darkcomet | ad3b7f8850afcbe69d1ebc88cfbe86a208fc0620e7a00079ee0e32446c7257f5

General

Target

27a57d1fca8d099b7876b56c82c5d88d.exe
Size

660KB
MD5

27a57d1fca8d099b7876b56c82c5d88d
SHA1

7ef8df1692fb110fe3adaa3fd94e6b1a483c0244
SHA256

ad3b7f8850afcbe69d1ebc88cfbe86a208fc0620e7a00079ee0e32446c7257f5
SHA512

15b7213699c19b23ca42be95f7db12cd23e1b67532642072fcdb1bb4246b2c24dec73ac69b01966d5b0135223c1bbf4d29a51435dc973659ebe6efb8c49749e3
SSDEEP

12288:wX2JVHMRtDaSm3TJvVNvWV5YTsY7tHwbz/htfcoCoK632zb7G/Q0e:2ss2Sm39NNv9wY7tHwbzfIoK6MoG

Score

10^/10

darkcomet 777 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

777

C2

mandoo.no-ip.org:3366

Mutex

DC_MUTEX-7UAXXG6

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
hvljDtRVRRkE
install
true
offline_keylogger
true
password
1443813678
persistence
true
reg_key
MicroUpdate

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

T1547.004

Modify Registry

T1112

Processes:

27a57d1fca8d099b7876b56c82c5d88d.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	27a57d1fca8d099b7876b56c82c5d88d.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

2804 attrib.exe
2800 attrib.exe

pid	process
2804	attrib.exe
2800	attrib.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

27a57d1fca8d099b7876b56c82c5d88d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	27a57d1fca8d099b7876b56c82c5d88d.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

27a57d1fca8d099b7876b56c82c5d88d.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeSecurityPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeTakeOwnershipPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeLoadDriverPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeSystemProfilePrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeSystemtimePrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeProfSingleProcessPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeIncBasePriorityPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeCreatePagefilePrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeBackupPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeRestorePrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeShutdownPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeDebugPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeSystemEnvironmentPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeChangeNotifyPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeRemoteShutdownPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeUndockPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeManageVolumePrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeImpersonatePrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: SeCreateGlobalPrivilege	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: 33	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: 34	2244	27a57d1fca8d099b7876b56c82c5d88d.exe
Token: 35	2244	27a57d1fca8d099b7876b56c82c5d88d.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

27a57d1fca8d099b7876b56c82c5d88d.execmd.exe

description	pid	process	target process
PID 2244 wrote to memory of 2784	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	cmd.exe
PID 2244 wrote to memory of 2784	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	cmd.exe
PID 2244 wrote to memory of 2784	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	cmd.exe
PID 2244 wrote to memory of 2784	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	cmd.exe
PID 2244 wrote to memory of 2816	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	cmd.exe
PID 2244 wrote to memory of 2816	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	cmd.exe
PID 2244 wrote to memory of 2816	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	cmd.exe
PID 2244 wrote to memory of 2816	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	cmd.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2244 wrote to memory of 2788	2244	27a57d1fca8d099b7876b56c82c5d88d.exe	notepad.exe
PID 2784 wrote to memory of 2800	2784	cmd.exe	attrib.exe
PID 2784 wrote to memory of 2800	2784	cmd.exe	attrib.exe
PID 2784 wrote to memory of 2800	2784	cmd.exe	attrib.exe
PID 2784 wrote to memory of 2800	2784	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2804 attrib.exe
2800 attrib.exe

pid	process
2804	attrib.exe
2800	attrib.exe

C:\Users\Admin\AppData\Local\Temp\27a57d1fca8d099b7876b56c82c5d88d.exe
"C:\Users\Admin\AppData\Local\Temp\27a57d1fca8d099b7876b56c82c5d88d.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\27a57d1fca8d099b7876b56c82c5d88d.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\27a57d1fca8d099b7876b56c82c5d88d.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2800

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
PID:2788

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
PID:2816

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
PID:2612

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
1⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2804

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
1⤵
PID:2624

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
PID:1744

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1744-68-0x0000000001D10000-0x0000000001D11000-memory.dmp

Filesize
4KB

Download
memory/2244-0-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2244-32-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2612-33-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2612-36-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2624-35-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2788-23-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2788-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads