darkcomet | 12682e378ed4d01eb7abb0b0f0e38432e5884cb56b8bbd155847a0fd37905ff8

General

Target

JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe
Size

1.1MB
MD5

f89be3019aa47cf5926062d8fa4227fb
SHA1

1db9004df6556dff405aabed9365bbbe5f052dcc
SHA256

12682e378ed4d01eb7abb0b0f0e38432e5884cb56b8bbd155847a0fd37905ff8
SHA512

5b4fc70e8fe21db5eb5b8a2585bde02e3683b89e4c5f4e482f970ca6c5f2f48865787d47eaa411713923ee32105d4d8851af9e01e37b5d5405e5ce8b8dd4e2f8
SSDEEP

24576:4fHK4ne0H220E81P/RQmKEhQSt+TrLQse4xoQQZnt1:GXl3eb1g1CQQ

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

C2

92.73.139.121:3460

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
pztcM=zPEjyK
install
true
offline_keylogger
true
password
warrock123
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
61	4508	Process not Found

Executes dropped EXE 1 IoCs

pid	Process
1808	vbc.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-1-5-21-2656314083-4170277356-267438488-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe"	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 856 set thread context of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89

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_f89be3019aa47cf5926062d8fa4227fb.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
1632	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1808	vbc.exe
Token: SeSecurityPrivilege	1808	vbc.exe
Token: SeTakeOwnershipPrivilege	1808	vbc.exe
Token: SeLoadDriverPrivilege	1808	vbc.exe
Token: SeSystemProfilePrivilege	1808	vbc.exe
Token: SeSystemtimePrivilege	1808	vbc.exe
Token: SeProfSingleProcessPrivilege	1808	vbc.exe
Token: SeIncBasePriorityPrivilege	1808	vbc.exe
Token: SeCreatePagefilePrivilege	1808	vbc.exe
Token: SeBackupPrivilege	1808	vbc.exe
Token: SeRestorePrivilege	1808	vbc.exe
Token: SeShutdownPrivilege	1808	vbc.exe
Token: SeDebugPrivilege	1808	vbc.exe
Token: SeSystemEnvironmentPrivilege	1808	vbc.exe
Token: SeChangeNotifyPrivilege	1808	vbc.exe
Token: SeRemoteShutdownPrivilege	1808	vbc.exe
Token: SeUndockPrivilege	1808	vbc.exe
Token: SeManageVolumePrivilege	1808	vbc.exe
Token: SeImpersonatePrivilege	1808	vbc.exe
Token: SeCreateGlobalPrivilege	1808	vbc.exe
Token: 33	1808	vbc.exe
Token: 34	1808	vbc.exe
Token: 35	1808	vbc.exe
Token: 36	1808	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89
PID 856 wrote to memory of 1808	856	JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f89be3019aa47cf5926062d8fa4227fb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:856
- 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:1808

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mjg4Mjk5MzYxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1632

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/856-18-0x0000000074210000-0x00000000747C1000-memory.dmp

Filesize
5.7MB

Download
memory/856-1-0x0000000074210000-0x00000000747C1000-memory.dmp

Filesize
5.7MB

Download
memory/856-2-0x0000000074210000-0x00000000747C1000-memory.dmp

Filesize
5.7MB

Download
memory/856-0-0x0000000074212000-0x0000000074213000-memory.dmp

Filesize
4KB

Download
memory/1808-20-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/1808-21-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-14-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-15-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/1808-17-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-16-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-10-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-7-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-19-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-12-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-22-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-23-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-24-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-26-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-27-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-29-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-30-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-33-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1808-34-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads