23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 21:08

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General

Target

23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe
Size

1.7MB
MD5

90bb791df80b2da1e66e89b470263166
SHA1

f3001e7c145061cb805aee50899bd26ec2012ffe
SHA256

23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320
SHA512

76fc6dfb08c520585c637e726f3c28584e5185b1ebdc719a01320c209dc678a3ac3d2b3aada900d9274221d6ba7f7269e57514a22b9fb1dfc57c02e4d221ee11
SSDEEP

49152:VLYgseYu63KVX10jlxG20ZCijNY25emwQ:VLYkY33KxyjlxG2Zp2gfQ

Score

7^/10

Malware Config

Signatures

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:

23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exe

pid process

3500 regsvr32.exe
3500 regsvr32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
3500	regsvr32.exe
3500	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe

description	pid	process	target process
PID 2256 wrote to memory of 3500	2256	23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe	regsvr32.exe
PID 2256 wrote to memory of 3500	2256	23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe	regsvr32.exe
PID 2256 wrote to memory of 3500	2256	23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe
"C:\Users\Admin\AppData\Local\Temp\23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" VrkuI~m.4v -u -s
2⤵
- Loads dropped DLL
PID:3500

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\Local\Temp\VrkuI~m.4v
Filesize
1.7MB

MD5
08c5ec5aaea6124a6046de321c7739a4

SHA1
7c46630b56c733f38d6733c0cbf6613c93b097c2

SHA256
448b3200ae06bb3e6fd4f248c1a7ae3cdffb3f7e72d4b34fb8b44f4d023abf2f

SHA512
36e55cab6180f84f3ee43dc075a98f543bba4136229962becd52c84b8f9f247323e04b157e9535fdcc23dbaa0548fbe0f5c99c4a8f516f8ff271605cd2bd378a

Download Submit
C:\Users\Admin\AppData\Local\Temp\VrkuI~m.4v
Filesize
1.7MB

MD5
08c5ec5aaea6124a6046de321c7739a4

SHA1
7c46630b56c733f38d6733c0cbf6613c93b097c2

SHA256
448b3200ae06bb3e6fd4f248c1a7ae3cdffb3f7e72d4b34fb8b44f4d023abf2f

SHA512
36e55cab6180f84f3ee43dc075a98f543bba4136229962becd52c84b8f9f247323e04b157e9535fdcc23dbaa0548fbe0f5c99c4a8f516f8ff271605cd2bd378a

Download Submit
C:\Users\Admin\AppData\Local\Temp\VrkuI~m.4v
Filesize
1.7MB

MD5
08c5ec5aaea6124a6046de321c7739a4

SHA1
7c46630b56c733f38d6733c0cbf6613c93b097c2

SHA256
448b3200ae06bb3e6fd4f248c1a7ae3cdffb3f7e72d4b34fb8b44f4d023abf2f

SHA512
36e55cab6180f84f3ee43dc075a98f543bba4136229962becd52c84b8f9f247323e04b157e9535fdcc23dbaa0548fbe0f5c99c4a8f516f8ff271605cd2bd378a

Download Submit
memory/3500-132-0x0000000000000000-mapping.dmp

Download
memory/3500-136-0x0000000001FC0000-0x0000000002183000-memory.dmp

Filesize
1.8MB

Download
memory/3500-137-0x00000000024A0000-0x00000000025B4000-memory.dmp

Filesize
1.1MB

Download
memory/3500-138-0x00000000026E0000-0x00000000027F4000-memory.dmp

Filesize
1.1MB

Download
memory/3500-139-0x0000000002800000-0x00000000028C8000-memory.dmp

Filesize
800KB

Download
memory/3500-140-0x00000000028D0000-0x0000000002983000-memory.dmp

Filesize
716KB

Download
memory/3500-143-0x00000000026E0000-0x00000000027F4000-memory.dmp

Filesize
1.1MB

Download