bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5

Analysis

max time kernel
133s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2022, 18:50

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General

Target

bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5.exe
Size

7.7MB
MD5

c888bf7140c1ece3813021a7377fc697
SHA1

1b9111fb44a6c53657319f69d7af9c4176fcf31d
SHA256

bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5
SHA512

2a593c072f5fbaa0048c22e45fd90389f3a3de32da236c31386d735bab90da789373366677de653163f58df3cbf5bc38e0efe27e85d65ab329e3bb898433e6ba
SSDEEP

196608:zoyarfi3CYCaMC5QNqrDvfmgrpFxTR4BvuSgNhqQjnn4:erfi3C/aMC+8HmCTWWxn4

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2496	loader.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	bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5.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 SetWindowsHookEx 2 IoCs

pid	Process
2496	loader.exe
2496	loader.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 2496	4444	bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5.exe	81
PID 4444 wrote to memory of 2496	4444	bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5.exe	81
PID 4444 wrote to memory of 2496	4444	bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5.exe	81

C:\Users\Admin\AppData\Local\Temp\bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5.exe
"C:\Users\Admin\AppData\Local\Temp\bb8f1570a5850a65687467dbf7ede7df414a6df9418fe4f6fac19f73156da3d5.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\DATA\loader.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\DATA\loader.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2496

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\RarSFX0\DATA\Loader.exe

Filesize
368KB

MD5
672111efb3616a3363561a159d567f21

SHA1
0c54e9b8e204d8c0bf56b098752f7ebe89ca8848

SHA256
4534bddb4439527bc30f92c5b8f5f6da5e71e0ecad306757f6525d776c370f6f

SHA512
e0450c196a99096ea7b110d59c80216b9080719c70b6263fc42f60e8489c0beaa9ea2c140112c41f4495756017287c225fc32eacea97eef45f98c09c0871c444

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\DATA\loader.exe

Filesize
368KB

MD5
672111efb3616a3363561a159d567f21

SHA1
0c54e9b8e204d8c0bf56b098752f7ebe89ca8848

SHA256
4534bddb4439527bc30f92c5b8f5f6da5e71e0ecad306757f6525d776c370f6f

SHA512
e0450c196a99096ea7b110d59c80216b9080719c70b6263fc42f60e8489c0beaa9ea2c140112c41f4495756017287c225fc32eacea97eef45f98c09c0871c444

Download Submit