b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb

Analysis

max time kernel
91s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 11:20

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General

Target

b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb.exe
Size

3.4MB
MD5

21f420cf12acf484d126f5b153131e7a
SHA1

46979b39b5b3ec52d3a9d582cf74a9c96e8cc26e
SHA256

b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb
SHA512

a058ce6bf174596a036a20f961c19b307ecf08dd6aeae4b85aa10aa6e1547236673e239510e3279f6851e31aa3d2a68ccf308231e6a31b679c93e41b3a8b270b
SSDEEP

98304:c3BRF/1E74wVxlc5H6rtojimBHeT0yzvmt2gupE2r:c6GOmsT0yji2guz

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2160	Installapk.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb.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
2160	Installapk.exe
2160	Installapk.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 2160	4752	b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb.exe	82
PID 4752 wrote to memory of 2160	4752	b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb.exe	82
PID 4752 wrote to memory of 2160	4752	b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb.exe	82

C:\Users\Admin\AppData\Local\Temp\b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb.exe
"C:\Users\Admin\AppData\Local\Temp\b32051f148d14ec759f5ff05e8baad7c9e97e3ee73aaade3b607496de37709bb.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4752
- C:\ProgramData\wdgame\Installapk.exe
  "C:\ProgramData\wdgame\Installapk.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2160

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:\ProgramData\wdgame\Installapk.exe

Filesize
2.6MB

MD5
8606ce3007385eb44192d1224eef7e11

SHA1
eb8b48cad09c2d3aef6ad512592482c449847526

SHA256
c1aad5940d5a044cc9dae9ee9087d664b07683228414f14b6963a71cd9947bca

SHA512
146c856bdad9aa0503389cf5bf155277df584d9bc14041d05f845eb5f32cea1f6176c5700210509d903dab2a5229f8750fdd2590e650d9233c2efa2fb5c1ad7a

Download Submit
C:\ProgramData\wdgame\Installapk.exe

Filesize
2.6MB

MD5
8606ce3007385eb44192d1224eef7e11

SHA1
eb8b48cad09c2d3aef6ad512592482c449847526

SHA256
c1aad5940d5a044cc9dae9ee9087d664b07683228414f14b6963a71cd9947bca

SHA512
146c856bdad9aa0503389cf5bf155277df584d9bc14041d05f845eb5f32cea1f6176c5700210509d903dab2a5229f8750fdd2590e650d9233c2efa2fb5c1ad7a

Download Submit
C:\ProgramData\wdgame\conapk.ini

Filesize
231B

MD5
b4c067fa5ce238cb34851b1e24d1ed22

SHA1
b0f47a0e43feb2bd49c2787a1e64367ef36544bb

SHA256
76e2b09d5111cbc1c7a294fe0cc29d51b66af17cd2703690e4bd66e9d524e86f

SHA512
004f37752d03370c6a4c5d54452c15c941c992c975005078b8baafffc00809afe858b425030da70605ff8a9d850094f7435267eeda3aabf7c53781e70986bb7c

Download Submit