Analysis
- max time kernel
92s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
03/03/2024, 23:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b0a383649505829364efcbf05d137cb6.exe
Resource
win7-20240220-en
9 signatures
150 seconds
General
- Target b0a383649505829364efcbf05d137cb6.exe
- Size 52KB
- Sample240303-29kc3sbb6s
- SHA256 d717c14daab8c2ca198c247568f63fe92448f104588545c9f689603551d0251b
- MD5 b0a383649505829364efcbf05d137cb6
- SHA1 94339534d586146aef7d328dd857813251973b34
- SHA512 0bbd1381a1f5d022c499beacc74db3553e6fb8b05f6499705e9ea66b25ebc14faa98424067365bd30ded69ece1d0bc7eb1db54d2b4ab9c3262a4a0a0b6c336ec
- SSDEEP 384:Yiraroxo8brZBJGAvveCnu9wB1jxA4WnAW:YEbvJv490C
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation b0a383649505829364efcbf05d137cb6.exe - Executes dropped EXE 1 IoCs
pid Process 1696 SecurityHealth.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5072 schtasks.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4680 timeout.exe - Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe 1144 b0a383649505829364efcbf05d137cb6.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1144 b0a383649505829364efcbf05d137cb6.exe Token: SeDebugPrivilege 1696 SecurityHealth.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1144 wrote to memory of 3048 1144 b0a383649505829364efcbf05d137cb6.exe 94 PID 1144 wrote to memory of 3048 1144 b0a383649505829364efcbf05d137cb6.exe 94 PID 1144 wrote to memory of 4380 1144 b0a383649505829364efcbf05d137cb6.exe 96 PID 1144 wrote to memory of 4380 1144 b0a383649505829364efcbf05d137cb6.exe 96 PID 4380 wrote to memory of 4680 4380 cmd.exe 98 PID 4380 wrote to memory of 4680 4380 cmd.exe 98 PID 3048 wrote to memory of 5072 3048 cmd.exe 99 PID 3048 wrote to memory of 5072 3048 cmd.exe 99 PID 4380 wrote to memory of 1696 4380 cmd.exe 100 PID 4380 wrote to memory of 1696 4380 cmd.exe 100 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\b0a383649505829364efcbf05d137cb6.exe"C:\Users\Admin\AppData\Local\Temp\b0a383649505829364efcbf05d137cb6.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "SecurityHealth" /tr '"C:\Users\Admin\AppData\Roaming\Security\SecurityHealth.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "SecurityHealth" /tr '"C:\Users\Admin\AppData\Roaming\Security\SecurityHealth.exe"'3⤵
- Creates scheduled task(s)
PID:5072
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB18D.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:4380 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:4680
-
-
C:\Users\Admin\AppData\Roaming\Security\SecurityHealth.exe"C:\Users\Admin\AppData\Roaming\Security\SecurityHealth.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1696
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpB18D.tmp.bat
- Size 167B
- SHA256 1579c67f96635e057d855c9306af8059476d93e437096a3c86c4f7398bc84c9a
- MD5 ae90a2ce848235c8a3d2bd92572a7240
- SHA1 e8513fa081850aa37c55e4ea7067dcb3cd9ea3bf
- SHA512 2e2c2f82d9455a58f67f5345346b832c67963512f4896d59af464ccf1bdbd8b7753adf4958440acdf179c75b27a6dfbbf031f8d3e59f9b9d1b28a55892859a82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Security\SecurityHealth.exe
- Size 52KB
- SHA256 d717c14daab8c2ca198c247568f63fe92448f104588545c9f689603551d0251b
- MD5 b0a383649505829364efcbf05d137cb6
- SHA1 94339534d586146aef7d328dd857813251973b34
- SHA512 0bbd1381a1f5d022c499beacc74db3553e6fb8b05f6499705e9ea66b25ebc14faa98424067365bd30ded69ece1d0bc7eb1db54d2b4ab9c3262a4a0a0b6c336ec
- SSDEEP 384:Yiraroxo8brZBJGAvveCnu9wB1jxA4WnAW:YEbvJv490C
- MD5 SHA1 SHA512 SSDEEP