b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:08

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General

Target

b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
Size

510KB
MD5

730c6813af9d7c692f9795a517eefd35
SHA1

c6bf79d06e6ede0025c8dff090e9f2bc0e58926c
SHA256

b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc
SHA512

0fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8
SSDEEP

6144:M/uTVIGrZa2N2O5NHuComSO75/NEBcWtKyAkVHCc55aHQ1BDvO/WwZzuTSX/bCop:P6AgBM8JBDvcWwZzhiN

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

PersistanceModule.exe

pid process

4908 PersistanceModule.exe

pid	process
4908	PersistanceModule.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

Processes:

b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exePersistanceModule.exe

pid process

3044 b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
4908 PersistanceModule.exe
4908 PersistanceModule.exe

pid	process
3044	b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
4908	PersistanceModule.exe
4908	PersistanceModule.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exePersistanceModule.exe

description	pid	process
Token: SeDebugPrivilege	3044	b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
Token: SeDebugPrivilege	4908	PersistanceModule.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe

description	pid	process	target process
PID 3044 wrote to memory of 4908	3044	b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe	PersistanceModule.exe
PID 3044 wrote to memory of 4908	3044	b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe	PersistanceModule.exe
PID 3044 wrote to memory of 4908	3044	b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe	PersistanceModule.exe

C:\Users\Admin\AppData\Local\Temp\b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
"C:\Users\Admin\AppData\Local\Temp\b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044

C:\Users\Admin\Music\PersistanceModule.exe
"C:\Users\Admin\Music\PersistanceModule.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Music\PersistanceModule.exe
Filesize
510KB

MD5
730c6813af9d7c692f9795a517eefd35

SHA1
c6bf79d06e6ede0025c8dff090e9f2bc0e58926c

SHA256
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc

SHA512
0fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8

Download Submit
C:\Users\Admin\Music\PersistanceModule.exe
Filesize
510KB

MD5
730c6813af9d7c692f9795a517eefd35

SHA1
c6bf79d06e6ede0025c8dff090e9f2bc0e58926c

SHA256
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc

SHA512
0fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8

Download Submit
memory/3044-132-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/3044-137-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/4908-133-0x0000000000000000-mapping.dmp

Download
memory/4908-136-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/4908-138-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download