darkcomet | 4030d0a18b64320b4a493afefa4772f172e8f654e2960f864e39724d8ca2b661

General

Target

JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe
Size

1.3MB
MD5

92e190d4b47da1654778468a6ab62611
SHA1

99a796681125b911cdf553cb92287fb019a138b0
SHA256

4030d0a18b64320b4a493afefa4772f172e8f654e2960f864e39724d8ca2b661
SHA512

05e7c60f06c5e43f21d5b50d2bdde858085e0206fe0e8e9214f3232cdee2b57c9215c8ea493dce15a1a4a2d912193e210c6432b9303c9b555df35ceccd17dd34
SSDEEP

24576:aNc62R6So4c+L7Vx5UZek5mK46eCTLQazuoMavqxvfk:a6wWdoN8K461EV

Score

10^/10

darkcomet victim discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Extracted

Family

darkcomet

Botnet

Victim

C2

eelghali.no-ip.biz:100

Mutex

DC_MUTEX-RSUKSVB

Attributes

gencode
Qi6Ae9AkhZlx
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe, C:\\Users\\Admin\\AppData\\Roaming\\WinApps\\WinApps.exe"	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88

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_92e190d4b47da1654778468a6ab62611.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe
Token: SeIncreaseQuotaPrivilege	2256	vbc.exe
Token: SeSecurityPrivilege	2256	vbc.exe
Token: SeTakeOwnershipPrivilege	2256	vbc.exe
Token: SeLoadDriverPrivilege	2256	vbc.exe
Token: SeSystemProfilePrivilege	2256	vbc.exe
Token: SeSystemtimePrivilege	2256	vbc.exe
Token: SeProfSingleProcessPrivilege	2256	vbc.exe
Token: SeIncBasePriorityPrivilege	2256	vbc.exe
Token: SeCreatePagefilePrivilege	2256	vbc.exe
Token: SeBackupPrivilege	2256	vbc.exe
Token: SeRestorePrivilege	2256	vbc.exe
Token: SeShutdownPrivilege	2256	vbc.exe
Token: SeDebugPrivilege	2256	vbc.exe
Token: SeSystemEnvironmentPrivilege	2256	vbc.exe
Token: SeChangeNotifyPrivilege	2256	vbc.exe
Token: SeRemoteShutdownPrivilege	2256	vbc.exe
Token: SeUndockPrivilege	2256	vbc.exe
Token: SeManageVolumePrivilege	2256	vbc.exe
Token: SeImpersonatePrivilege	2256	vbc.exe
Token: SeCreateGlobalPrivilege	2256	vbc.exe
Token: 33	2256	vbc.exe
Token: 34	2256	vbc.exe
Token: 35	2256	vbc.exe
Token: 36	2256	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2256	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88
PID 4828 wrote to memory of 2256	4828	JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92e190d4b47da1654778468a6ab62611.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828
- 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:2256

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

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

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/2256-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/4828-1-0x0000000000030000-0x000000000017A000-memory.dmp

Filesize
1.3MB

Download
memory/4828-16-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4828-4-0x0000000005800000-0x000000000580E000-memory.dmp

Filesize
56KB

Download
memory/4828-5-0x0000000005A30000-0x0000000005AE2000-memory.dmp

Filesize
712KB

Download
memory/4828-3-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4828-2-0x0000000005810000-0x00000000058AC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads