darkcomet | ea2339a4c8f45bcfd1cc45e66c7b4f1322ead21bb646db3d78f64ecae0b35b6f

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 01:24

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General

Target

JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe
Size

6.9MB
MD5

696231cda2fc5e0de11c3e501e7946bf
SHA1

2a8112d59aacac3217b730c94aeb95b05a6e3827
SHA256

ea2339a4c8f45bcfd1cc45e66c7b4f1322ead21bb646db3d78f64ecae0b35b6f
SHA512

26adf9988194a6915e6873c971de9ec65e635ed70a3cf587d240b4223f9e603abaf6d647e5fdad69dbf16542fb53b05fe3c9008fa1cab20def49009328f2463b
SSDEEP

49152:IAY7oaDdNVu/OCgEGS+ef9JEMbk25zy/hd5Xv9qxsWLGWHgcxNZ5cY/n7zUcD8u7:

Score

10^/10

darkcomet redox discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Redox

reemote.no-ip.org:1604

Mutex

DC_MUTEX-YWMH1RC

Attributes

gencode
YU8YyArHoGNk
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2820	Redox 1.2.6.13.exe
2000	winlogon.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe
3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\FBUpdate91 = "C:\\Users\\Admin\\AppData\\Roaming\\Acrobat\\FBUpdate91.exe"	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs

pid	Process
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe
2820	Redox 1.2.6.13.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32

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 3 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_696231cda2fc5e0de11c3e501e7946bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Redox 1.2.6.13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe
3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe
Token: SeIncreaseQuotaPrivilege	2000	winlogon.exe
Token: SeSecurityPrivilege	2000	winlogon.exe
Token: SeTakeOwnershipPrivilege	2000	winlogon.exe
Token: SeLoadDriverPrivilege	2000	winlogon.exe
Token: SeSystemProfilePrivilege	2000	winlogon.exe
Token: SeSystemtimePrivilege	2000	winlogon.exe
Token: SeProfSingleProcessPrivilege	2000	winlogon.exe
Token: SeIncBasePriorityPrivilege	2000	winlogon.exe
Token: SeCreatePagefilePrivilege	2000	winlogon.exe
Token: SeBackupPrivilege	2000	winlogon.exe
Token: SeRestorePrivilege	2000	winlogon.exe
Token: SeShutdownPrivilege	2000	winlogon.exe
Token: SeDebugPrivilege	2000	winlogon.exe
Token: SeSystemEnvironmentPrivilege	2000	winlogon.exe
Token: SeChangeNotifyPrivilege	2000	winlogon.exe
Token: SeRemoteShutdownPrivilege	2000	winlogon.exe
Token: SeUndockPrivilege	2000	winlogon.exe
Token: SeManageVolumePrivilege	2000	winlogon.exe
Token: SeImpersonatePrivilege	2000	winlogon.exe
Token: SeCreateGlobalPrivilege	2000	winlogon.exe
Token: 33	2000	winlogon.exe
Token: 34	2000	winlogon.exe
Token: 35	2000	winlogon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2820	Redox 1.2.6.13.exe
2000	winlogon.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2820	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	31
PID 3020 wrote to memory of 2820	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	31
PID 3020 wrote to memory of 2820	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	31
PID 3020 wrote to memory of 2820	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	31
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32
PID 3020 wrote to memory of 2000	3020	JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_696231cda2fc5e0de11c3e501e7946bf.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\Redox 1.2.6.13.exe
  "C:\Users\Admin\AppData\Local\Temp\Redox 1.2.6.13.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\AppLaunch\winlogon.exe
  C:\Users\Admin\AppData\Local\Temp\\AppLaunch\winlogon.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2000

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

C:\Users\Admin\AppData\Local\Temp\Redox 1.2.6.13.exe

Filesize
4.6MB

MD5
a7d8a5a806b462c5db56cd4568dbdafd

SHA1
b0bbe844c4cf5db1a1f4f4f1292c6a046a48cbd8

SHA256
2fe7371d60f8adeff9719968d41b09ce31dbfa6c7dd8e07b3eb8b09bc8ba8df7

SHA512
400158cac861fe6d0837ad0f7dd651961295852d9789b499a91bec81ec2ed19da8380e73086ebd2ed6dd8e314e0f7d1b40302064348498824255a0e2598b2898

Download Submit
\Users\Admin\AppData\Local\Temp\AppLaunch\winlogon.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2000-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2000-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-49-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2000-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2820-12-0x0000000000290000-0x000000000100E000-memory.dmp

Filesize
13.5MB

Download
memory/2820-10-0x0000000000290000-0x000000000100E000-memory.dmp

Filesize
13.5MB

Download
memory/3020-44-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-48-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-46-0x000000000AB10000-0x000000000B88E000-memory.dmp

Filesize
13.5MB

Download
memory/3020-45-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-2-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-0-0x0000000074451000-0x0000000074452000-memory.dmp

Filesize
4KB

Download
memory/3020-1-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-13-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-9-0x000000000AB10000-0x000000000B88E000-memory.dmp

Filesize
13.5MB

Download