d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195

Analysis

max time kernel
157s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 16:57

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General

Target

d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe
Size

3.7MB
MD5

443129f38943d70a67cab143c6c06a02
SHA1

4697c23f629150282648cad66cf103c9efea9dba
SHA256

d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195
SHA512

55190639d97dc5f9c656ca3852e253ec56b2cc7842310a2f58093b5279e6e189992afe5e6458dc112aaa84210cdd5b0abdb4f1db9ed558dd22e2a43dc40b34bc
SSDEEP

98304:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXMNgvHNIekdwLBWd5:gN+Cw62Nrv0fXMNetIPwL85

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe

pid process

1404 d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{346F080C-7016-4921-A5FC-298187A838B4}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{5C973BAD-E58A-4014-9875-701980639E36}.catalogItem	svchost.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

1456 1404 WerFault.exe d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe

pid	pid_target	process	target process
1456	1404	WerFault.exe	d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.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:

svchost.exe

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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

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

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe

pid	process
1404	d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe
1404	d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe
1404	d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe
1404	d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe

C:\Users\Admin\AppData\Local\Temp\d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe
"C:\Users\Admin\AppData\Local\Temp\d4d480f3d060b2ff098a3760af91086444b270e9c21d9be8d27510092296c195.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 1308
2⤵
- Program crash
PID:1456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 1404 -ip 1404
1⤵
PID:1928

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\11278446806\LZMA.dll
Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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