ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b

Analysis

max time kernel
148s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 12:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b.exe
Size

159KB
MD5

3d0d7b48ee78e01b097045e36e5deb9f
SHA1

1a51f6654292d04fc82ea514ee4ec9c5a410dc63
SHA256

ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b
SHA512

34b4d9a1f8066a6c3d75de3314643c4494a82ad5a96cff68359f7645e3c19ef93f908cc9041f8782a87e026806eeeb12c22b1f857d4b0c2621545299f1cedde1
SSDEEP

3072:+22ihA0m3BJf0Am4cneOor+tTcNZVEo/v0aKFlqRWDj:xA0m3T0AgexroiLW7bj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1436	biclient.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
1436	biclient.exe
1436	biclient.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 1436	2116	ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b.exe	80
PID 2116 wrote to memory of 1436	2116	ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b.exe	80
PID 2116 wrote to memory of 1436	2116	ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b.exe	80

C:\Users\Admin\AppData\Local\Temp\ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b.exe
"C:\Users\Admin\AppData\Local\Temp\ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\biclient.exe
  "C:\Users\Admin\AppData\Local\Temp\biclient.exe" /initurl http://bi.bisrv.com/:affid:/:sid:/:uid:? /affid "hdwallpaper" /id "melodicdeathmetalconcertlvst" /name "Melodic Death Metal Concert" /uniqid ab1fe61e7028586f2a34de5a91b34bfda5086bd2df1e2ede08938f0c8248dd4b
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\biclient.exe

Filesize
219KB

MD5
c66293ccd7cbe84b1b8f393ca5e4e6d7

SHA1
c24089d407e6280b79bec86532e9de0118e4de71

SHA256
ffbae29e2f233767fd42909720497165ce3552427ef93efb2fc714fb4204755f

SHA512
7ff97aa71f182035f90ba10c3bf8087280e3f34bf717bda139d642f4e043c64aa2b98d82a90a32f1df4b76f9d7610af62390fe934e514c90c703381a421c00b7

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

Filesize
219KB

MD5
c66293ccd7cbe84b1b8f393ca5e4e6d7

SHA1
c24089d407e6280b79bec86532e9de0118e4de71

SHA256
ffbae29e2f233767fd42909720497165ce3552427ef93efb2fc714fb4204755f

SHA512
7ff97aa71f182035f90ba10c3bf8087280e3f34bf717bda139d642f4e043c64aa2b98d82a90a32f1df4b76f9d7610af62390fe934e514c90c703381a421c00b7

Download Submit