darkcomet | 3c3198446c989c517a7387cd9d9f868ede5dfb4c4098881aa444405c8e67b3f6

General

Target

JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe
Size

407KB
MD5

82a65e3374066555d9a0ecce5431721d
SHA1

29e560ec9ca2d847d6e6a5bc940c664b056cecec
SHA256

3c3198446c989c517a7387cd9d9f868ede5dfb4c4098881aa444405c8e67b3f6
SHA512

f24ad1edbda2bf84426585a02e6b32241d80b382fe33c83909c5dcd3144c3d51bd55c93054a0b64dffc0b7d7082d7fbc9000febbaaf39efdf6e02bfe06684bd2
SSDEEP

6144:O/Ves7rzZb2SBdtm8+UpP820kN5V3cTFIFBEB81OAG4ky/Ck2X5z0f4RFjf:+J7r9b7BdAmp8cN5V3vXNhky/uXdwA

Score

10^/10

darkcomet psc discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PSC

C2

sgt-strik3r.no-ip.org:64289

Mutex

5VHXCUS8

Attributes

gencode
cch6RD8glo9u
install
false
offline_keylogger
false
password
D7ydFYnSq
persistence
false

rc4.plain

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1500-3-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-5-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-7-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-9-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-10-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1500-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1500	cvtres.exe
Token: SeSecurityPrivilege	1500	cvtres.exe
Token: SeTakeOwnershipPrivilege	1500	cvtres.exe
Token: SeLoadDriverPrivilege	1500	cvtres.exe
Token: SeSystemProfilePrivilege	1500	cvtres.exe
Token: SeSystemtimePrivilege	1500	cvtres.exe
Token: SeProfSingleProcessPrivilege	1500	cvtres.exe
Token: SeIncBasePriorityPrivilege	1500	cvtres.exe
Token: SeCreatePagefilePrivilege	1500	cvtres.exe
Token: SeBackupPrivilege	1500	cvtres.exe
Token: SeRestorePrivilege	1500	cvtres.exe
Token: SeShutdownPrivilege	1500	cvtres.exe
Token: SeDebugPrivilege	1500	cvtres.exe
Token: SeSystemEnvironmentPrivilege	1500	cvtres.exe
Token: SeChangeNotifyPrivilege	1500	cvtres.exe
Token: SeRemoteShutdownPrivilege	1500	cvtres.exe
Token: SeUndockPrivilege	1500	cvtres.exe
Token: SeManageVolumePrivilege	1500	cvtres.exe
Token: SeImpersonatePrivilege	1500	cvtres.exe
Token: SeCreateGlobalPrivilege	1500	cvtres.exe
Token: 33	1500	cvtres.exe
Token: 34	1500	cvtres.exe
Token: 35	1500	cvtres.exe
Token: 36	1500	cvtres.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87
PID 4828 wrote to memory of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87
PID 4828 wrote to memory of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87
PID 4828 wrote to memory of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87
PID 4828 wrote to memory of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87
PID 4828 wrote to memory of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87
PID 4828 wrote to memory of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87
PID 4828 wrote to memory of 1500	4828	JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82a65e3374066555d9a0ecce5431721d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1500-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-3-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-5-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-9-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-10-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1500-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4828-0-0x0000000074932000-0x0000000074933000-memory.dmp

Filesize
4KB

Download
memory/4828-8-0x0000000074930000-0x0000000074EE1000-memory.dmp

Filesize
5.7MB

Download
memory/4828-1-0x0000000074930000-0x0000000074EE1000-memory.dmp

Filesize
5.7MB

Download
memory/4828-2-0x0000000074930000-0x0000000074EE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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