darkcomet | bd1a81e8a0505d314e1b2fa261db9ff554a76c4c783b863c8e6694bd6a2521fb

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 22:50

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General

Target

JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Size

232KB
MD5

68b1ba65d78fa7a547fe1eb195560b30
SHA1

b2924db0b90a7cd1357ab37c011b0650f7cf6885
SHA256

bd1a81e8a0505d314e1b2fa261db9ff554a76c4c783b863c8e6694bd6a2521fb
SHA512

b6ee89144500df4a6d0a9961338fe91ab4a42bf14d61d6aad2faf9574b991feec3554c5b425a00c27bc343af7f30789a695d35d0aa6a8459e6488f0a3322cb5a
SSDEEP

6144:3jFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMEoS:zFy9bPQZlFjrG0ZmYbwVoS

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

127.0.0.1:1604

Mutex

DCMIN_MUTEX-3W8LA5W

Attributes

InstallPath
DCSCMIN\Ixcdfsf.exe
gencode
ASYwHtlVyVXN
install
true
offline_keylogger
true
persistence
false
reg_key
mgfhnfgh

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\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\Ixcdfsf.exe"	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe

Executes dropped EXE 1 IoCs

pid	Process
2532	Ixcdfsf.exe

Loads dropped DLL 2 IoCs

pid	Process
2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\mgfhnfgh = "C:\\Users\\Admin\\Documents\\DCSCMIN\\Ixcdfsf.exe"	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2536-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/files/0x000700000001925c-4.dat	upx
behavioral1/memory/2536-10-0x0000000003730000-0x00000000037E7000-memory.dmp	upx
behavioral1/memory/2532-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2536-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2532-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2532-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2532-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2532-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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 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_68b1ba65d78fa7a547fe1eb195560b30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ixcdfsf.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeSecurityPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeTakeOwnershipPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeLoadDriverPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeSystemProfilePrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeSystemtimePrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeProfSingleProcessPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeIncBasePriorityPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeCreatePagefilePrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeBackupPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeRestorePrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeShutdownPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeDebugPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeSystemEnvironmentPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeChangeNotifyPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeRemoteShutdownPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeUndockPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeManageVolumePrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeImpersonatePrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeCreateGlobalPrivilege	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: 33	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: 34	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: 35	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
Token: SeIncreaseQuotaPrivilege	2532	Ixcdfsf.exe
Token: SeSecurityPrivilege	2532	Ixcdfsf.exe
Token: SeTakeOwnershipPrivilege	2532	Ixcdfsf.exe
Token: SeLoadDriverPrivilege	2532	Ixcdfsf.exe
Token: SeSystemProfilePrivilege	2532	Ixcdfsf.exe
Token: SeSystemtimePrivilege	2532	Ixcdfsf.exe
Token: SeProfSingleProcessPrivilege	2532	Ixcdfsf.exe
Token: SeIncBasePriorityPrivilege	2532	Ixcdfsf.exe
Token: SeCreatePagefilePrivilege	2532	Ixcdfsf.exe
Token: SeBackupPrivilege	2532	Ixcdfsf.exe
Token: SeRestorePrivilege	2532	Ixcdfsf.exe
Token: SeShutdownPrivilege	2532	Ixcdfsf.exe
Token: SeDebugPrivilege	2532	Ixcdfsf.exe
Token: SeSystemEnvironmentPrivilege	2532	Ixcdfsf.exe
Token: SeChangeNotifyPrivilege	2532	Ixcdfsf.exe
Token: SeRemoteShutdownPrivilege	2532	Ixcdfsf.exe
Token: SeUndockPrivilege	2532	Ixcdfsf.exe
Token: SeManageVolumePrivilege	2532	Ixcdfsf.exe
Token: SeImpersonatePrivilege	2532	Ixcdfsf.exe
Token: SeCreateGlobalPrivilege	2532	Ixcdfsf.exe
Token: 33	2532	Ixcdfsf.exe
Token: 34	2532	Ixcdfsf.exe
Token: 35	2532	Ixcdfsf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2532	Ixcdfsf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2532	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe	30
PID 2536 wrote to memory of 2532	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe	30
PID 2536 wrote to memory of 2532	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe	30
PID 2536 wrote to memory of 2532	2536	JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b1ba65d78fa7a547fe1eb195560b30.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\Documents\DCSCMIN\Ixcdfsf.exe
  "C:\Users\Admin\Documents\DCSCMIN\Ixcdfsf.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\Documents\DCSCMIN\Ixcdfsf.exe

Filesize
232KB

MD5
68b1ba65d78fa7a547fe1eb195560b30

SHA1
b2924db0b90a7cd1357ab37c011b0650f7cf6885

SHA256
bd1a81e8a0505d314e1b2fa261db9ff554a76c4c783b863c8e6694bd6a2521fb

SHA512
b6ee89144500df4a6d0a9961338fe91ab4a42bf14d61d6aad2faf9574b991feec3554c5b425a00c27bc343af7f30789a695d35d0aa6a8459e6488f0a3322cb5a

Download Submit
memory/2532-19-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2532-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2532-14-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2532-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2532-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2532-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2532-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2536-1-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2536-10-0x0000000003730000-0x00000000037E7000-memory.dmp

Filesize
732KB

Download
memory/2536-11-0x0000000003730000-0x00000000037E7000-memory.dmp

Filesize
732KB

Download
memory/2536-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2536-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads