darkcomet | 3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2

General

Target

3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
Size

1.9MB
MD5

b9c8a214a2d5f76056f475856ea214c6
SHA1

4682b1892f3f0ee13f0a2eb702e05fbb3e5d0af3
SHA256

3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2
SHA512

a98d561e8a4cd669096077171cbe8a0899799cc2cb9d7d54ac7ae0f529e757156f657aa5bd21e85fab3149fd6963b343a3b0a7a4af550b4300277374b9a33852

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

2328 test.exe
3768 test.exe
1484 test.exe

pid	process
2328	test.exe
3768	test.exe
1484	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3236-119-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3236-124-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1484-140-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1484-148-0x0000000000400000-0x00000000004B7000-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:

3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exetest.exe

description	pid	process	target process
PID 796 set thread context of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 2328 set thread context of 3768	2328	test.exe	test.exe
PID 2328 set thread context of 1484	2328	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	1484	test.exe
Token: SeSecurityPrivilege	1484	test.exe
Token: SeTakeOwnershipPrivilege	1484	test.exe
Token: SeLoadDriverPrivilege	1484	test.exe
Token: SeSystemProfilePrivilege	1484	test.exe
Token: SeSystemtimePrivilege	1484	test.exe
Token: SeProfSingleProcessPrivilege	1484	test.exe
Token: SeIncBasePriorityPrivilege	1484	test.exe
Token: SeCreatePagefilePrivilege	1484	test.exe
Token: SeBackupPrivilege	1484	test.exe
Token: SeRestorePrivilege	1484	test.exe
Token: SeShutdownPrivilege	1484	test.exe
Token: SeDebugPrivilege	1484	test.exe
Token: SeSystemEnvironmentPrivilege	1484	test.exe
Token: SeChangeNotifyPrivilege	1484	test.exe
Token: SeRemoteShutdownPrivilege	1484	test.exe
Token: SeUndockPrivilege	1484	test.exe
Token: SeManageVolumePrivilege	1484	test.exe
Token: SeImpersonatePrivilege	1484	test.exe
Token: SeCreateGlobalPrivilege	1484	test.exe
Token: 33	1484	test.exe
Token: 34	1484	test.exe
Token: 35	1484	test.exe
Token: 36	1484	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe
Token: SeDebugPrivilege	3768	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exetest.exetest.exe

pid	process
796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
3236	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
2328	test.exe
3768	test.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.execmd.exetest.exe

description	pid	process	target process
PID 796 wrote to memory of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 796 wrote to memory of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 796 wrote to memory of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 796 wrote to memory of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 796 wrote to memory of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 796 wrote to memory of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 796 wrote to memory of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 796 wrote to memory of 3236	796	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
PID 3236 wrote to memory of 496	3236	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	cmd.exe
PID 3236 wrote to memory of 496	3236	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	cmd.exe
PID 3236 wrote to memory of 496	3236	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	cmd.exe
PID 496 wrote to memory of 3800	496	cmd.exe	reg.exe
PID 496 wrote to memory of 3800	496	cmd.exe	reg.exe
PID 496 wrote to memory of 3800	496	cmd.exe	reg.exe
PID 3236 wrote to memory of 2328	3236	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	test.exe
PID 3236 wrote to memory of 2328	3236	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	test.exe
PID 3236 wrote to memory of 2328	3236	3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe	test.exe
PID 2328 wrote to memory of 3768	2328	test.exe	test.exe
PID 2328 wrote to memory of 3768	2328	test.exe	test.exe
PID 2328 wrote to memory of 3768	2328	test.exe	test.exe
PID 2328 wrote to memory of 3768	2328	test.exe	test.exe
PID 2328 wrote to memory of 3768	2328	test.exe	test.exe
PID 2328 wrote to memory of 3768	2328	test.exe	test.exe
PID 2328 wrote to memory of 3768	2328	test.exe	test.exe
PID 2328 wrote to memory of 3768	2328	test.exe	test.exe
PID 2328 wrote to memory of 1484	2328	test.exe	test.exe
PID 2328 wrote to memory of 1484	2328	test.exe	test.exe
PID 2328 wrote to memory of 1484	2328	test.exe	test.exe
PID 2328 wrote to memory of 1484	2328	test.exe	test.exe
PID 2328 wrote to memory of 1484	2328	test.exe	test.exe
PID 2328 wrote to memory of 1484	2328	test.exe	test.exe
PID 2328 wrote to memory of 1484	2328	test.exe	test.exe
PID 2328 wrote to memory of 1484	2328	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
"C:\Users\Admin\AppData\Local\Temp\3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:796

C:\Users\Admin\AppData\Local\Temp\3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe
"C:\Users\Admin\AppData\Local\Temp\3158c8b8248fe99ce5fc5c265cb3edf1957dee1508a7241d6c54acd283647ee2.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3236

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TYKIM.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:496

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:3800

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:2328

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:3768

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:1484

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\TYKIM.bat
MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
9a2c8983d5c58f4c0bf216f70168c483

SHA1
87f9086cf40da064d1fd893539947a4a1123f495

SHA256
689b26a87f83b7f845c56171386e34cfa681bb628ca0047eb710d6c79419a429

SHA512
3de1bc360ff48a9aade240427d8faebf219b3065b1d7a071837db5f76635025e621361518a4ffe753c1c6785014c6c760a49a3146ed178810b4475e737fa36b2

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
9a2c8983d5c58f4c0bf216f70168c483

SHA1
87f9086cf40da064d1fd893539947a4a1123f495

SHA256
689b26a87f83b7f845c56171386e34cfa681bb628ca0047eb710d6c79419a429

SHA512
3de1bc360ff48a9aade240427d8faebf219b3065b1d7a071837db5f76635025e621361518a4ffe753c1c6785014c6c760a49a3146ed178810b4475e737fa36b2

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
9a2c8983d5c58f4c0bf216f70168c483

SHA1
87f9086cf40da064d1fd893539947a4a1123f495

SHA256
689b26a87f83b7f845c56171386e34cfa681bb628ca0047eb710d6c79419a429

SHA512
3de1bc360ff48a9aade240427d8faebf219b3065b1d7a071837db5f76635025e621361518a4ffe753c1c6785014c6c760a49a3146ed178810b4475e737fa36b2

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
9a2c8983d5c58f4c0bf216f70168c483

SHA1
87f9086cf40da064d1fd893539947a4a1123f495

SHA256
689b26a87f83b7f845c56171386e34cfa681bb628ca0047eb710d6c79419a429

SHA512
3de1bc360ff48a9aade240427d8faebf219b3065b1d7a071837db5f76635025e621361518a4ffe753c1c6785014c6c760a49a3146ed178810b4475e737fa36b2

Download Submit
memory/496-128-0x0000000000000000-mapping.dmp

Download
memory/796-123-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/796-122-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/796-118-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/796-125-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/796-120-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/796-114-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/796-117-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/1484-140-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1484-141-0x00000000004B5640-mapping.dmp

Download
memory/1484-148-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1484-154-0x0000000000A70000-0x0000000000A93000-memory.dmp

Filesize
140KB

Download
memory/2328-131-0x0000000000000000-mapping.dmp

Download
memory/2328-145-0x0000000000550000-0x00000000005FE000-memory.dmp

Filesize
696KB

Download
memory/2328-146-0x0000000000550000-0x000000000069A000-memory.dmp

Filesize
1.3MB

Download
memory/3236-124-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3236-119-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3236-121-0x00000000004085D0-mapping.dmp

Download
memory/3768-138-0x00000000004085D0-mapping.dmp

Download
memory/3800-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads