8f9db949c11d775ead140f4e9198a1dad03eb12bfcbae43e852613dee573aec9

Resubmissions

13-06-2022 00:03

220613-ab3m8agfg8 10

16-05-2022 03:16

220516-dshk6aeadk 8

Analysis

max time kernel
171s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
16-05-2022 03:16

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General

Target

What is a sox.exe
Size

278.0MB
MD5

f6a360ff5cc2fad625a18ab7064ea05d
SHA1

5002176424bbebae11e12e144d10ebe06719beae
SHA256

237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e
SHA512

10e692fb6f2cc4ebcef2bf45418a72f8aabb1312e2ed8714dbc9d6d253b675fe5b589d1c6a2e91f6d85dc22115139209255bf14dc00fbfbf91072930ca780de8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5048	AtavAc.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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	What is a sox.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 5 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 5048	1300	What is a sox.exe	89
PID 1300 wrote to memory of 5048	1300	What is a sox.exe	89
PID 1300 wrote to memory of 5048	1300	What is a sox.exe	89
PID 1300 wrote to memory of 2276	1300	What is a sox.exe	90
PID 1300 wrote to memory of 2276	1300	What is a sox.exe	90

C:\Users\Admin\AppData\Local\Temp\What is a sox.exe
"C:\Users\Admin\AppData\Local\Temp\What is a sox.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\AtavAc.exe
  "C:\Users\Admin\AppData\Local\Temp\AtavAc.exe"
  2⤵
  - Executes dropped EXE
  PID:5048
- C:\Users\Admin\AppData\Local\Temp\What is a sox.exe
  "C:\Users\Admin\AppData\Local\Temp\What is a sox.exe" /s
  2⤵
  PID:2276

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\AtavAc.exe

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
C:\Users\Admin\AppData\Local\Temp\AtavAc.exe

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
memory/1300-130-0x000001C92C8E0000-0x000001C92CB1E000-memory.dmp

Filesize
2.2MB

Download
memory/1300-131-0x00007FFD421C0000-0x00007FFD42C81000-memory.dmp

Filesize
10.8MB

Download
memory/2276-136-0x00007FFD421C0000-0x00007FFD42C81000-memory.dmp

Filesize
10.8MB

Download