darkcomet | f325a078aaa41aaf0c5f619dd2b6d9d1e4fb9837cc54aa2ab71c88aae95580db

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 01:03

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General

Target

0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe
Size

12.3MB
MD5

0d37824cb0dc10df2966d847302e3134
SHA1

e163829ff705fb291800039cd76329c4d5d89787
SHA256

f325a078aaa41aaf0c5f619dd2b6d9d1e4fb9837cc54aa2ab71c88aae95580db
SHA512

81be17af1314fa34e5154e3e12ee53cf50c23b6fa8054656b181a570da0212f1696aa24d85bbce06d2d48a57e6fffc7d512bf28d5b2a7e74bb2c76859fff38c5
SSDEEP

393216:JEgHFEEvurJSPUObk/q40p+iZKdwmJRXe08AxWouRlRSDxl49:CIFEEvurJSPUObk/q40p+iZkwmJRX981

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

activatedmasric.no-ip.info:4899

Mutex

DC_MUTEX-61V7TCV

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
9HHCTuEUFRd0
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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\\MSDCSC\\msdcsc.exe"	vbc.exe

Executes dropped EXE 2 IoCs

pid	Process
2316	vbc.exe
3020	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe
2316	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\JavaUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\JavaUpdtr\\0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe"	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31

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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2752	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2752	vlc.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2316	vbc.exe
Token: SeSecurityPrivilege	2316	vbc.exe
Token: SeTakeOwnershipPrivilege	2316	vbc.exe
Token: SeLoadDriverPrivilege	2316	vbc.exe
Token: SeSystemProfilePrivilege	2316	vbc.exe
Token: SeSystemtimePrivilege	2316	vbc.exe
Token: SeProfSingleProcessPrivilege	2316	vbc.exe
Token: SeIncBasePriorityPrivilege	2316	vbc.exe
Token: SeCreatePagefilePrivilege	2316	vbc.exe
Token: SeBackupPrivilege	2316	vbc.exe
Token: SeRestorePrivilege	2316	vbc.exe
Token: SeShutdownPrivilege	2316	vbc.exe
Token: SeDebugPrivilege	2316	vbc.exe
Token: SeSystemEnvironmentPrivilege	2316	vbc.exe
Token: SeChangeNotifyPrivilege	2316	vbc.exe
Token: SeRemoteShutdownPrivilege	2316	vbc.exe
Token: SeUndockPrivilege	2316	vbc.exe
Token: SeManageVolumePrivilege	2316	vbc.exe
Token: SeImpersonatePrivilege	2316	vbc.exe
Token: SeCreateGlobalPrivilege	2316	vbc.exe
Token: 33	2316	vbc.exe
Token: 34	2316	vbc.exe
Token: 35	2316	vbc.exe
Token: 33	2752	vlc.exe
Token: SeIncBasePriorityPrivilege	2752	vlc.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe
2752	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2752	vlc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2316	3012	0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2752	2316	vbc.exe	32
PID 2316 wrote to memory of 2752	2316	vbc.exe	32
PID 2316 wrote to memory of 2752	2316	vbc.exe	32
PID 2316 wrote to memory of 2752	2316	vbc.exe	32
PID 2316 wrote to memory of 3020	2316	vbc.exe	33
PID 2316 wrote to memory of 3020	2316	vbc.exe	33
PID 2316 wrote to memory of 3020	2316	vbc.exe	33
PID 2316 wrote to memory of 3020	2316	vbc.exe	33

C:\Users\Admin\AppData\Local\Temp\0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0d37824cb0dc10df2966d847302e3134_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\MAMATA WALKS OUT OF SHOW, CALLS STUDENTS MAOISTS - YOUTUBE.MP4"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:2752
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

C:\Users\Admin\AppData\Local\Temp\MAMATA WALKS OUT OF SHOW, CALLS STUDENTS MAOISTS - YOUTUBE.MP4

Filesize
7.1MB

MD5
17c8b58c288efb141ce02b16f8d497a9

SHA1
88f683db816b531e635c5c7751ceea57fab9a33a

SHA256
02cda387961af9a7e28d06f6974508763a64b33dfcecdfb4b84743493feacee8

SHA512
1ea849facbf1e4169ad221407124da8a45da7a658dfdbd51377bddd0592ac5adb712015434af58fa8d0b9c12d0afde953a7ae29d609936e59221a1e404e4c12b

Download Submit
\Users\Admin\AppData\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2316-24-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-17-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-45-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-19-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-22-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-27-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-9-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-14-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-11-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-18-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-16-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-13-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-25-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2316-28-0x0000000000400000-0x0000000000BD3000-memory.dmp

Filesize
7.8MB

Download
memory/2752-65-0x000007FEF6210000-0x000007FEF622B000-memory.dmp

Filesize
108KB

Download
memory/2752-67-0x000007FEF61D0000-0x000007FEF61E8000-memory.dmp

Filesize
96KB

Download
memory/2752-76-0x000007FEF2D70000-0x000007FEF2F76000-memory.dmp

Filesize
2.0MB

Download
memory/2752-77-0x000007FEF2D50000-0x000007FEF2D62000-memory.dmp

Filesize
72KB

Download
memory/2752-48-0x000007FEF7400000-0x000007FEF7434000-memory.dmp

Filesize
208KB

Download
memory/2752-47-0x000000013F210000-0x000000013F308000-memory.dmp

Filesize
992KB

Download
memory/2752-50-0x000007FEFB2A0000-0x000007FEFB2B8000-memory.dmp

Filesize
96KB

Download
memory/2752-56-0x000007FEF6810000-0x000007FEF6821000-memory.dmp

Filesize
68KB

Download
memory/2752-55-0x000007FEF73C0000-0x000007FEF73DD000-memory.dmp

Filesize
116KB

Download
memory/2752-49-0x000007FEF5D50000-0x000007FEF6006000-memory.dmp

Filesize
2.7MB

Download
memory/2752-54-0x000007FEF73E0000-0x000007FEF73F1000-memory.dmp

Filesize
68KB

Download
memory/2752-53-0x000007FEFA790000-0x000007FEFA7A7000-memory.dmp

Filesize
92KB

Download
memory/2752-52-0x000007FEFAA40000-0x000007FEFAA51000-memory.dmp

Filesize
68KB

Download
memory/2752-51-0x000007FEFABE0000-0x000007FEFABF7000-memory.dmp

Filesize
92KB

Download
memory/2752-57-0x000007FEF5B40000-0x000007FEF5D4B000-memory.dmp

Filesize
2.0MB

Download
memory/2752-78-0x000007FEF2D00000-0x000007FEF2D42000-memory.dmp

Filesize
264KB

Download
memory/2752-66-0x000007FEF61F0000-0x000007FEF6201000-memory.dmp

Filesize
68KB

Download
memory/2752-69-0x000007FEF6130000-0x000007FEF6197000-memory.dmp

Filesize
412KB

Download
memory/2752-74-0x000007FEF47F0000-0x000007FEF4807000-memory.dmp

Filesize
92KB

Download
memory/2752-73-0x000007FEF4810000-0x000007FEF4990000-memory.dmp

Filesize
1.5MB

Download
memory/2752-58-0x000007FEF4A90000-0x000007FEF5B40000-memory.dmp

Filesize
16.7MB

Download
memory/2752-72-0x000007FEF4990000-0x000007FEF49E7000-memory.dmp

Filesize
348KB

Download
memory/2752-71-0x000007FEF49F0000-0x000007FEF4A01000-memory.dmp

Filesize
68KB

Download
memory/2752-70-0x000007FEF4A10000-0x000007FEF4A8C000-memory.dmp

Filesize
496KB

Download
memory/2752-68-0x000007FEF61A0000-0x000007FEF61D0000-memory.dmp

Filesize
192KB

Download
memory/2752-79-0x000007FEF2CB0000-0x000007FEF2CFD000-memory.dmp

Filesize
308KB

Download
memory/2752-64-0x000007FEF62A0000-0x000007FEF62B1000-memory.dmp

Filesize
68KB

Download
memory/2752-63-0x000007FEF62C0000-0x000007FEF62D1000-memory.dmp

Filesize
68KB

Download
memory/2752-62-0x000007FEF63F0000-0x000007FEF6401000-memory.dmp

Filesize
68KB

Download
memory/2752-61-0x000007FEF67A0000-0x000007FEF67B8000-memory.dmp

Filesize
96KB

Download
memory/2752-60-0x000007FEF62E0000-0x000007FEF6301000-memory.dmp

Filesize
132KB

Download
memory/2752-59-0x000007FEF67C0000-0x000007FEF6801000-memory.dmp

Filesize
260KB

Download
memory/2752-86-0x000007FEF2690000-0x000007FEF26F2000-memory.dmp

Filesize
392KB

Download
memory/2752-85-0x000007FEF2700000-0x000007FEF2742000-memory.dmp

Filesize
264KB

Download
memory/2752-94-0x000007FEF1D40000-0x000007FEF1D51000-memory.dmp

Filesize
68KB

Download
memory/2752-93-0x000007FEF2100000-0x000007FEF2111000-memory.dmp

Filesize
68KB

Download
memory/2752-91-0x000007FEF2230000-0x000007FEF2243000-memory.dmp

Filesize
76KB

Download
memory/2752-90-0x000007FEF2250000-0x000007FEF2273000-memory.dmp

Filesize
140KB

Download
memory/2752-89-0x000007FEF22A0000-0x000007FEF22B5000-memory.dmp

Filesize
84KB

Download
memory/2752-88-0x000007FEF22C0000-0x000007FEF2570000-memory.dmp

Filesize
2.7MB

Download
memory/2752-87-0x000007FEF2620000-0x000007FEF268D000-memory.dmp

Filesize
436KB

Download
memory/2752-84-0x000007FEF2750000-0x000007FEF2815000-memory.dmp

Filesize
788KB

Download
memory/2752-83-0x000007FEF2820000-0x000007FEF2836000-memory.dmp

Filesize
88KB

Download
memory/2752-82-0x000007FEF2840000-0x000007FEF2851000-memory.dmp

Filesize
68KB

Download
memory/2752-81-0x000007FEF2860000-0x000007FEF288F000-memory.dmp

Filesize
188KB

Download
memory/2752-80-0x000007FEFADF0000-0x000007FEFAE00000-memory.dmp

Filesize
64KB

Download
memory/3012-26-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/3012-0-0x0000000074261000-0x0000000074262000-memory.dmp

Filesize
4KB

Download
memory/3012-1-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/3012-2-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads