Analysis
- max time kernel
300s - max time network
121s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
01/05/2024, 23:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe
Resource
win7-20240221-en
9 signatures
300 seconds
Behavioral task
behavioral2
Sample
a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe
Resource
win10-20240404-en
3 signatures
300 seconds
General
- Target a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe
- Size 174KB
- Sample240501-3mnmnaae2x
- SHA256 a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844
- MD5 0b221713136f853c4b594ebdd8da873b
- SHA1 44f696fb4743a84bc06cf57ebdc30f0cec2d8f26
- SHA512 2b5b8b8d34a7434477d46b546c412404cf11609cad0a6a10dd2ee3a6cd963c291f776cbebb9cb7a8673e1d07f2177494ecb442996379dc0d2ff2b9b87f57ce1b
- SSDEEP 3072:ccnHPlpU6gXu/okNQNb7D6B44ggsB52Iw2:ccnHngUwP6B44ggsaIw
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2022
C2
-
http://nidoe.org/tmp/index.php
-
http://sodez.ru/tmp/index.php
-
http://uama.com.ua/tmp/index.php
-
http://talesofpirates.net/tmp/index.php
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
pid Process 1220 Process not Found - Executes dropped EXE 1 IoCs
pid Process 1984 awuuvch - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI awuuvch Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI awuuvch Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI awuuvch - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1288 a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe 1288 a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1288 a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe 1984 awuuvch - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1220 Process not Found - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1576 wrote to memory of 1984 1576 taskeng.exe 31 PID 1576 wrote to memory of 1984 1576 taskeng.exe 31 PID 1576 wrote to memory of 1984 1576 taskeng.exe 31 PID 1576 wrote to memory of 1984 1576 taskeng.exe 31 - 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\a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe"C:\Users\Admin\AppData\Local\Temp\a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1288
-
C:\Windows\system32\taskeng.exetaskeng.exe {1A283A7D-0A3A-4A4D-BA2F-AEC470F8B9A0} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Users\Admin\AppData\Roaming\awuuvchC:\Users\Admin\AppData\Roaming\awuuvch2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1984
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\awuuvch
- Size 174KB
- SHA256 a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844
- MD5 0b221713136f853c4b594ebdd8da873b
- SHA1 44f696fb4743a84bc06cf57ebdc30f0cec2d8f26
- SHA512 2b5b8b8d34a7434477d46b546c412404cf11609cad0a6a10dd2ee3a6cd963c291f776cbebb9cb7a8673e1d07f2177494ecb442996379dc0d2ff2b9b87f57ce1b
- SSDEEP 3072:ccnHPlpU6gXu/okNQNb7D6B44ggsB52Iw2:ccnHngUwP6B44ggsaIw
- MD5 SHA1 SHA512 SSDEEP