be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 06:05

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General

Target

be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3.exe
Size

22KB
MD5

22fc5f065a9ed29d40db87169186d170
SHA1

6b0d269a01438f83441ba06a3b7eee6f6052eea8
SHA256

be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3
SHA512

1c66b31c90b30a05976813e2c5b3af2c4e9f83fbe1c1ac9759bd1eb874b72591a3828cf0e60a644b51f10d459cebe2a920370dce98898233bd759eb85cc4421f
SSDEEP

384:VE5kLIIQaIlI2etwhP7bJTZGOk0+4tdmuQc1PbJv:VEkI+I5eQzbJTZ3fJv

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4816	hfdfjdk.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	hfdfjdk.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 4928 wrote to memory of 4816	4928	be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3.exe	81
PID 4928 wrote to memory of 4816	4928	be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3.exe	81
PID 4928 wrote to memory of 4816	4928	be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3.exe	81

C:\Users\Admin\AppData\Local\Temp\be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3.exe
"C:\Users\Admin\AppData\Local\Temp\be53839b74560cf0350ec1249d7c98780c40dca9cdfe129b81c478876cdc4fa3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Users\Admin\AppData\Local\Temp\hfdfjdk.exe
  "C:\Users\Admin\AppData\Local\Temp\hfdfjdk.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  PID:4816

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\hfdfjdk.exe

Filesize
22KB

MD5
327c1a1e69c1fb9c288c9d488ab8c9f4

SHA1
39931bba1719eabc646825f2381cb61c3b01674e

SHA256
c4484e965762b24bebaca219ee89f0c8a02600c01722d2b4d332659203808201

SHA512
c1bf05243fbcee39403332214b08afff88362223cf42a416587fc15a13d6b6b586e16639a538a76e31a43a8cab9ea9cfafbe951d0cc59ddbaede3b57e7865d6a

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

Filesize
22KB

MD5
327c1a1e69c1fb9c288c9d488ab8c9f4

SHA1
39931bba1719eabc646825f2381cb61c3b01674e

SHA256
c4484e965762b24bebaca219ee89f0c8a02600c01722d2b4d332659203808201

SHA512
c1bf05243fbcee39403332214b08afff88362223cf42a416587fc15a13d6b6b586e16639a538a76e31a43a8cab9ea9cfafbe951d0cc59ddbaede3b57e7865d6a

Download Submit
memory/4816-140-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4928-132-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4928-133-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/4928-137-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download