58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25/06/2022, 17:37

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df.exe
Size 337KB
Sample220625-v645rafhd2
SHA256 58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df
MD5 8f4b62ca3f67913f70263dcb2006bc33
SHA1 c1962b906b2218a7965f48e943c2e2ccf16f9632
SHA512 2b13a3bd3b8748cb458878b7632814a2638ed5d079107782e09a2d7544e21944d0ef75b479246d04aeab6c802ab266724f784e2524340a5eed622764b6df8eda
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2284	start.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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2284	start.exe
2284	start.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2284	start.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2284	2416	58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df.exe	80
PID 2416 wrote to memory of 2284	2416	58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df.exe	80
PID 2416 wrote to memory of 2284	2416	58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df.exe	80

C:\Users\Admin\AppData\Local\Temp\58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df.exe
"C:\Users\Admin\AppData\Local\Temp\58704564529d35facea850f67d6af8a8a3150acc0f86e578660157bc2e2bd8df.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  PID:2284

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

Loading Replay Monitor...

Downloads

start.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe
Size 41KB
SHA256 27d22e2fb09e101ec13d9dc16bf743d6a49111c3205ea9127d1733696c3afbe1
MD5 2b736720e2c2674b8037a03266574048
SHA1 b0fccf6893442467f1c8a7f05783d1f1ea27fa74
SHA512 70c6458db107dc7254abc61508f014fe40f11a733d043cc1388113ef2887dcb666656d65a51d61fa65fff25ede393e4a99bf6a9976a895255f5807e57abfad94
SSDEEP 768:SvEAd5WmLMO06JJT3ADF0+qH/f0WTt6FSkKYf6R08:SvEBmLRTR+qH/f0DSxBR08
MD5 SHA1 SHA512 SSDEEP

Submit Download

start.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe
Size 41KB
SHA256 27d22e2fb09e101ec13d9dc16bf743d6a49111c3205ea9127d1733696c3afbe1
MD5 2b736720e2c2674b8037a03266574048
SHA1 b0fccf6893442467f1c8a7f05783d1f1ea27fa74
SHA512 70c6458db107dc7254abc61508f014fe40f11a733d043cc1388113ef2887dcb666656d65a51d61fa65fff25ede393e4a99bf6a9976a895255f5807e57abfad94
SSDEEP 768:SvEAd5WmLMO06JJT3ADF0+qH/f0WTt6FSkKYf6R08:SvEBmLRTR+qH/f0DSxBR08
MD5 SHA1 SHA512 SSDEEP

Submit Download