95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba

Analysis

max time kernel
151s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 11:25

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General

Target

95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba.exe
Size

74KB
MD5

a04f49f58b2bb0f741635de1de7aebbb
SHA1

cbb859bce484e4a6c649546347213e91a9c6c3b1
SHA256

95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba
SHA512

ff57a2e82633f039865b5d9f59ec30b16c47c87329c5901e8a6b2e716a0eb982882ac0208b9adffd3e5f3ec26da2d8117dcdaed8cfc807a6e38cc0334982633e
SSDEEP

1536:xcnpe2bYHgEsiDJNimbbrwbbbGbb6bbbbxNimbbrwbbbGbb6bbbb:Cnk2bYAGfw

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4456	wimbecka.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	icanhazip.com

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 4972 wrote to memory of 4456	4972	95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba.exe	82
PID 4972 wrote to memory of 4456	4972	95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba.exe	82
PID 4972 wrote to memory of 4456	4972	95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba.exe	82

C:\Users\Admin\AppData\Local\Temp\95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba.exe
"C:\Users\Admin\AppData\Local\Temp\95395280c54d83cae46f592f949737832ae0e63061963b6a9d5f8601050624ba.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Users\Admin\AppData\Local\Temp\wimbecka.exe
  "C:\Users\Admin\AppData\Local\Temp\wimbecka.exe"
  2⤵
  - Executes dropped EXE
  PID:4456

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\wimbecka.exe

Filesize
74KB

MD5
5cf8878d7763278aa77e8ccf6eea8d17

SHA1
7561371a90ce52cd9a608dacb6084612921db0dd

SHA256
6d19e539bb665a0ed3f871bd50f50b29fef708ee93272175e53049d3b76db119

SHA512
e6fa1cde6fd73f598ba3fe649594e38d787fc94fa59a98089d382929584f9f18741c8009136fb90c552319001af0f4d000a2404196aa7b3f07d0c064b35fdef9

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

Filesize
74KB

MD5
5cf8878d7763278aa77e8ccf6eea8d17

SHA1
7561371a90ce52cd9a608dacb6084612921db0dd

SHA256
6d19e539bb665a0ed3f871bd50f50b29fef708ee93272175e53049d3b76db119

SHA512
e6fa1cde6fd73f598ba3fe649594e38d787fc94fa59a98089d382929584f9f18741c8009136fb90c552319001af0f4d000a2404196aa7b3f07d0c064b35fdef9

Download Submit
memory/4456-138-0x0000000000990000-0x00000000009B6000-memory.dmp

Filesize
152KB

Download
memory/4972-132-0x00000000009D0000-0x0000000000A40000-memory.dmp

Filesize
448KB

Download
memory/4972-133-0x0000000000400000-0x00000000004253F0-memory.dmp

Filesize
148KB

Download
memory/4972-137-0x00000000009D0000-0x00000000009E4000-memory.dmp

Filesize
80KB

Download