darkcomet | 8930c1b5c15e8c35e0f14f968f618cd957e827a034659e921fbdf89d7a16ec5b

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 11:08

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General

Target

9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe
Size

1.0MB
MD5

9445a116feb5ab7c93898103f87e3c0c
SHA1

108e70f0d6ba43c9364f152daff02c308b5fbaf8
SHA256

8930c1b5c15e8c35e0f14f968f618cd957e827a034659e921fbdf89d7a16ec5b
SHA512

9cae42b41cc8cfa5911cb2c440ea9ff253decae2d4f7149ed582872ff36ef15a23fd0d5a2349bd8d5ee1a2ccbff8dc5c5f6a0cf89a3a2d1fb69832c3be2964c7
SSDEEP

24576:rhnvOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:5jYlDZ3+UT/E

Score

10^/10

darkcomet test discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

test

dgspy.no-ip.org:200

Mutex

DC_MUTEX-VVXYM1W

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
CcGcGg63997j
install
true
offline_keylogger
true
persistence
true
reg_key
test

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

Processes:

svchost.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	svchost.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2664	attrib.exe
2520	attrib.exe

Executes dropped EXE 3 IoCs

Processes:

EpicBot.exesvchost.exemsdcsc.exe

pid	Process
2676	EpicBot.exe
2620	svchost.exe
2548	msdcsc.exe

Loads dropped DLL 3 IoCs

Processes:

9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exesvchost.exe

pid	Process
1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe
1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe
2620	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\test = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1688 set thread context of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30

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 8 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

Processes:

9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exeEpicBot.exesvchost.execmd.execmd.exeattrib.exeattrib.exemsdcsc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EpicBot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

svchost.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2620	svchost.exe
Token: SeSecurityPrivilege	2620	svchost.exe
Token: SeTakeOwnershipPrivilege	2620	svchost.exe
Token: SeLoadDriverPrivilege	2620	svchost.exe
Token: SeSystemProfilePrivilege	2620	svchost.exe
Token: SeSystemtimePrivilege	2620	svchost.exe
Token: SeProfSingleProcessPrivilege	2620	svchost.exe
Token: SeIncBasePriorityPrivilege	2620	svchost.exe
Token: SeCreatePagefilePrivilege	2620	svchost.exe
Token: SeBackupPrivilege	2620	svchost.exe
Token: SeRestorePrivilege	2620	svchost.exe
Token: SeShutdownPrivilege	2620	svchost.exe
Token: SeDebugPrivilege	2620	svchost.exe
Token: SeSystemEnvironmentPrivilege	2620	svchost.exe
Token: SeChangeNotifyPrivilege	2620	svchost.exe
Token: SeRemoteShutdownPrivilege	2620	svchost.exe
Token: SeUndockPrivilege	2620	svchost.exe
Token: SeManageVolumePrivilege	2620	svchost.exe
Token: SeImpersonatePrivilege	2620	svchost.exe
Token: SeCreateGlobalPrivilege	2620	svchost.exe
Token: 33	2620	svchost.exe
Token: 34	2620	svchost.exe
Token: 35	2620	svchost.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exeEpicBot.exesvchost.execmd.execmd.exe

description	pid	Process	procid_target
PID 1688 wrote to memory of 2676	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2676	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2676	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2676	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	28
PID 2676 wrote to memory of 1584	2676	EpicBot.exe	29
PID 2676 wrote to memory of 1584	2676	EpicBot.exe	29
PID 2676 wrote to memory of 1584	2676	EpicBot.exe	29
PID 2676 wrote to memory of 1584	2676	EpicBot.exe	29
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2620	1688	9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe	30
PID 2620 wrote to memory of 2804	2620	svchost.exe	31
PID 2620 wrote to memory of 2804	2620	svchost.exe	31
PID 2620 wrote to memory of 2804	2620	svchost.exe	31
PID 2620 wrote to memory of 2804	2620	svchost.exe	31
PID 2620 wrote to memory of 2104	2620	svchost.exe	33
PID 2620 wrote to memory of 2104	2620	svchost.exe	33
PID 2620 wrote to memory of 2104	2620	svchost.exe	33
PID 2620 wrote to memory of 2104	2620	svchost.exe	33
PID 2104 wrote to memory of 2664	2104	cmd.exe	36
PID 2104 wrote to memory of 2664	2104	cmd.exe	36
PID 2104 wrote to memory of 2664	2104	cmd.exe	36
PID 2104 wrote to memory of 2664	2104	cmd.exe	36
PID 2804 wrote to memory of 2520	2804	cmd.exe	35
PID 2804 wrote to memory of 2520	2804	cmd.exe	35
PID 2804 wrote to memory of 2520	2804	cmd.exe	35
PID 2804 wrote to memory of 2520	2804	cmd.exe	35
PID 2620 wrote to memory of 2548	2620	svchost.exe	37
PID 2620 wrote to memory of 2548	2620	svchost.exe	37
PID 2620 wrote to memory of 2548	2620	svchost.exe	37
PID 2620 wrote to memory of 2548	2620	svchost.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2664	attrib.exe
2520	attrib.exe

C:\Users\Admin\AppData\Local\Temp\9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9445a116feb5ab7c93898103f87e3c0c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\EpicBot.exe
  "C:\Users\Admin\AppData\Local\Temp\EpicBot.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\EpicBot.jar"
    3⤵
    PID:1584
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.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:2620
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2804
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2520
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2104
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2664
- - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2548

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\EpicBot.exe

Filesize
43KB

MD5
eb8a2dcc1474b87f78fa342c95771c33

SHA1
26082d5c99d23a5af76d19751c1b21e13b2f4970

SHA256
90a95868f25a28202a04b04aea80594ff1db275f1d5247cda7d86c7dd41e1ab0

SHA512
b6d622549fd50440673d6cedafb3a571291e8f5b90c7ecd0e7db55b9d926a84850e665c27207bea7d4da17f2ccb05299f851f8759a7b53b856fea6babd77676b

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1688-0-0x0000000074871000-0x0000000074872000-memory.dmp

Filesize
4KB

Download
memory/1688-1-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-2-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-35-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2620-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2620-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2676-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download