darkcomet | 38ceaf9208d380368e905a2eff1361ee6e524c834b9b22271bf2d3fcea26d72d

General

Target

1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Size

361KB
MD5

1685f9f177631069401f9171d815579e
SHA1

5f46cc862021e08f61d631c9a5b659e86c914546
SHA256

38ceaf9208d380368e905a2eff1361ee6e524c834b9b22271bf2d3fcea26d72d
SHA512

0a70bb0b3f657b3c17bb3d612908cc433813c13b0976efe76ca4867128bdea2d9412987b073bc51d49ee0830d550c1a25ebe700fb61ae4f9a8abc3326f0f08b1
SSDEEP

6144:t67ShioBrtySaI0gmaWl9WrfqSwF26F63hOEWzVexj:tAh2Z9aFes9WrfqSwE6o30EWzoxj

Score

10^/10

darkcomet puliferi rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

puliferi

C2

vasile.chickenkiller.com:200

Mutex

DCMIN_MUTEX-VF5VQFR

Attributes

gencode
aivPsBa0lfnD
install
false
offline_keylogger
true
persistence
false

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

1685f9f177631069401f9171d815579e_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	1685f9f177631069401f9171d815579e_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1408-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1408-9-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1408-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1408-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1408-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1408-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1408-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1408-10-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

Processes:

1685f9f177631069401f9171d815579e_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4928 set thread context of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

Processes:

schtasks.exe

pid	Process
1884	schtasks.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

1685f9f177631069401f9171d815579e_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeSecurityPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeBackupPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeRestorePrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeShutdownPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeDebugPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeUndockPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: 33	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: 34	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: 35	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe
Token: 36	1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1685f9f177631069401f9171d815579e_JaffaCakes118.exe

pid	Process
1408	1685f9f177631069401f9171d815579e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1685f9f177631069401f9171d815579e_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4928 wrote to memory of 1884	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	92
PID 4928 wrote to memory of 1884	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	92
PID 4928 wrote to memory of 1884	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	92
PID 4928 wrote to memory of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94
PID 4928 wrote to memory of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94
PID 4928 wrote to memory of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94
PID 4928 wrote to memory of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94
PID 4928 wrote to memory of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94
PID 4928 wrote to memory of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94
PID 4928 wrote to memory of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94
PID 4928 wrote to memory of 1408	4928	1685f9f177631069401f9171d815579e_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\1685f9f177631069401f9171d815579e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1685f9f177631069401f9171d815579e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Update\strtwds" /XML "C:\Users\Admin\AppData\Local\Temp\Stupid.xml"
  2⤵
  - Creates scheduled task(s)
  PID:1884
- C:\Users\Admin\AppData\Local\Temp\1685f9f177631069401f9171d815579e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\1685f9f177631069401f9171d815579e_JaffaCakes118.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Stupid.xml

Filesize
1KB

MD5
411f264cfcb3550ad6db3cad944988e0

SHA1
7a0f122dd4a80b407aebb52072bd55d1f0d318ce

SHA256
fd8bdedc9316e88fe5f89cce1e89101cf49638bbc5bb78bc5daf9cfff120555c

SHA512
11a5899157da586b7d00e2f92026be40a841d1df9894b6661fc46493ca1a3113b4e5462d5f6483d3b090ccad44b0d64a336c03ff15a4e68ab9f3a870535b7f5f

Download Submit
memory/1408-18-0x00000000010D0000-0x00000000010D1000-memory.dmp

Filesize
4KB

Download
memory/1408-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1408-10-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1408-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1408-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1408-9-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1408-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1408-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1408-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4928-0-0x00000000748E2000-0x00000000748E3000-memory.dmp

Filesize
4KB

Download
memory/4928-2-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/4928-17-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/4928-1-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/4928-7-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads