fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1

Analysis

max time kernel
131s
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
20/10/2022, 15:20

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General

Target

fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1.exe
Size

17KB
MD5

a06a13d0bb4d4d7b7edb8a0ba0b6f1c0
SHA1

f29acbf131391408206fffea6b65b86e876ee9f8
SHA256

fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1
SHA512

b31c8cddcf6088f2d447430c16ef0f0d42ff3bc41fa676485be6afe9f14a90cffcdf1c11b8b33f10b2483c0721cc21ad8ad582743f58c80fb638877bff0b3a3f
SSDEEP

192:uMtTRw9DFjvJ7Eh/f+cbmYb8Wg5UqrUwkunhn2MJGEyog1MM4APTK7YyTw:u2T+/jvJ7+gFrJk04OMcYys

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
636	comupdater.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1.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 1972 wrote to memory of 636	1972	fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1.exe	82
PID 1972 wrote to memory of 636	1972	fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1.exe	82
PID 1972 wrote to memory of 636	1972	fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1.exe	82

C:\Users\Admin\AppData\Local\Temp\fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1.exe
"C:\Users\Admin\AppData\Local\Temp\fbf450c45370de4fcf249495700c1d3d3be29edb44cb9b468cfafc7ba42172f1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\comupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\comupdater.exe"
  2⤵
  - Executes dropped EXE
  PID:636

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\comupdater.exe

Filesize
17KB

MD5
4ddbd62d4a4ca1d81e125a37a26910f5

SHA1
89b54a5a8bd66f2028505d30e074362fc99f02f5

SHA256
474dc28af8491f74d7d6e4ca8812e11c4d3921dda92334ad8e76874bb6d6461f

SHA512
d620e18db7a5463cc0aae8bfbe605a6cd456861300a5cb48bb659c504e4b32e377c7e353688e44cc3aaf608d0b2d36a69ace58db242c5428473ee028a6953a07

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C:\Users\Admin\AppData\Local\Temp\comupdater.exe

Filesize
17KB

MD5
4ddbd62d4a4ca1d81e125a37a26910f5

SHA1
89b54a5a8bd66f2028505d30e074362fc99f02f5

SHA256
474dc28af8491f74d7d6e4ca8812e11c4d3921dda92334ad8e76874bb6d6461f

SHA512
d620e18db7a5463cc0aae8bfbe605a6cd456861300a5cb48bb659c504e4b32e377c7e353688e44cc3aaf608d0b2d36a69ace58db242c5428473ee028a6953a07

Download Submit