darkcomet | a03ed2e4608c412a0e5e55fe8c1c183d30ae68f0c38d308b08ca1d281e420579

General

Target

JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe
Size

935KB
MD5

ee17ff2b161b3fd97d6c0695c9a6d39b
SHA1

9fd8bc5cb44278b2aecfc388e395c422940fc372
SHA256

a03ed2e4608c412a0e5e55fe8c1c183d30ae68f0c38d308b08ca1d281e420579
SHA512

f131e62db8037fcab9d3199fb78f159197421d20eec5f025511834ce88f81921a5dc623038bd4e76de6688dd2c90df41d2f4304ff559449e66eb24e6df46d567
SSDEEP

24576:JaCfioL30iOp8TYcy5UkgSIdLbB9CUftwmh:Ja7x6Y4Xnf

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

Cyberjack.zapto.org:8499

Mutex

DC_MUTEX-GXPHC9R

Attributes

gencode
mYALyv$7+h*F
install
false
offline_keylogger
false
persistence
false

rc4.plain

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2768	vbc.exe

Loads dropped DLL 1 IoCs

pid	Process
2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe"	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.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	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2768	vbc.exe
Token: SeSecurityPrivilege	2768	vbc.exe
Token: SeTakeOwnershipPrivilege	2768	vbc.exe
Token: SeLoadDriverPrivilege	2768	vbc.exe
Token: SeSystemProfilePrivilege	2768	vbc.exe
Token: SeSystemtimePrivilege	2768	vbc.exe
Token: SeProfSingleProcessPrivilege	2768	vbc.exe
Token: SeIncBasePriorityPrivilege	2768	vbc.exe
Token: SeCreatePagefilePrivilege	2768	vbc.exe
Token: SeBackupPrivilege	2768	vbc.exe
Token: SeRestorePrivilege	2768	vbc.exe
Token: SeShutdownPrivilege	2768	vbc.exe
Token: SeDebugPrivilege	2768	vbc.exe
Token: SeSystemEnvironmentPrivilege	2768	vbc.exe
Token: SeChangeNotifyPrivilege	2768	vbc.exe
Token: SeRemoteShutdownPrivilege	2768	vbc.exe
Token: SeUndockPrivilege	2768	vbc.exe
Token: SeManageVolumePrivilege	2768	vbc.exe
Token: SeImpersonatePrivilege	2768	vbc.exe
Token: SeCreateGlobalPrivilege	2768	vbc.exe
Token: 33	2768	vbc.exe
Token: 34	2768	vbc.exe
Token: 35	2768	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30
PID 2804 wrote to memory of 2768	2804	JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee17ff2b161b3fd97d6c0695c9a6d39b.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2768

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

\Users\Admin\AppData\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2768-19-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-39-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-42-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-9-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-30-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-41-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-33-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-32-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-29-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-27-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-17-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-40-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-21-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-24-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-15-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-13-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-11-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-35-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-36-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-34-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-37-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2768-38-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2804-2-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2804-0-0x0000000074FC1000-0x0000000074FC2000-memory.dmp

Filesize
4KB

Download
memory/2804-31-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2804-1-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads