darkcomet | ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 10:39

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General

Target

ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Size

349KB
MD5

026881e2c6aec9c7862fc4481fa49790
SHA1

192feeee8a660bb43705217aa069824add92b7a1
SHA256

ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00
SHA512

059155d439f43f158c22b95e366918a4392fbf97630484309b354dacc91f1cc1f84edb85a797ef3ee8ae556169b9816c70b8a3d0f8dabdf14652eeee8fc5cd1c
SSDEEP

6144:fcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37Qa+KIOkknUnk3nnU:fcW7KEZlPzCy37r3kknUnk3nnU

Score

10^/10

darkcomet server fud discovery evasion persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Server FUD

tm77220.no-ip.org:1604

Mutex

DC_MUTEX-2YM4VM4

Attributes

InstallPath
CCleanerPC\CCleaner.exe
gencode
3gRwzeWR8jFt
install
true
offline_keylogger
true
persistence
true
reg_key
CCleanerPC

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\CCleanerPC\\CCleaner.exe"	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.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

pid	Process
936	attrib.exe
1148	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe

Executes dropped EXE 1 IoCs

pid	Process
4212	CCleaner.exe

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CCleanerPC = "C:\\Windows\\system32\\CCleanerPC\\CCleaner.exe"	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CCleanerPC = "C:\\Windows\\system32\\CCleanerPC\\CCleaner.exe"	CCleaner.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\CCleanerPC\CCleaner.exe	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
File opened for modification	C:\Windows\SysWOW64\CCleanerPC\CCleaner.exe	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
File opened for modification	C:\Windows\SysWOW64\CCleanerPC\	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe

UPX packed file 15 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4292-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/files/0x000a000000023b9d-6.dat	upx
behavioral2/memory/4292-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4212-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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 7 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CCleaner.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeSecurityPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeTakeOwnershipPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeLoadDriverPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeSystemProfilePrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeSystemtimePrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeProfSingleProcessPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeIncBasePriorityPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeCreatePagefilePrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeBackupPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeRestorePrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeShutdownPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeDebugPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeSystemEnvironmentPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeChangeNotifyPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeRemoteShutdownPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeUndockPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeManageVolumePrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeImpersonatePrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeCreateGlobalPrivilege	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: 33	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: 34	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: 35	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: 36	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
Token: SeIncreaseQuotaPrivilege	4212	CCleaner.exe
Token: SeSecurityPrivilege	4212	CCleaner.exe
Token: SeTakeOwnershipPrivilege	4212	CCleaner.exe
Token: SeLoadDriverPrivilege	4212	CCleaner.exe
Token: SeSystemProfilePrivilege	4212	CCleaner.exe
Token: SeSystemtimePrivilege	4212	CCleaner.exe
Token: SeProfSingleProcessPrivilege	4212	CCleaner.exe
Token: SeIncBasePriorityPrivilege	4212	CCleaner.exe
Token: SeCreatePagefilePrivilege	4212	CCleaner.exe
Token: SeBackupPrivilege	4212	CCleaner.exe
Token: SeRestorePrivilege	4212	CCleaner.exe
Token: SeShutdownPrivilege	4212	CCleaner.exe
Token: SeDebugPrivilege	4212	CCleaner.exe
Token: SeSystemEnvironmentPrivilege	4212	CCleaner.exe
Token: SeChangeNotifyPrivilege	4212	CCleaner.exe
Token: SeRemoteShutdownPrivilege	4212	CCleaner.exe
Token: SeUndockPrivilege	4212	CCleaner.exe
Token: SeManageVolumePrivilege	4212	CCleaner.exe
Token: SeImpersonatePrivilege	4212	CCleaner.exe
Token: SeCreateGlobalPrivilege	4212	CCleaner.exe
Token: 33	4212	CCleaner.exe
Token: 34	4212	CCleaner.exe
Token: 35	4212	CCleaner.exe
Token: 36	4212	CCleaner.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4212	CCleaner.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 4556	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	82
PID 4292 wrote to memory of 4556	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	82
PID 4292 wrote to memory of 4556	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	82
PID 4292 wrote to memory of 3660	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	83
PID 4292 wrote to memory of 3660	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	83
PID 4292 wrote to memory of 3660	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	83
PID 4556 wrote to memory of 936	4556	cmd.exe	86
PID 4556 wrote to memory of 936	4556	cmd.exe	86
PID 4556 wrote to memory of 936	4556	cmd.exe	86
PID 3660 wrote to memory of 1148	3660	cmd.exe	87
PID 3660 wrote to memory of 1148	3660	cmd.exe	87
PID 3660 wrote to memory of 1148	3660	cmd.exe	87
PID 4292 wrote to memory of 4212	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	88
PID 4292 wrote to memory of 4212	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	88
PID 4292 wrote to memory of 4212	4292	ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe	88
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89
PID 4212 wrote to memory of 3212	4212	CCleaner.exe	89

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
936	attrib.exe
1148	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe
"C:\Users\Admin\AppData\Local\Temp\ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00N.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3660
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1148
- C:\Windows\SysWOW64\CCleanerPC\CCleaner.exe
  "C:\Windows\system32\CCleanerPC\CCleaner.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4212
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3212

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

Query Registry

T1012

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:\Windows\SysWOW64\CCleanerPC\CCleaner.exe

Filesize
349KB

MD5
026881e2c6aec9c7862fc4481fa49790

SHA1
192feeee8a660bb43705217aa069824add92b7a1

SHA256
ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00

SHA512
059155d439f43f158c22b95e366918a4392fbf97630484309b354dacc91f1cc1f84edb85a797ef3ee8ae556169b9816c70b8a3d0f8dabdf14652eeee8fc5cd1c

Download Submit
memory/3212-64-0x0000000001020000-0x0000000001021000-memory.dmp

Filesize
4KB

Download
memory/4212-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-66-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-63-0x0000000002080000-0x0000000002081000-memory.dmp

Filesize
4KB

Download
memory/4212-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4212-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4292-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4292-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4292-1-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads