darkcomet | be38cb3c0c4e26338bcc25159f502d2931808a2e316acc0717afdc7d0f4ad3cd

General

Target

5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe
Size

1.4MB
MD5

5aaa757bb1158c535dc9d0dc2ceb5c6e
SHA1

64d6a07b83fea91ff896d385bbadc71e7329200b
SHA256

be38cb3c0c4e26338bcc25159f502d2931808a2e316acc0717afdc7d0f4ad3cd
SHA512

621786e5ed3d50aee265b0af25e34999a1c12fc286bf56f4ef6f9104815dce934203a5a4f91d70a2b6e2e19b0b661ace176f0a53d066a556a2ba1c6b3418e039
SSDEEP

24576:ZYOYRzRTPDDP1G20kJ795e2Jc5eJ0dpnMiQi6U6lCTQvzR5:mldTPDFspnBHOOQbR5

Score

10^/10

darkcomet urge discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

urge

C2

me.codeunix.net:8443

Mutex

DCMIN_MUTEX-56DZ3GP

Attributes

gencode
6JzvfhV2X1iq
install
false
offline_keylogger
true
persistence
false

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1116	firefox.exe
1792	svchost.exe

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GoogleUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GoogleUpdate\\GoogleUpdate.exe"	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	firefox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1792	svchost.exe
Token: SeSecurityPrivilege	1792	svchost.exe
Token: SeTakeOwnershipPrivilege	1792	svchost.exe
Token: SeLoadDriverPrivilege	1792	svchost.exe
Token: SeSystemProfilePrivilege	1792	svchost.exe
Token: SeSystemtimePrivilege	1792	svchost.exe
Token: SeProfSingleProcessPrivilege	1792	svchost.exe
Token: SeIncBasePriorityPrivilege	1792	svchost.exe
Token: SeCreatePagefilePrivilege	1792	svchost.exe
Token: SeBackupPrivilege	1792	svchost.exe
Token: SeRestorePrivilege	1792	svchost.exe
Token: SeShutdownPrivilege	1792	svchost.exe
Token: SeDebugPrivilege	1792	svchost.exe
Token: SeSystemEnvironmentPrivilege	1792	svchost.exe
Token: SeChangeNotifyPrivilege	1792	svchost.exe
Token: SeRemoteShutdownPrivilege	1792	svchost.exe
Token: SeUndockPrivilege	1792	svchost.exe
Token: SeManageVolumePrivilege	1792	svchost.exe
Token: SeImpersonatePrivilege	1792	svchost.exe
Token: SeCreateGlobalPrivilege	1792	svchost.exe
Token: 33	1792	svchost.exe
Token: 34	1792	svchost.exe
Token: 35	1792	svchost.exe
Token: 36	1792	svchost.exe
Token: SeDebugPrivilege	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1792	svchost.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 1116	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	88
PID 2700 wrote to memory of 1116	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	88
PID 2700 wrote to memory of 1116	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	88
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89
PID 2700 wrote to memory of 1792	2700	5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5aaa757bb1158c535dc9d0dc2ceb5c6e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\firefox.exe
  "C:\Users\Admin\AppData\Local\Temp\firefox.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1116
- C:\Users\Admin\AppData\Local\Temp\AppLunch\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\AppLunch\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AppLunch\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\firefox.exe

Filesize
898KB

MD5
c8d28f8b498cadbb9445ac4545bd41b7

SHA1
b0efe230c29e5545b73dcc6dea472b7725353812

SHA256
fb013cbcbfe22507dc4bbbc60267f5c28c749dfc04b6808c9870588ec816521d

SHA512
69d38dab476f552db08683038db9934601c7aed45602499cec02ca899d1779d8e14c831e3fff2a05b88690f327b65231cc7c907a9a3b24148d7ffe23dcfe060d

Download Submit
memory/1792-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-28-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/1792-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1792-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-1-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/2700-2-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/2700-32-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/2700-31-0x00000000750E2000-0x00000000750E3000-memory.dmp

Filesize
4KB

Download
memory/2700-0-0x00000000750E2000-0x00000000750E3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads