darkcomet | b41e92bff60142c0a6f6e7cb139efd03d28ae1c3e4e7030324ce7cfa285826f9

Analysis

max time kernel
141s
max time network
140s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/01/2025, 19:25

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General

Target

JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
Size

1.3MB
MD5

106d0f5d09284db2ba2c4503c6df6543
SHA1

43367d64aa3596d4b0b4098e1b20b2f9695650ff
SHA256

b41e92bff60142c0a6f6e7cb139efd03d28ae1c3e4e7030324ce7cfa285826f9
SHA512

b5eba0d82ef1bbe7ef890168a63b831295d57574ae5b488fae0529d1725c081b3d6a2ccb31aeaf9015693518d54e2d8df0c80a15511e82519613fca66956ab79
SSDEEP

24576:RE/WYtHYvXL2q4uruEjBFgtTi1jZ97dkB9YqdKQpQ:hvjtjzI+WT8Q+

Score

10^/10

darkcomet victim discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Victim

thehungergame.no-ip.biz:15963

99.251.218.61:15963

Mutex

DC_MUTEX-AP9QVZT

Attributes

gencode
rBwa9hymfwrJ
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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32 .exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32 .exe	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2744	svhost.exe
2616	svhost.exe

Loads dropped DLL 2 IoCs

pid	Process
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rundll32 .exe"	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

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 6 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_106d0f5d09284db2ba2c4503c6df6543.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2640	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
Token: SeIncreaseQuotaPrivilege	2744	svhost.exe
Token: SeSecurityPrivilege	2744	svhost.exe
Token: SeTakeOwnershipPrivilege	2744	svhost.exe
Token: SeLoadDriverPrivilege	2744	svhost.exe
Token: SeSystemProfilePrivilege	2744	svhost.exe
Token: SeSystemtimePrivilege	2744	svhost.exe
Token: SeProfSingleProcessPrivilege	2744	svhost.exe
Token: SeIncBasePriorityPrivilege	2744	svhost.exe
Token: SeCreatePagefilePrivilege	2744	svhost.exe
Token: SeBackupPrivilege	2744	svhost.exe
Token: SeRestorePrivilege	2744	svhost.exe
Token: SeShutdownPrivilege	2744	svhost.exe
Token: SeDebugPrivilege	2744	svhost.exe
Token: SeSystemEnvironmentPrivilege	2744	svhost.exe
Token: SeChangeNotifyPrivilege	2744	svhost.exe
Token: SeRemoteShutdownPrivilege	2744	svhost.exe
Token: SeUndockPrivilege	2744	svhost.exe
Token: SeManageVolumePrivilege	2744	svhost.exe
Token: SeImpersonatePrivilege	2744	svhost.exe
Token: SeCreateGlobalPrivilege	2744	svhost.exe
Token: 33	2744	svhost.exe
Token: 34	2744	svhost.exe
Token: 35	2744	svhost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2640	WINWORD.EXE
2640	WINWORD.EXE
2744	svhost.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2156	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	29
PID 2528 wrote to memory of 2156	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	29
PID 2528 wrote to memory of 2156	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	29
PID 2528 wrote to memory of 2156	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	29
PID 2156 wrote to memory of 2812	2156	cmd.exe	31
PID 2156 wrote to memory of 2812	2156	cmd.exe	31
PID 2156 wrote to memory of 2812	2156	cmd.exe	31
PID 2156 wrote to memory of 2812	2156	cmd.exe	31
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2744	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	32
PID 2528 wrote to memory of 2616	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	33
PID 2528 wrote to memory of 2616	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	33
PID 2528 wrote to memory of 2616	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	33
PID 2528 wrote to memory of 2616	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	33
PID 2812 wrote to memory of 2636	2812	wscript.exe	34
PID 2812 wrote to memory of 2636	2812	wscript.exe	34
PID 2812 wrote to memory of 2636	2812	wscript.exe	34
PID 2812 wrote to memory of 2636	2812	wscript.exe	34
PID 2528 wrote to memory of 2640	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	36
PID 2528 wrote to memory of 2640	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	36
PID 2528 wrote to memory of 2640	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	36
PID 2528 wrote to memory of 2640	2528	JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe	36
PID 2640 wrote to memory of 2916	2640	WINWORD.EXE	38
PID 2640 wrote to memory of 2916	2640	WINWORD.EXE	38
PID 2640 wrote to memory of 2916	2640	WINWORD.EXE	38
PID 2640 wrote to memory of 2916	2640	WINWORD.EXE	38

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_106d0f5d09284db2ba2c4503c6df6543.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:2528
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\caca.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\caca2.bat
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2812
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\caca2.bat" "
      4⤵
      Drops startup file
      System Location Discovery: System Language Discovery
      PID:2636
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2744
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:2616
- C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
  "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Default.doc"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\splwow64.exe
    C:\Windows\splwow64.exe 12288
    3⤵
    PID:2916

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Default.doc

Filesize
29KB

MD5
2df3e695bd78fe6fc66f1c1af4765c5e

SHA1
30d01388ba3f0449749db3dcaebb1e38151bd986

SHA256
f147d7bf3dd7ae7b6d9ba5a936beed6972b115856d2dba9d68d5edd918478b3f

SHA512
43c727eebf0d943bfd208b213b0eb9ce4fbcdb0d1837207f87fddf96f70cf44bf8de23d610340026a80c7f13bde70988b98a3e0162df8925b0dfd0714636047f

Download Submit
C:\Users\Admin\AppData\Local\Temp\caca.bat

Filesize
47B

MD5
58ccb87aa1da4939df403810f1e68b6b

SHA1
dc8551f41682e5cb1dd25af3f11a789b1d37b295

SHA256
eccc9f27214ff49689c1f597c0d3d3a3e45391064fd0baa9b5e0e03931b7822b

SHA512
17ad698f496a445c5cbd0972df9fe966081a3cbee33fb7d7e003890ae946c65687b85b9b16990a872338d00d798b82dee06e86bd2d38b01ad292048134688fd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\caca2.bat

Filesize
151B

MD5
ed28c618f7d8306e3736432b58bb5d27

SHA1
441e6dab70e31d9c599fcd9e2d32009038781b42

SHA256
d9aa03911260779b1f8a9b046a7ecf7aa87b0f13c762491fe8e06c482bac09a3

SHA512
4257d8839e881a9ab6de6230a9df1e81456cb796eb9ee2361789fa5fe4c81b297ed1c472f91d97bb0b2ebdb6acadb924617e6ffd32fc96d8ddcebf8fee4a7880

Download Submit
C:\Users\Admin\AppData\Local\Temp\invs.vbs

Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll32 .exe

Filesize
1.3MB

MD5
106d0f5d09284db2ba2c4503c6df6543

SHA1
43367d64aa3596d4b0b4098e1b20b2f9695650ff

SHA256
b41e92bff60142c0a6f6e7cb139efd03d28ae1c3e4e7030324ce7cfa285826f9

SHA512
b5eba0d82ef1bbe7ef890168a63b831295d57574ae5b488fae0529d1725c081b3d6a2ccb31aeaf9015693518d54e2d8df0c80a15511e82519613fca66956ab79

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
\Windows\Temp\svhost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2528-76-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-79-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-0-0x00000000748E1000-0x00000000748E2000-memory.dmp

Filesize
4KB

Download
memory/2528-8-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-1-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-2-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2744-33-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-61-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-31-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-29-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-27-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-26-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-35-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-37-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-58-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-59-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-62-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-46-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-41-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-77-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-24-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-81-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-83-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-85-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-87-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-89-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-91-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download