02d8b132efe46479349be92ee105032ffb4f6451b9439b68df46f3049844db81

General

Target

9ca31c0977758f77bebfd4b77d0aafb5.exe
Size

917KB
MD5

9ca31c0977758f77bebfd4b77d0aafb5
SHA1

8952680a883dcd8941b903ffdb2cc783f370967f
SHA256

02d8b132efe46479349be92ee105032ffb4f6451b9439b68df46f3049844db81
SHA512

750f8252dbba3adee099adf6c3035e4d08f31f15fac638f52c3bb188b66697ca7c0b2a359c2ce0e92718c8b0224ec1b4cf075daa23627ebd6491859f0152353f

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9ca31c0977758f77bebfd4b77d0aafb5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uhexymko = "C:\\Users\\Public\\Libraries\\okmyxehU.url"	9ca31c0977758f77bebfd4b77d0aafb5.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1160 1740 WerFault.exe mshta.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1160 WerFault.exe
1160 WerFault.exe
1160 WerFault.exe
1160 WerFault.exe
1160 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1160 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1160 WerFault.exe

pid	pid_target	process	target process
1160	1740	WerFault.exe	mshta.exe

pid	process
1160	WerFault.exe
1160	WerFault.exe
1160	WerFault.exe
1160	WerFault.exe
1160	WerFault.exe

pid	process
1160	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1160	WerFault.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

9ca31c0977758f77bebfd4b77d0aafb5.exemshta.exe

description	pid	process	target process
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 2012 wrote to memory of 1740	2012	9ca31c0977758f77bebfd4b77d0aafb5.exe	mshta.exe
PID 1740 wrote to memory of 1160	1740	mshta.exe	WerFault.exe
PID 1740 wrote to memory of 1160	1740	mshta.exe	WerFault.exe
PID 1740 wrote to memory of 1160	1740	mshta.exe	WerFault.exe
PID 1740 wrote to memory of 1160	1740	mshta.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\9ca31c0977758f77bebfd4b77d0aafb5.exe
"C:\Users\Admin\AppData\Local\Temp\9ca31c0977758f77bebfd4b77d0aafb5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\mshta.exe
C:\Windows\System32\mshta.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 136
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1160-71-0x0000000000000000-mapping.dmp

Download
memory/1160-73-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1740-65-0x0000000000000000-mapping.dmp

Download
memory/1740-69-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1740-68-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1740-70-0x0000000010590000-0x000000001060C000-memory.dmp

Filesize
496KB

Download
memory/1740-67-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2012-63-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2012-64-0x0000000075D11000-0x0000000075D13000-memory.dmp

Filesize
8KB

Download

Analysis

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