darkcomet | cb7e5589e90aa9bfb5fc80d5d6f9eb284b471f7981bc54192df466b1a687eca4

General

Target

Steam Game ADDER.exe
Size

1006KB
MD5

4e815593f9386328e40ac7e7cc15c345
SHA1

21912cfdce6013d90efd54e5e90929d00df5a701
SHA256

174f2e1b5cace1731f1d8ac0e991e340498f4ad68dbc7b16a4ceb7ce7b2ead9e
SHA512

3eae72b62108f75a8b9a82d81463323482218726bf658412ecdab5e4334be44142001824b7cf6b10618147c33af9d8e1dbb1fa483e1e6116c7438a5bab496d39
SSDEEP

12288:utPhthkJeWix0eaQzQK6yNwFeX+Gsp2NoAkjJuDh3WUdrAVNQDJ/tt2:cQeWR6NwEXA2NoAkahdrAVNQt/tE

Score

10^/10

darkcomet guest16 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

achlys.serveblog.net:9431

Mutex

DC_MUTEX-2968FX2

Attributes

gencode
jWVVRsyYt9LN
install
false
offline_keylogger
true
password
ajejas
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vbc = "C:\\Users\\Admin\\AppData\\Roaming\\vbc.exe"	Steam Game ADDER.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4476 set thread context of 2784	4476	Steam Game ADDER.exe	82

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2784-3-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-4-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-5-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-7-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-9-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-10-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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	Steam Game ADDER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2784	vbc.exe
Token: SeSecurityPrivilege	2784	vbc.exe
Token: SeTakeOwnershipPrivilege	2784	vbc.exe
Token: SeLoadDriverPrivilege	2784	vbc.exe
Token: SeSystemProfilePrivilege	2784	vbc.exe
Token: SeSystemtimePrivilege	2784	vbc.exe
Token: SeProfSingleProcessPrivilege	2784	vbc.exe
Token: SeIncBasePriorityPrivilege	2784	vbc.exe
Token: SeCreatePagefilePrivilege	2784	vbc.exe
Token: SeBackupPrivilege	2784	vbc.exe
Token: SeRestorePrivilege	2784	vbc.exe
Token: SeShutdownPrivilege	2784	vbc.exe
Token: SeDebugPrivilege	2784	vbc.exe
Token: SeSystemEnvironmentPrivilege	2784	vbc.exe
Token: SeChangeNotifyPrivilege	2784	vbc.exe
Token: SeRemoteShutdownPrivilege	2784	vbc.exe
Token: SeUndockPrivilege	2784	vbc.exe
Token: SeManageVolumePrivilege	2784	vbc.exe
Token: SeImpersonatePrivilege	2784	vbc.exe
Token: SeCreateGlobalPrivilege	2784	vbc.exe
Token: 33	2784	vbc.exe
Token: 34	2784	vbc.exe
Token: 35	2784	vbc.exe
Token: 36	2784	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2784	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 2784	4476	Steam Game ADDER.exe	82
PID 4476 wrote to memory of 2784	4476	Steam Game ADDER.exe	82
PID 4476 wrote to memory of 2784	4476	Steam Game ADDER.exe	82
PID 4476 wrote to memory of 2784	4476	Steam Game ADDER.exe	82
PID 4476 wrote to memory of 2784	4476	Steam Game ADDER.exe	82
PID 4476 wrote to memory of 2784	4476	Steam Game ADDER.exe	82
PID 4476 wrote to memory of 2784	4476	Steam Game ADDER.exe	82
PID 4476 wrote to memory of 2784	4476	Steam Game ADDER.exe	82

C:\Users\Admin\AppData\Local\Temp\Steam Game ADDER.exe
"C:\Users\Admin\AppData\Local\Temp\Steam Game ADDER.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4476
- 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:2784

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/2784-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-4-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-3-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-5-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-9-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-10-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4476-13-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4476-1-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4476-2-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4476-0-0x0000000074C72000-0x0000000074C73000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads