dcbbae5a1c61dbbbb7dcd6dc5dd1eb1169f5329958d38b58c3fd9384081c9b78

General

Target

test1.exe
Size

209KB
MD5

14c8482f302b5e81e3fa1b18a509289d
SHA1

16525cb2fd86dce842107eb1ba6174b23f188537
SHA256

dcbbae5a1c61dbbbb7dcd6dc5dd1eb1169f5329958d38b58c3fd9384081c9b78
SHA512

fdaaac4ee73db90f69dc43a20f24d8f80a2f659288d28538c6fd1946b8861bb161b41ad3bcd65d16843cd21350e95c606f991a990110e100029b58abce978353

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1672 created 1600 1672 WerFault.exe test1.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

test1.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation test1.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3344 1600 WerFault.exe test1.exe

description	pid	process	target process
PID 1672 created 1600	1672	WerFault.exe	test1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	test1.exe

pid	pid_target	process	target process
3344	1600	WerFault.exe	test1.exe

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exeMusNotification.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exeWerFault.exe

pid process

2908 powershell.exe
2908 powershell.exe
3872 powershell.exe
3872 powershell.exe
3344 WerFault.exe
3344 WerFault.exe

pid	process
2908	powershell.exe
2908	powershell.exe
3872	powershell.exe
3872	powershell.exe
3344	WerFault.exe
3344	WerFault.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

powershell.exeMusNotification.exepowershell.exetest1.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	2908	powershell.exe
Token: SeShutdownPrivilege	1468	MusNotification.exe
Token: SeCreatePagefilePrivilege	1468	MusNotification.exe
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeDebugPrivilege	1600	test1.exe
Token: SeRestorePrivilege	3344	WerFault.exe
Token: SeBackupPrivilege	3344	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

test1.exeWerFault.exe

description	pid	process	target process
PID 1600 wrote to memory of 2908	1600	test1.exe	powershell.exe
PID 1600 wrote to memory of 2908	1600	test1.exe	powershell.exe
PID 1600 wrote to memory of 2908	1600	test1.exe	powershell.exe
PID 1600 wrote to memory of 3872	1600	test1.exe	powershell.exe
PID 1600 wrote to memory of 3872	1600	test1.exe	powershell.exe
PID 1600 wrote to memory of 3872	1600	test1.exe	powershell.exe
PID 1672 wrote to memory of 1600	1672	WerFault.exe	test1.exe
PID 1672 wrote to memory of 1600	1672	WerFault.exe	test1.exe

C:\Users\Admin\AppData\Local\Temp\test1.exe
"C:\Users\Admin\AppData\Local\Temp\test1.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2908

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 2044
2⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3344

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1600 -ip 1600
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1672

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
MD5
4280e36a29fa31c01e4d8b2ba726a0d8

SHA1
c485c2c9ce0a99747b18d899b71dfa9a64dabe32

SHA256
e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

SHA512
494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
4bdae8faa54841817a8dd679e707f3da

SHA1
0bd145fe559befb77a5f8e0a7044de03c2572867

SHA256
7106ef5a35cac41fe109ccf69c1381eadedc16203ced603ef57eaa83f62d133e

SHA512
f3fb7a51c9e0174fb4dabdaf572de1a293df52776f14d3cf4d39722293be1a744c6b25730c62098c383c3af4f6d87276fe577885b624b140b4d98686c128b2ed

Download Submit
memory/1600-131-0x0000000000270000-0x00000000002A0000-memory.dmp

Filesize
192KB

Download
memory/1600-132-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/1600-165-0x0000000004CB0000-0x0000000005254000-memory.dmp

Filesize
5.6MB

Download
memory/1600-130-0x0000000000270000-0x00000000002A0000-memory.dmp

Filesize
192KB

Download
memory/2908-140-0x0000000007C70000-0x0000000007C92000-memory.dmp

Filesize
136KB

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memory/2908-143-0x00000000084C0000-0x00000000084DE000-memory.dmp

Filesize
120KB

Download
memory/2908-137-0x0000000004F10000-0x0000000004F11000-memory.dmp

Filesize
4KB

Download
memory/2908-139-0x0000000007640000-0x0000000007C68000-memory.dmp

Filesize
6.2MB

Download
memory/2908-136-0x0000000004EC0000-0x0000000004EF6000-memory.dmp

Filesize
216KB

Download
memory/2908-141-0x0000000007D10000-0x0000000007D76000-memory.dmp

Filesize
408KB

Download
memory/2908-142-0x0000000007D80000-0x0000000007DE6000-memory.dmp

Filesize
408KB

Download
memory/2908-138-0x0000000004F12000-0x0000000004F13000-memory.dmp

Filesize
4KB

Download
memory/2908-144-0x0000000009D00000-0x000000000A37A000-memory.dmp

Filesize
6.5MB

Download
memory/2908-145-0x00000000089C0000-0x00000000089DA000-memory.dmp

Filesize
104KB

Download
memory/2908-146-0x0000000004F15000-0x0000000004F17000-memory.dmp

Filesize
8KB

Download
memory/2908-147-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/2908-135-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/2908-134-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/2908-133-0x0000000000000000-mapping.dmp

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memory/3872-148-0x0000000000000000-mapping.dmp

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memory/3872-152-0x0000000004E80000-0x0000000004EB6000-memory.dmp

Filesize
216KB

Download
memory/3872-153-0x00000000076B0000-0x0000000007CD8000-memory.dmp

Filesize
6.2MB

Download
memory/3872-155-0x0000000005032000-0x0000000005033000-memory.dmp

Filesize
4KB

Download
memory/3872-154-0x0000000005030000-0x0000000005031000-memory.dmp

Filesize
4KB

Download
memory/3872-156-0x00000000075B0000-0x00000000075D2000-memory.dmp

Filesize
136KB

Download
memory/3872-158-0x0000000007F00000-0x0000000007F66000-memory.dmp

Filesize
408KB

Download
memory/3872-157-0x0000000007E90000-0x0000000007EF6000-memory.dmp

Filesize
408KB

Download
memory/3872-151-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

Download
memory/3872-160-0x00000000084F0000-0x000000000850E000-memory.dmp

Filesize
120KB

Download
memory/3872-161-0x0000000009D40000-0x000000000A3BA000-memory.dmp

Filesize
6.5MB

Download
memory/3872-162-0x0000000008960000-0x000000000897A000-memory.dmp

Filesize
104KB

Download
memory/3872-163-0x0000000005035000-0x0000000005037000-memory.dmp

Filesize
8KB

Download
memory/3872-164-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

Download
memory/3872-150-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads