48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35

Analysis

max time kernel
91s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2022, 08:45

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General

Target

48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35.exe
Size

2.0MB
MD5

ae317b73c8a9f8af7cb34d6fd56ba8ab
SHA1

9b9856c484351d3874fc808a4cf3075b34af0ca1
SHA256

48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35
SHA512

dbac66f7cfadaf964b4328b4e0d5e736625252c25f25afbcc7905a65b870cf5ee55632ff7cabd44dff4e1d57b5a6b6671e032412987f9e548edae8af54bdb459
SSDEEP

49152:HN8hNWRJwlJyVVKQPTcdepaKkhL3Us0oRiRu:H6hKJ6kVKQ2epaKkhL3Us0oRiR

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4740	WorkinToolDataRecovery_un_asa.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 4740	2148	48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35.exe	81
PID 2148 wrote to memory of 4740	2148	48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35.exe	81
PID 2148 wrote to memory of 4740	2148	48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35.exe	81

C:\Users\Admin\AppData\Local\Temp\48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35.exe
"C:\Users\Admin\AppData\Local\Temp\48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\~HuDunTemp.92482B06FB471E17\WorkinToolDataRecovery_un_asa.exe
  "C:\Users\Admin\AppData\Local\Temp\~HuDunTemp.92482B06FB471E17\WorkinToolDataRecovery_un_asa.exe" -instdir="Test"
  2⤵
  - Executes dropped EXE
  PID:4740

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\~HuDunTemp.92482B06FB471E17\WorkinToolDataRecovery_un_asa.exe

Filesize
2.0MB

MD5
ae317b73c8a9f8af7cb34d6fd56ba8ab

SHA1
9b9856c484351d3874fc808a4cf3075b34af0ca1

SHA256
48e2533e97891e7e419b33979c18bf7551eda9d52c18423e14288ad02583fb35

SHA512
dbac66f7cfadaf964b4328b4e0d5e736625252c25f25afbcc7905a65b870cf5ee55632ff7cabd44dff4e1d57b5a6b6671e032412987f9e548edae8af54bdb459

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