acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0

Analysis

max time kernel
149s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 23:09

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General

Target

acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe
Size

41KB
MD5

6524aa014ee024031dbadc664e1b0126
SHA1

537aa8beb65293b9e9940e7bf2aeac880191438f
SHA256

acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0
SHA512

e878d53b30f840be0b873a8876c669a0a274956ccf81cccccfde36379ad39563e8bc37dd6030b97ec279d75d32611b158ad7b4f7960f7d8c8bb5e6dd1cb32e99
SSDEEP

768:QGBar1ZIZYnfI9opm6AIHIjaI7g9mVmUnmoNE/W5dRV8:fW1ZIZqI9opm6AIHIjzmUHNzd

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3276	sxhost.exe

Checks computer location settings 2 TTPs 2 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	acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	sxhost.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 9 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 3276	4028	acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe	80
PID 4028 wrote to memory of 3276	4028	acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe	80
PID 4028 wrote to memory of 3276	4028	acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe	80
PID 4028 wrote to memory of 4336	4028	acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe	81
PID 4028 wrote to memory of 4336	4028	acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe	81
PID 4028 wrote to memory of 4336	4028	acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe	81
PID 3276 wrote to memory of 2732	3276	sxhost.exe	83
PID 3276 wrote to memory of 2732	3276	sxhost.exe	83
PID 3276 wrote to memory of 2732	3276	sxhost.exe	83

C:\Users\Admin\AppData\Local\Temp\acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe
"C:\Users\Admin\AppData\Local\Temp\acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Users\Admin\sxhost.exe
  "C:\Users\Admin\sxhost.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3276
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\sxhost.exe >> NUL
    3⤵
    PID:2732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\ACF4A5~1.EXE >> NUL
  2⤵
  PID:4336

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\sxhost.exe

Filesize
41KB

MD5
6524aa014ee024031dbadc664e1b0126

SHA1
537aa8beb65293b9e9940e7bf2aeac880191438f

SHA256
acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0

SHA512
e878d53b30f840be0b873a8876c669a0a274956ccf81cccccfde36379ad39563e8bc37dd6030b97ec279d75d32611b158ad7b4f7960f7d8c8bb5e6dd1cb32e99

Download Submit
C:\Users\Admin\sxhost.exe

Filesize
41KB

MD5
6524aa014ee024031dbadc664e1b0126

SHA1
537aa8beb65293b9e9940e7bf2aeac880191438f

SHA256
acf4a55c9dce455738d9616aee08d781eda7e780aabc49c47d2bfa51f713eaf0

SHA512
e878d53b30f840be0b873a8876c669a0a274956ccf81cccccfde36379ad39563e8bc37dd6030b97ec279d75d32611b158ad7b4f7960f7d8c8bb5e6dd1cb32e99

Download Submit