38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4

Analysis

max time kernel
137s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 18:14

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General

Target

38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4.exe
Size

115KB
MD5

12780ae4e54190eeeb100cb4edacc9c5
SHA1

021788144793b1d4e05f33ecb627101292358c4b
SHA256

38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4
SHA512

bde244bf3b245f86cf1daa13ab33e00b26714172a42b1373b0acf31f6aa3d30290d03844181eb7816a2b84db4d8b251b16e7586c1e82ca6ebc132fb2960744e6
SSDEEP

1536:UkoAzrk0MkJaG3Tmi8eCWWAu4+y268gtZYL8677EZ3c:JRzrnMZG318eCWlkyB86ZY468O

Score

7^/10

Malware Config

Signatures

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4.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 568 wrote to memory of 1972	568	38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4.exe	79
PID 568 wrote to memory of 1972	568	38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4.exe	79
PID 568 wrote to memory of 1972	568	38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4.exe	79

C:\Users\Admin\AppData\Local\Temp\38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4.exe
"C:\Users\Admin\AppData\Local\Temp\38a87f42ccf2de30b229029d2468d0555c21b38a90ba5db5a514af5af3d447a4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Yvf..bat" > nul 2> nul
  2⤵
  PID:1972

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\Yvf..bat

Filesize
274B

MD5
28a9b0e4efe4bea7e3fe07a7c80603ba

SHA1
59f068ccc049f03045e8cf2be6c161de02b33db1

SHA256
f2c15e7dd24249e70540cd62405c554e37c50bd0407da9dadc5fd8eb8d32dabc

SHA512
421c0fa5ab13ec3e0433b9a0178e2fca1d32140aae13044d3c8ebb672733d9313c50a44117a10dc69014b3d012665a0f9dd005e459f7c4697d68674832e3e3a4

Download Submit
memory/568-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/568-133-0x0000000000D10000-0x0000000000D22000-memory.dmp

Filesize
72KB

Download
memory/568-134-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/568-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download