bd94cd89740b1892257e1eda5c4ba04b1ac6d1c8aaa8bbfb7e0a46a4bac8eb2b

Analysis

max time kernel
23s
max time network
79s
platform
windows10_x64
resource
win10v20210408
submitted
26-07-2021 12:40

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General

Target

bd94cd89740b1892257e1eda5c4ba04b1ac6d1c8aaa8bbfb7e0a46a4bac8eb2b.sample.dll
Size

74KB
MD5

651cfe633c7ee0ea4d5f4d005bcaa207
SHA1

54b68a55196fe748b017b858f61987306a8f5252
SHA256

bd94cd89740b1892257e1eda5c4ba04b1ac6d1c8aaa8bbfb7e0a46a4bac8eb2b
SHA512

0a5cbcf9b36c5a33b471c806538d3274cc68ef39416b25205a18a9d49b3bfad7c17af0f7149e4267767dac0cddd3eac0420088f8498ca6d8ea78942b8ed7fa41

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3612 1308 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3612	1308	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe
3612	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3612 WerFault.exe
Token: SeBackupPrivilege 3612 WerFault.exe
Token: SeDebugPrivilege 3612 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3612	WerFault.exe
Token: SeBackupPrivilege	3612	WerFault.exe
Token: SeDebugPrivilege	3612	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 620 wrote to memory of 1308	620	rundll32.exe	rundll32.exe
PID 620 wrote to memory of 1308	620	rundll32.exe	rundll32.exe
PID 620 wrote to memory of 1308	620	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd94cd89740b1892257e1eda5c4ba04b1ac6d1c8aaa8bbfb7e0a46a4bac8eb2b.sample.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:620

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd94cd89740b1892257e1eda5c4ba04b1ac6d1c8aaa8bbfb7e0a46a4bac8eb2b.sample.dll,#1
2⤵
- Checks processor information in registry
PID:1308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1308 -s 636
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3612

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1308-114-0x0000000000000000-mapping.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads