darkcomet | 9a8d9acaad5491f3bace47f75de44fcec18d966d9224c0c33b092de9f5ac5180

General

Target
24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Size 251KB
Sample240508-nt8tvaag2x
SHA256 9a8d9acaad5491f3bace47f75de44fcec18d966d9224c0c33b092de9f5ac5180
MD5 24b1352f5a83c1a4312d9f5107ab4c49
SHA1 e7748fbc5d762ca129f1c5d5a63d12ef0bbe479f
SHA512 7595b8f840f587e53509e0f7127e5de48f0351ddacc38affbc92f1918e5b816fd83394bb6db8c13f387c768845e9ce7288610d183fd63953956573979a981ff7
SSDEEP 6144:JcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:JcWkbgTYWnYnt/IDYhP
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 evasion rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-XBAVWJC

Attributes

gencode
ZfsZ1D19rBuA
install
false
offline_keylogger
true
persistence
false

Signatures

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

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2768-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeSecurityPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeBackupPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeRestorePrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeShutdownPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeDebugPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeUndockPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: 33	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: 34	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
Token: 35	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28
PID 2768 wrote to memory of 2240	2768	24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Disables RegEdit via registry modification
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2240-2-0x0000000000080000-0x0000000000081000-memory.dmp

Download

memory/2240-27-0x0000000000280000-0x0000000000281000-memory.dmp

Download

memory/2768-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

memory/2768-1-0x0000000000240000-0x0000000000241000-memory.dmp

Download

memory/2768-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

memory/2768-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

memory/2768-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

memory/2768-31-0x0000000000240000-0x0000000000241000-memory.dmp

Download

memory/2768-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

memory/2768-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

memory/2768-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

memory/2768-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

memory/2768-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads