darkcomet | 2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0ac

General

Target

JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe
Size

282KB
MD5

f187ed4f766f4e8529ded7c305b260e0
SHA1

1e5cf286d066697212b694310a99c9b3d684c904
SHA256

2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0ac
SHA512

7a95ccd4a4617f3081580fcf9db6fa06bb949a12e1178bfe1a16873897df9a5e27c65f0a70623eee85baa0dffec8e6bafe52dd3770a656e448821e2a5d176b91
SSDEEP

6144:Q7DuIRToyeNNkwLq/oCjEqfZgDQJa342ERAiU8AIHHA+:kTo1ZqfjEGZiMRAiU+HA

Score

10^/10

darkcomet rs discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

RS

C2

hoszelaar.no-ip.org:10101

Mutex

DC_MUTEX-X4K5D3S

Attributes

gencode
NKcVDHlXwyol
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
75	2244	Process not Found

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-1-5-21-2508704002-2325818048-3575902788-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wintaskmgr = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wintaskmgr.exe"	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2344 set thread context of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1236-4-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-6-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-8-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-9-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-13-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-12-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-11-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-15-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-16-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-17-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-18-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-19-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-20-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-23-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-26-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-28-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-30-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-31-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1236-32-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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_f187ed4f766f4e8529ded7c305b260e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2064	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1236	vbc.exe
Token: SeSecurityPrivilege	1236	vbc.exe
Token: SeTakeOwnershipPrivilege	1236	vbc.exe
Token: SeLoadDriverPrivilege	1236	vbc.exe
Token: SeSystemProfilePrivilege	1236	vbc.exe
Token: SeSystemtimePrivilege	1236	vbc.exe
Token: SeProfSingleProcessPrivilege	1236	vbc.exe
Token: SeIncBasePriorityPrivilege	1236	vbc.exe
Token: SeCreatePagefilePrivilege	1236	vbc.exe
Token: SeBackupPrivilege	1236	vbc.exe
Token: SeRestorePrivilege	1236	vbc.exe
Token: SeShutdownPrivilege	1236	vbc.exe
Token: SeDebugPrivilege	1236	vbc.exe
Token: SeSystemEnvironmentPrivilege	1236	vbc.exe
Token: SeChangeNotifyPrivilege	1236	vbc.exe
Token: SeRemoteShutdownPrivilege	1236	vbc.exe
Token: SeUndockPrivilege	1236	vbc.exe
Token: SeManageVolumePrivilege	1236	vbc.exe
Token: SeImpersonatePrivilege	1236	vbc.exe
Token: SeCreateGlobalPrivilege	1236	vbc.exe
Token: 33	1236	vbc.exe
Token: 34	1236	vbc.exe
Token: 35	1236	vbc.exe
Token: 36	1236	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1236	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87
PID 2344 wrote to memory of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87
PID 2344 wrote to memory of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87
PID 2344 wrote to memory of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87
PID 2344 wrote to memory of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87
PID 2344 wrote to memory of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87
PID 2344 wrote to memory of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87
PID 2344 wrote to memory of 1236	2344	JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f187ed4f766f4e8529ded7c305b260e0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344
- 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:1236

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NTUzNDgxOTcyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2064

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1236-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-32-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-4-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-6-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-8-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-31-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-30-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-0-0x0000000073C92000-0x0000000073C93000-memory.dmp

Filesize
4KB

Download
memory/2344-1-0x0000000073C90000-0x0000000074241000-memory.dmp

Filesize
5.7MB

Download
memory/2344-14-0x0000000073C90000-0x0000000074241000-memory.dmp

Filesize
5.7MB

Download
memory/2344-2-0x0000000073C90000-0x0000000074241000-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