d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BCIAF.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:2696

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:3300

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:3304

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:4024

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:2160

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\BCIAF.bat
MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
a6182f24449395c147451e3aaeb1a182

SHA1
4df205c48a21750a872ca45c83b556b181b7ff1a

SHA256
94ddaec72bb7c83d88c261b6d7dd23fee9a096f5cb17c26f98a27bc403f3a795

SHA512
a94f952a9b2ef85ff81bb70a3246a87664f3c4a408f2d0a07b677af87913e871a9fcb8cc21d16ed350d6e0e4118251612def96683fad69aad2ea506154a06e77

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
a6182f24449395c147451e3aaeb1a182

SHA1
4df205c48a21750a872ca45c83b556b181b7ff1a

SHA256
94ddaec72bb7c83d88c261b6d7dd23fee9a096f5cb17c26f98a27bc403f3a795

SHA512
a94f952a9b2ef85ff81bb70a3246a87664f3c4a408f2d0a07b677af87913e871a9fcb8cc21d16ed350d6e0e4118251612def96683fad69aad2ea506154a06e77

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
a6182f24449395c147451e3aaeb1a182

SHA1
4df205c48a21750a872ca45c83b556b181b7ff1a

SHA256
94ddaec72bb7c83d88c261b6d7dd23fee9a096f5cb17c26f98a27bc403f3a795

SHA512
a94f952a9b2ef85ff81bb70a3246a87664f3c4a408f2d0a07b677af87913e871a9fcb8cc21d16ed350d6e0e4118251612def96683fad69aad2ea506154a06e77

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
a6182f24449395c147451e3aaeb1a182

SHA1
4df205c48a21750a872ca45c83b556b181b7ff1a

SHA256
94ddaec72bb7c83d88c261b6d7dd23fee9a096f5cb17c26f98a27bc403f3a795

SHA512
a94f952a9b2ef85ff81bb70a3246a87664f3c4a408f2d0a07b677af87913e871a9fcb8cc21d16ed350d6e0e4118251612def96683fad69aad2ea506154a06e77

Download Submit
memory/2160-154-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/2160-153-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2160-141-0x00000000004B5640-mapping.dmp

Download
memory/2160-140-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2696-128-0x0000000000000000-mapping.dmp

Download
memory/3300-130-0x0000000000000000-mapping.dmp

Download
memory/3304-147-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/3304-146-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3304-131-0x0000000000000000-mapping.dmp

Download
memory/3304-150-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download
memory/3304-149-0x00000000021C0000-0x00000000021C1000-memory.dmp

Filesize
4KB

Download
memory/3304-148-0x00000000021A0000-0x00000000021A1000-memory.dmp

Filesize
4KB

Download
memory/3872-120-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3872-122-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3872-127-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3872-114-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/3872-125-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3872-118-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3872-117-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/3976-121-0x00000000004085D0-mapping.dmp

Download
memory/3976-119-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3976-123-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4024-138-0x00000000004085D0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads