c4638069ee4cc84cbeda570f32a5742ddf8a07830ed82f078d7f77d0369774ef | Triage

Analysis

max time kernel
119s
max time network
120s
platform
windows10_x64
resource
win10
submitted
25-10-2020 23:55

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General

Target

MarioBitcoinMiner2020/liblzo2-2.dll

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1124 3552 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe
1124	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1124 WerFault.exe
Token: SeBackupPrivilege 1124 WerFault.exe
Token: SeDebugPrivilege 1124 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3980 wrote to memory of 3552	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 3552	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 3552	3980	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MarioBitcoinMiner2020\liblzo2-2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MarioBitcoinMiner2020\liblzo2-2.dll,#1
2⤵
PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 616
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1124

MITRE ATT&CK Matrix

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Downloads

memory/1124-1-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

Filesize
4KB

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memory/1124-4-0x0000000005530000-0x0000000005531000-memory.dmp

Filesize
4KB

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memory/3552-0-0x0000000000000000-mapping.dmp

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memory/3552-3-0x0000000000000000-mapping.dmp

Download
memory/3552-2-0x0000000000000000-mapping.dmp

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