darkcomet | 0a5cc31c118393bac53b76f1f719d32b700d25fe45e93535b41e761810e4023a

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19-06-2024 23:53

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General

Target

01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Size

350KB
MD5

01479b8b2e2b3b2786855a6dd80c1dbc
SHA1

7a1af1b34adf0209da21cb028840685df9d9094c
SHA256

0a5cc31c118393bac53b76f1f719d32b700d25fe45e93535b41e761810e4023a
SHA512

83c00d9a2459a6b7a271564cd3181fa277f25253b4401fc0eeb0f7037b32272a030dda7cf9a7c6ded62193a82d32057d98de3f20c35770c7267235c09ba4a032
SSDEEP

6144:ND7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZ9c+QcV9Uy:Nl8E4w5huat7UovONzbXwpcn

Score

10^/10

darkcomet latentbot windowsupdater persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

windowsUpdater

darkcomet30.zapto.org:1604

Mutex

DC_MUTEX-NFZPTPA

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
PgDSDzMMXrJr
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Extracted

Family

latentbot

darkcomet30.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

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\\MSDCSC\\msdcsc.exe"	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3872	msdcsc.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2408-0-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/files/0x000700000002340d-6.dat	upx
behavioral2/memory/2408-15-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-18-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-19-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-21-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-22-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-23-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-24-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-25-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-26-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-27-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-28-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-29-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-30-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-31-0x0000000000400000-0x00000000004EB000-memory.dmp	upx
behavioral2/memory/3872-32-0x0000000000400000-0x00000000004EB000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeSecurityPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeBackupPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeRestorePrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeShutdownPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeDebugPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeUndockPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: 33	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: 34	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: 35	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: 36	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3872	msdcsc.exe
Token: SeSecurityPrivilege	3872	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3872	msdcsc.exe
Token: SeLoadDriverPrivilege	3872	msdcsc.exe
Token: SeSystemProfilePrivilege	3872	msdcsc.exe
Token: SeSystemtimePrivilege	3872	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3872	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3872	msdcsc.exe
Token: SeCreatePagefilePrivilege	3872	msdcsc.exe
Token: SeBackupPrivilege	3872	msdcsc.exe
Token: SeRestorePrivilege	3872	msdcsc.exe
Token: SeShutdownPrivilege	3872	msdcsc.exe
Token: SeDebugPrivilege	3872	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3872	msdcsc.exe
Token: SeChangeNotifyPrivilege	3872	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3872	msdcsc.exe
Token: SeUndockPrivilege	3872	msdcsc.exe
Token: SeManageVolumePrivilege	3872	msdcsc.exe
Token: SeImpersonatePrivilege	3872	msdcsc.exe
Token: SeCreateGlobalPrivilege	3872	msdcsc.exe
Token: 33	3872	msdcsc.exe
Token: 34	3872	msdcsc.exe
Token: 35	3872	msdcsc.exe
Token: 36	3872	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3872	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 3872	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe	84
PID 2408 wrote to memory of 3872	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe	84
PID 2408 wrote to memory of 3872	2408	01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe	84
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85
PID 3872 wrote to memory of 2344	3872	msdcsc.exe	85

C:\Users\Admin\AppData\Local\Temp\01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01479b8b2e2b3b2786855a6dd80c1dbc_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3872
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:2344

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
350KB

MD5
01479b8b2e2b3b2786855a6dd80c1dbc

SHA1
7a1af1b34adf0209da21cb028840685df9d9094c

SHA256
0a5cc31c118393bac53b76f1f719d32b700d25fe45e93535b41e761810e4023a

SHA512
83c00d9a2459a6b7a271564cd3181fa277f25253b4401fc0eeb0f7037b32272a030dda7cf9a7c6ded62193a82d32057d98de3f20c35770c7267235c09ba4a032

Download Submit
memory/2344-17-0x0000000000E30000-0x0000000000E31000-memory.dmp

Filesize
4KB

Download
memory/2408-1-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/2408-15-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/2408-0-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-23-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-25-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-19-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-21-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-22-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-16-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/3872-24-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-18-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-26-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-27-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-28-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-29-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-30-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-31-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/3872-32-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads