darkcomet | ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05

General

Target

ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
Size

864KB
MD5

17875d9e3865227c6ccaf732edc01906
SHA1

8c35f0870026545d60ae68f488f8bb5b97a3da1d
SHA256

ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05
SHA512

a6fa0ac5b5846e0e34e2cc2fd22ceef56bc14cdd03dc0926b360927c438939dff64a2ca1564da6b93f5fbe115156809076cf10179c500379368dac612d22a14b
SSDEEP

24576:eJJ/vxZRvmGa0/xHP8ueilAKw4uBhfmrlHj:w/JZRDzpHP8uf6pmdj

Score

10^/10

darkcomet dc8-23 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

DC8-23

C2

dctx.duckdns.org:200

Mutex

DC_MUTEX-P8HGWPL

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
TBEQV3sBL45t
install
true
offline_keylogger
true
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

T1004

Modify Registry

T1112

Processes:

vbc.exe

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

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Modify Existing Service
T1031

Processes:

vbc.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" vbc.exe
Windows security bypass 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

vbc.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" vbc.exe
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

328 msdcsc.exe
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1388 attrib.exe
Loads dropped DLL 1 IoCs

Processes:

vbc.exe

pid process

1316 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	vbc.exe

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

pid	process
328	msdcsc.exe

pid	process
1388	attrib.exe

pid	process
1316	vbc.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exevbc.exevbc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Apple iPhone = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe"	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	vbc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe

description	pid	process	target process
PID 2040 set thread context of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 set thread context of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe

Drops file in Windows directory 1 IoCs

Processes:

attrib.exe

description ioc process

File opened for modification C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe attrib.exe

description	ioc	process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe	attrib.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe

pid	process
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exevbc.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
Token: SeIncreaseQuotaPrivilege	1316	vbc.exe
Token: SeSecurityPrivilege	1316	vbc.exe
Token: SeTakeOwnershipPrivilege	1316	vbc.exe
Token: SeLoadDriverPrivilege	1316	vbc.exe
Token: SeSystemProfilePrivilege	1316	vbc.exe
Token: SeSystemtimePrivilege	1316	vbc.exe
Token: SeProfSingleProcessPrivilege	1316	vbc.exe
Token: SeIncBasePriorityPrivilege	1316	vbc.exe
Token: SeCreatePagefilePrivilege	1316	vbc.exe
Token: SeBackupPrivilege	1316	vbc.exe
Token: SeRestorePrivilege	1316	vbc.exe
Token: SeShutdownPrivilege	1316	vbc.exe
Token: SeDebugPrivilege	1316	vbc.exe
Token: SeSystemEnvironmentPrivilege	1316	vbc.exe
Token: SeChangeNotifyPrivilege	1316	vbc.exe
Token: SeRemoteShutdownPrivilege	1316	vbc.exe
Token: SeUndockPrivilege	1316	vbc.exe
Token: SeManageVolumePrivilege	1316	vbc.exe
Token: SeImpersonatePrivilege	1316	vbc.exe
Token: SeCreateGlobalPrivilege	1316	vbc.exe
Token: 33	1316	vbc.exe
Token: 34	1316	vbc.exe
Token: 35	1316	vbc.exe
Token: SeIncreaseQuotaPrivilege	1096	vbc.exe
Token: SeSecurityPrivilege	1096	vbc.exe
Token: SeTakeOwnershipPrivilege	1096	vbc.exe
Token: SeLoadDriverPrivilege	1096	vbc.exe
Token: SeSystemProfilePrivilege	1096	vbc.exe
Token: SeSystemtimePrivilege	1096	vbc.exe
Token: SeProfSingleProcessPrivilege	1096	vbc.exe
Token: SeIncBasePriorityPrivilege	1096	vbc.exe
Token: SeCreatePagefilePrivilege	1096	vbc.exe
Token: SeBackupPrivilege	1096	vbc.exe
Token: SeRestorePrivilege	1096	vbc.exe
Token: SeShutdownPrivilege	1096	vbc.exe
Token: SeDebugPrivilege	1096	vbc.exe
Token: SeSystemEnvironmentPrivilege	1096	vbc.exe
Token: SeChangeNotifyPrivilege	1096	vbc.exe
Token: SeRemoteShutdownPrivilege	1096	vbc.exe
Token: SeUndockPrivilege	1096	vbc.exe
Token: SeManageVolumePrivilege	1096	vbc.exe
Token: SeImpersonatePrivilege	1096	vbc.exe
Token: SeCreateGlobalPrivilege	1096	vbc.exe
Token: 33	1096	vbc.exe
Token: 34	1096	vbc.exe
Token: 35	1096	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

1096 vbc.exe

pid	process
1096	vbc.exe

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exevbc.execmd.exevbc.exe

description	pid	process	target process
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1316	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 1316 wrote to memory of 1932	1316	vbc.exe	cmd.exe
PID 1316 wrote to memory of 1932	1316	vbc.exe	cmd.exe
PID 1316 wrote to memory of 1932	1316	vbc.exe	cmd.exe
PID 1316 wrote to memory of 1932	1316	vbc.exe	cmd.exe
PID 1316 wrote to memory of 328	1316	vbc.exe	msdcsc.exe
PID 1316 wrote to memory of 328	1316	vbc.exe	msdcsc.exe
PID 1316 wrote to memory of 328	1316	vbc.exe	msdcsc.exe
PID 1316 wrote to memory of 328	1316	vbc.exe	msdcsc.exe
PID 1932 wrote to memory of 1388	1932	cmd.exe	attrib.exe
PID 1932 wrote to memory of 1388	1932	cmd.exe	attrib.exe
PID 1932 wrote to memory of 1388	1932	cmd.exe	attrib.exe
PID 1932 wrote to memory of 1388	1932	cmd.exe	attrib.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 2040 wrote to memory of 1096	2040	ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe	vbc.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe
PID 1096 wrote to memory of 1808	1096	vbc.exe	notepad.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1388 attrib.exe

pid	process
1388	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe
"C:\Users\Admin\AppData\Local\Temp\ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
2⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
4⤵
- Sets file to hidden
- Drops file in Windows directory
- Views/modifies file attributes
PID:1388

C:\MSDCSC\msdcsc.exe
"C:\MSDCSC\msdcsc.exe"
3⤵
- Executes dropped EXE
PID:328

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
2⤵
- Modifies security service
- Windows security bypass
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:1808

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Winlogon Helper DLL

1

T1004

Modify Existing Service

1

T1031

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

4

T1112

Disabling Security Tools

1

T1089

Hidden Files and Directories

2

T1158

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\MSDCSC\msdcsc.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
C:\MSDCSC\msdcsc.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
\MSDCSC\msdcsc.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/328-78-0x0000000000000000-mapping.dmp

Download
memory/1096-106-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1096-102-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1096-101-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1096-98-0x000000000048F888-mapping.dmp

Download
memory/1316-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-70-0x000000000048F888-mapping.dmp

Download
memory/1316-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1316-82-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1388-81-0x0000000000000000-mapping.dmp

Download
memory/1808-103-0x0000000000000000-mapping.dmp

Download
memory/1932-76-0x0000000000000000-mapping.dmp

Download
memory/2040-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/2040-105-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2040-73-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads