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
Static task
static1
Behavioral task
behavioral1
Sample
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
Resource
win10v2004-20220812-en
General
-
Target
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
-
Size
510KB
-
MD5
730c6813af9d7c692f9795a517eefd35
-
SHA1
c6bf79d06e6ede0025c8dff090e9f2bc0e58926c
-
SHA256
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc
-
SHA512
0fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8
-
SSDEEP
6144:M/uTVIGrZa2N2O5NHuComSO75/NEBcWtKyAkVHCc55aHQ1BDvO/WwZzuTSX/bCop:P6AgBM8JBDvcWwZzhiN
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
PersistanceModule.exepid process 4908 PersistanceModule.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exedescription 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.
-
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exePersistanceModule.exepid process 3044 b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe 4908 PersistanceModule.exe 4908 PersistanceModule.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exePersistanceModule.exedescription pid process Token: SeDebugPrivilege 3044 b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe Token: SeDebugPrivilege 4908 PersistanceModule.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exedescription 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
Processes
-
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 Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
510KB
MD5730c6813af9d7c692f9795a517eefd35
SHA1c6bf79d06e6ede0025c8dff090e9f2bc0e58926c
SHA256b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc
SHA5120fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8
-
Filesize
510KB
MD5730c6813af9d7c692f9795a517eefd35
SHA1c6bf79d06e6ede0025c8dff090e9f2bc0e58926c
SHA256b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc
SHA5120fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8