f58a4f2b319297a256f6b2d77237804c15323dd5e72a0e3a4bfc27cdd0bb0b86 | Triage

Analysis

max time kernel
13s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
05-05-2021 20:25

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General

Target

f58a4f2b319297a256f6b2d77237804c15323dd5e72a0e3a4bfc27cdd0bb0b86.dll
Size

28KB
MD5

6a3a0d3d239f04ffd0666b522b8fcbaa
SHA1

8306820209e008945315b4e5efd01ba597e4ee0e
SHA256

f58a4f2b319297a256f6b2d77237804c15323dd5e72a0e3a4bfc27cdd0bb0b86
SHA512

dbb24ac239c6a27e4aef524fd90a25798a8e2f5fd23f39d2179d26a71775876289f1f79076c25ed9d8eb8b7eb8daa02d24295f3679802485434d56bf3494676c

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1136 496 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1136 WerFault.exe
Token: SeBackupPrivilege 1136 WerFault.exe
Token: SeDebugPrivilege 1136 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2204 wrote to memory of 496	2204	rundll32.exe	rundll32.exe
PID 2204 wrote to memory of 496	2204	rundll32.exe	rundll32.exe
PID 2204 wrote to memory of 496	2204	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f58a4f2b319297a256f6b2d77237804c15323dd5e72a0e3a4bfc27cdd0bb0b86.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f58a4f2b319297a256f6b2d77237804c15323dd5e72a0e3a4bfc27cdd0bb0b86.dll,#1
2⤵
PID:496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 496 -s 660
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136

MITRE ATT&CK Matrix

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Downloads

memory/496-114-0x0000000000000000-mapping.dmp

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