darkcomet | e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6

General

Target

e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe
Size

1.1MB
MD5

d9fcc74bb7aa5722fe2362e491ab01b8
SHA1

88229d7385b1e0d9a36ae7bbd93be22dcf4b8a78
SHA256

e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6
SHA512

a86e4ce6127bc154e82cbb6086a355f012e3b413715b51575d32ed3b5141d0cb9c8bb06c4a85b8bde7ee0555733914c585fd112a0c6da1e56101f3be0c859788
SSDEEP

12288:gdg6sr/hYhKsaI4CtddddI6WHDIlXUOOuZpQxV2Y7UXdVFpcCWHwHg6iTN9Xvu4T:wSvGoFdmaqX1Dks/BO7OQcr0EPjCP6

Score

10^/10

darkcomet persistence rat trojan

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1324	svchost.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\AVG.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\AVG.exe"	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1388 set thread context of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	svchost.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe
Token: SeIncreaseQuotaPrivilege	1324	svchost.exe
Token: SeSecurityPrivilege	1324	svchost.exe
Token: SeTakeOwnershipPrivilege	1324	svchost.exe
Token: SeLoadDriverPrivilege	1324	svchost.exe
Token: SeSystemProfilePrivilege	1324	svchost.exe
Token: SeSystemtimePrivilege	1324	svchost.exe
Token: SeProfSingleProcessPrivilege	1324	svchost.exe
Token: SeIncBasePriorityPrivilege	1324	svchost.exe
Token: SeCreatePagefilePrivilege	1324	svchost.exe
Token: SeBackupPrivilege	1324	svchost.exe
Token: SeRestorePrivilege	1324	svchost.exe
Token: SeShutdownPrivilege	1324	svchost.exe
Token: SeDebugPrivilege	1324	svchost.exe
Token: SeSystemEnvironmentPrivilege	1324	svchost.exe
Token: SeChangeNotifyPrivilege	1324	svchost.exe
Token: SeRemoteShutdownPrivilege	1324	svchost.exe
Token: SeUndockPrivilege	1324	svchost.exe
Token: SeManageVolumePrivilege	1324	svchost.exe
Token: SeImpersonatePrivilege	1324	svchost.exe
Token: SeCreateGlobalPrivilege	1324	svchost.exe
Token: 33	1324	svchost.exe
Token: 34	1324	svchost.exe
Token: 35	1324	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26
PID 1388 wrote to memory of 1324	1388	e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe	26

C:\Users\Admin\AppData\Local\Temp\e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe
"C:\Users\Admin\AppData\Local\Temp\e2c3d8e66ea60fe9909092f330ec48a6522c0991fdca5349e4d0bb1c976143f6.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:1324

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

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1324-58-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-78-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-60-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-66-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-64-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-67-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-62-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-69-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-57-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-77-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-70-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-73-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1324-76-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-74-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/1388-55-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/1388-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads