darkcomet | d5ad3121adfce989a111f0fa0c5b2061665f1ac6a8aaa262a8686a678ab1aa14

General

Target

f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe
Size

732KB
MD5

f37d8671581ece41d0a14f8ff5b670ab
SHA1

8cfb4a0a8f32fcf5f549a8c8c171e4434082aa81
SHA256

d5ad3121adfce989a111f0fa0c5b2061665f1ac6a8aaa262a8686a678ab1aa14
SHA512

052dc76618911f3d4184d2fbac79f8959f4b57d6ecd36f1e07824695b53feffcc292fa3f4f937d1bd6f7afd5de7263021cf68c1f10d836276d646d45bef363b3
SSDEEP

12288:66SB0hewsAXAqck0X1yv0I5Z0LaTAeLfofyQa4m3PZp2pxE0d:6nKhewNAzkS1yMAlA6ump2pj

Score

10^/10

darkcomet server discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

server

C2

r20xbrah.no-ip.biz:3075

Mutex

DC_MUTEX-EQDCTK5

Attributes

gencode
6dWMaQ1DapAS
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\java = "C:\\Users\\Admin\\AppData\\Local\\Temp\\java.exe"	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30

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	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2660	vbc.exe
Token: SeSecurityPrivilege	2660	vbc.exe
Token: SeTakeOwnershipPrivilege	2660	vbc.exe
Token: SeLoadDriverPrivilege	2660	vbc.exe
Token: SeSystemProfilePrivilege	2660	vbc.exe
Token: SeSystemtimePrivilege	2660	vbc.exe
Token: SeProfSingleProcessPrivilege	2660	vbc.exe
Token: SeIncBasePriorityPrivilege	2660	vbc.exe
Token: SeCreatePagefilePrivilege	2660	vbc.exe
Token: SeBackupPrivilege	2660	vbc.exe
Token: SeRestorePrivilege	2660	vbc.exe
Token: SeShutdownPrivilege	2660	vbc.exe
Token: SeDebugPrivilege	2660	vbc.exe
Token: SeSystemEnvironmentPrivilege	2660	vbc.exe
Token: SeChangeNotifyPrivilege	2660	vbc.exe
Token: SeRemoteShutdownPrivilege	2660	vbc.exe
Token: SeUndockPrivilege	2660	vbc.exe
Token: SeManageVolumePrivilege	2660	vbc.exe
Token: SeImpersonatePrivilege	2660	vbc.exe
Token: SeCreateGlobalPrivilege	2660	vbc.exe
Token: 33	2660	vbc.exe
Token: 34	2660	vbc.exe
Token: 35	2660	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2660	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2660	2124	f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f37d8671581ece41d0a14f8ff5b670ab_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2124-0-0x0000000074F51000-0x0000000074F52000-memory.dmp

Filesize
4KB

Download
memory/2124-1-0x0000000074F50000-0x00000000754FB000-memory.dmp

Filesize
5.7MB

Download
memory/2124-2-0x0000000074F50000-0x00000000754FB000-memory.dmp

Filesize
5.7MB

Download
memory/2124-4-0x0000000074F50000-0x00000000754FB000-memory.dmp

Filesize
5.7MB

Download
memory/2124-27-0x0000000074F50000-0x00000000754FB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-28-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2660-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2660-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads