darkcomet | ee49a7e3f7b1f69bbf2d5d65ba2c2b3118116782284a765f380c0846d324dd00

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 03:21

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General

Target

JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.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"	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.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
3212	attrib.exe
1932	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe

Executes dropped EXE 1 IoCs

pid	Process
5072	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CCleanerPC = "C:\\Windows\\system32\\CCleanerPC\\CCleaner.exe"	CCleaner.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CCleanerPC = "C:\\Windows\\system32\\CCleanerPC\\CCleaner.exe"	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\CCleanerPC\CCleaner.exe	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
File opened for modification	C:\Windows\SysWOW64\CCleanerPC\CCleaner.exe	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
File opened for modification	C:\Windows\SysWOW64\CCleanerPC\	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3512-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/files/0x000b000000023b78-7.dat	upx
behavioral2/memory/3512-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5072-81-0x0000000000400000-0x00000000004B7000-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	CCleaner.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeSecurityPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeTakeOwnershipPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeLoadDriverPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeSystemProfilePrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeSystemtimePrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeProfSingleProcessPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeIncBasePriorityPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeCreatePagefilePrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeBackupPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeRestorePrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeShutdownPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeDebugPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeSystemEnvironmentPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeChangeNotifyPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeRemoteShutdownPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeUndockPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeManageVolumePrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeImpersonatePrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeCreateGlobalPrivilege	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: 33	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: 34	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: 35	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: 36	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
Token: SeIncreaseQuotaPrivilege	5072	CCleaner.exe
Token: SeSecurityPrivilege	5072	CCleaner.exe
Token: SeTakeOwnershipPrivilege	5072	CCleaner.exe
Token: SeLoadDriverPrivilege	5072	CCleaner.exe
Token: SeSystemProfilePrivilege	5072	CCleaner.exe
Token: SeSystemtimePrivilege	5072	CCleaner.exe
Token: SeProfSingleProcessPrivilege	5072	CCleaner.exe
Token: SeIncBasePriorityPrivilege	5072	CCleaner.exe
Token: SeCreatePagefilePrivilege	5072	CCleaner.exe
Token: SeBackupPrivilege	5072	CCleaner.exe
Token: SeRestorePrivilege	5072	CCleaner.exe
Token: SeShutdownPrivilege	5072	CCleaner.exe
Token: SeDebugPrivilege	5072	CCleaner.exe
Token: SeSystemEnvironmentPrivilege	5072	CCleaner.exe
Token: SeChangeNotifyPrivilege	5072	CCleaner.exe
Token: SeRemoteShutdownPrivilege	5072	CCleaner.exe
Token: SeUndockPrivilege	5072	CCleaner.exe
Token: SeManageVolumePrivilege	5072	CCleaner.exe
Token: SeImpersonatePrivilege	5072	CCleaner.exe
Token: SeCreateGlobalPrivilege	5072	CCleaner.exe
Token: 33	5072	CCleaner.exe
Token: 34	5072	CCleaner.exe
Token: 35	5072	CCleaner.exe
Token: 36	5072	CCleaner.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5072	CCleaner.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 3884	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	83
PID 3512 wrote to memory of 3884	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	83
PID 3512 wrote to memory of 3884	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	83
PID 3512 wrote to memory of 3672	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	84
PID 3512 wrote to memory of 3672	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	84
PID 3512 wrote to memory of 3672	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	84
PID 3672 wrote to memory of 3212	3672	cmd.exe	87
PID 3672 wrote to memory of 3212	3672	cmd.exe	87
PID 3672 wrote to memory of 3212	3672	cmd.exe	87
PID 3884 wrote to memory of 1932	3884	cmd.exe	88
PID 3884 wrote to memory of 1932	3884	cmd.exe	88
PID 3884 wrote to memory of 1932	3884	cmd.exe	88
PID 3512 wrote to memory of 5072	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	89
PID 3512 wrote to memory of 5072	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	89
PID 3512 wrote to memory of 5072	3512	JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe	89
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90
PID 5072 wrote to memory of 2572	5072	CCleaner.exe	90

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3212	attrib.exe
1932	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.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:3512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3884
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_026881e2c6aec9c7862fc4481fa49790.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1932
- 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:3672
- - 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:3212
- 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:5072
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2572

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/2572-64-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3512-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3512-1-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/3512-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-67-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/5072-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-63-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/5072-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-66-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-80-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads