1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

Analysis

max time kernel
98s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 04:23

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General

Target

1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe
Size

79KB
MD5

cda0c33697c8b3affc278a4a5d437933
SHA1

4c50d2047ff9625f4ef39329336f8794bcf2be70
SHA256

1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510
SHA512

83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb
SSDEEP

1536:HEZ1KuodTWDaGUYPLjTewFCBt678sp1NK9e:SoBWDHUYqwFCBg7dp1Nl

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

update.exe

pid process

900 update.exe

pid	process
900	update.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

Processes:

1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.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

Processes:

1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe

description	pid	process	target process
PID 4604 wrote to memory of 900	4604	1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe	update.exe
PID 4604 wrote to memory of 900	4604	1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe	update.exe
PID 4604 wrote to memory of 900	4604	1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe	update.exe

C:\Users\Admin\AppData\Local\Temp\1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe
"C:\Users\Admin\AppData\Local\Temp\1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4604

C:\Users\Admin\AppData\Roaming\update.exe
"C:\Users\Admin\AppData\Roaming\update.exe"
2⤵
- Executes dropped EXE
PID:900

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\update.exe
Filesize
79KB

MD5
cda0c33697c8b3affc278a4a5d437933

SHA1
4c50d2047ff9625f4ef39329336f8794bcf2be70

SHA256
1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

SHA512
83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

Download Submit
C:\Users\Admin\AppData\Roaming\update.exe
Filesize
79KB

MD5
cda0c33697c8b3affc278a4a5d437933

SHA1
4c50d2047ff9625f4ef39329336f8794bcf2be70

SHA256
1a296abe006e502766ce30ed01620087bdfc69db4a8d3574ddd851a128f85510

SHA512
83bf23b5e2fffadc2aae29bce4ffbf5719618d72c68fd8b8c37bf51fbcf293878894dfb9eb369e474768e171c72f248c1c98ee095b5e33fdab17615a9937b7eb

Download Submit
memory/900-134-0x0000000000000000-mapping.dmp

Download
memory/900-137-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/900-138-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/4604-132-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/4604-133-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/4604-139-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download