darkcomet | 8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19

Analysis

max time kernel
154s
max time network
77s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 06:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Size

690KB
MD5

81ed6dcb795201a907f16ce79baa0a56
SHA1

eb021f72c8b0cc17c36e8eab5dabc45e7e47aa5e
SHA256

8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19
SHA512

b9bd7cf934d7427772162e13753e2961d80117cc3f3fe87b488450f8991412510f138eb60a0438eec7b89e46f15de2c5cbe801b8e9092ae2df503cc87cb3b91c
SSDEEP

12288:Z9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hA4:jZ1xuVVjfFoynPaVBUR8f+kN10EB3

Score

10^/10

darkcomet guest16 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

abdulla-omer.no-ip.org:1604

Mutex

DC_MUTEX-TWQ3SUY

Attributes

InstallPath
System32\SysConf.exe
gencode
ea0LncChfRvj
install
true
offline_keylogger
true
persistence
true
reg_key
SystemConf

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

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\System32\\SysConf.exe"	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	SysConf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	SysConf.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	SysConf.exe

Executes dropped EXE 1 IoCs

pid	Process
1408	SysConf.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1158

pid	Process
1112	attrib.exe
1048	attrib.exe

Deletes itself 1 IoCs

pid	Process
468	notepad.exe

Loads dropped DLL 2 IoCs

pid	Process
2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	SysConf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	SysConf.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemConf = "C:\\Windows\\system32\\System32\\SysConf.exe"	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemConf = "C:\\Windows\\system32\\System32\\SysConf.exe"	SysConf.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\System32\SysConf.exe	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
File opened for modification	C:\Windows\SysWOW64\System32\SysConf.exe	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
File opened for modification	C:\Windows\SysWOW64\System32\	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1408	SysConf.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeSecurityPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeTakeOwnershipPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeLoadDriverPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeSystemProfilePrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeSystemtimePrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeProfSingleProcessPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeIncBasePriorityPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeCreatePagefilePrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeBackupPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeRestorePrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeShutdownPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeDebugPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeSystemEnvironmentPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeChangeNotifyPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeRemoteShutdownPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeUndockPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeManageVolumePrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeImpersonatePrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeCreateGlobalPrivilege	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: 33	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: 34	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: 35	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
Token: SeIncreaseQuotaPrivilege	1408	SysConf.exe
Token: SeSecurityPrivilege	1408	SysConf.exe
Token: SeTakeOwnershipPrivilege	1408	SysConf.exe
Token: SeLoadDriverPrivilege	1408	SysConf.exe
Token: SeSystemProfilePrivilege	1408	SysConf.exe
Token: SeSystemtimePrivilege	1408	SysConf.exe
Token: SeProfSingleProcessPrivilege	1408	SysConf.exe
Token: SeIncBasePriorityPrivilege	1408	SysConf.exe
Token: SeCreatePagefilePrivilege	1408	SysConf.exe
Token: SeBackupPrivilege	1408	SysConf.exe
Token: SeRestorePrivilege	1408	SysConf.exe
Token: SeShutdownPrivilege	1408	SysConf.exe
Token: SeDebugPrivilege	1408	SysConf.exe
Token: SeSystemEnvironmentPrivilege	1408	SysConf.exe
Token: SeChangeNotifyPrivilege	1408	SysConf.exe
Token: SeRemoteShutdownPrivilege	1408	SysConf.exe
Token: SeUndockPrivilege	1408	SysConf.exe
Token: SeManageVolumePrivilege	1408	SysConf.exe
Token: SeImpersonatePrivilege	1408	SysConf.exe
Token: SeCreateGlobalPrivilege	1408	SysConf.exe
Token: 33	1408	SysConf.exe
Token: 34	1408	SysConf.exe
Token: 35	1408	SysConf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1408	SysConf.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 908	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	28
PID 2032 wrote to memory of 908	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	28
PID 2032 wrote to memory of 908	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	28
PID 2032 wrote to memory of 908	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	28
PID 2032 wrote to memory of 556	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	29
PID 2032 wrote to memory of 556	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	29
PID 2032 wrote to memory of 556	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	29
PID 2032 wrote to memory of 556	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	29
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 2032 wrote to memory of 468	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	31
PID 556 wrote to memory of 1048	556	cmd.exe	34
PID 556 wrote to memory of 1048	556	cmd.exe	34
PID 556 wrote to memory of 1048	556	cmd.exe	34
PID 556 wrote to memory of 1048	556	cmd.exe	34
PID 908 wrote to memory of 1112	908	cmd.exe	33
PID 908 wrote to memory of 1112	908	cmd.exe	33
PID 908 wrote to memory of 1112	908	cmd.exe	33
PID 908 wrote to memory of 1112	908	cmd.exe	33
PID 2032 wrote to memory of 1408	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	35
PID 2032 wrote to memory of 1408	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	35
PID 2032 wrote to memory of 1408	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	35
PID 2032 wrote to memory of 1408	2032	8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe	35
PID 1408 wrote to memory of 820	1408	SysConf.exe	36
PID 1408 wrote to memory of 820	1408	SysConf.exe	36
PID 1408 wrote to memory of 820	1408	SysConf.exe	36
PID 1408 wrote to memory of 820	1408	SysConf.exe	36
PID 1408 wrote to memory of 992	1408	SysConf.exe	37
PID 1408 wrote to memory of 992	1408	SysConf.exe	37
PID 1408 wrote to memory of 992	1408	SysConf.exe	37
PID 1408 wrote to memory of 992	1408	SysConf.exe	37
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38
PID 1408 wrote to memory of 364	1408	SysConf.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1112	attrib.exe
1048	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe
"C:\Users\Admin\AppData\Local\Temp\8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:908
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:1112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:556
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:1048
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  PID:468
- C:\Windows\SysWOW64\System32\SysConf.exe
  "C:\Windows\system32\System32\SysConf.exe"
  2⤵
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:820
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:992
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\System32\SysConf.exe

Filesize
690KB

MD5
81ed6dcb795201a907f16ce79baa0a56

SHA1
eb021f72c8b0cc17c36e8eab5dabc45e7e47aa5e

SHA256
8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19

SHA512
b9bd7cf934d7427772162e13753e2961d80117cc3f3fe87b488450f8991412510f138eb60a0438eec7b89e46f15de2c5cbe801b8e9092ae2df503cc87cb3b91c

Download Submit
C:\Windows\SysWOW64\System32\SysConf.exe

Filesize
690KB

MD5
81ed6dcb795201a907f16ce79baa0a56

SHA1
eb021f72c8b0cc17c36e8eab5dabc45e7e47aa5e

SHA256
8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19

SHA512
b9bd7cf934d7427772162e13753e2961d80117cc3f3fe87b488450f8991412510f138eb60a0438eec7b89e46f15de2c5cbe801b8e9092ae2df503cc87cb3b91c

Download Submit
\Windows\SysWOW64\System32\SysConf.exe

Filesize
690KB

MD5
81ed6dcb795201a907f16ce79baa0a56

SHA1
eb021f72c8b0cc17c36e8eab5dabc45e7e47aa5e

SHA256
8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19

SHA512
b9bd7cf934d7427772162e13753e2961d80117cc3f3fe87b488450f8991412510f138eb60a0438eec7b89e46f15de2c5cbe801b8e9092ae2df503cc87cb3b91c

Download Submit
\Windows\SysWOW64\System32\SysConf.exe

Filesize
690KB

MD5
81ed6dcb795201a907f16ce79baa0a56

SHA1
eb021f72c8b0cc17c36e8eab5dabc45e7e47aa5e

SHA256
8970ab5f181d4d7796dae8adc4326d6da14eda07741086cc551ab7dddf933e19

SHA512
b9bd7cf934d7427772162e13753e2961d80117cc3f3fe87b488450f8991412510f138eb60a0438eec7b89e46f15de2c5cbe801b8e9092ae2df503cc87cb3b91c

Download Submit
memory/2032-54-0x00000000753F1000-0x00000000753F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads