Resubmissions
14/03/2024, 11:45
240314-nw4b5sbb5v1013/03/2024, 15:01
240313-sdxtvsfh9x1013/03/2024, 14:22
240313-rpjkyagg5610Analysis
- max time kernel
1802s - max time network
1558s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
13/03/2024, 15:01
General
- Target c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe
- Size 242KB
- Sample240313-sdxtvsfh9x
- SHA256 c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0
Malware Config
Extracted
-
smokeloader
-
2022
-
http://selebration17io.io/index.php
-
http://vacantion18ffeu.cc/index.php
-
http://valarioulinity1.net/index.php
-
http://buriatiarutuhuob.net/index.php
-
http://cassiosssionunu.me/index.php
-
http://sulugilioiu19.net/index.php
-
http://goodfooggooftool.net/index.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 3 IoCs
- Checks SCSI registry key(s) 3 TTPs 12 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- 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\c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe"C:\Users\Admin\AppData\Local\Temp\c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\system32\taskeng.exetaskeng.exe {E15940E4-1739-4BF2-9218-86FAA28CD283} S-1-5-21-406356229-2805545415-1236085040-1000:IKJSPGIM\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\cijrtjdC:\Users\Admin\AppData\Roaming\cijrtjd2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {D5CE462C-02E7-424B-BA67-50D3A8BADB35} S-1-5-21-406356229-2805545415-1236085040-1000:IKJSPGIM\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\cijrtjdC:\Users\Admin\AppData\Roaming\cijrtjd2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {30CB8A3C-80BD-415E-8184-052BCB82C5B7} S-1-5-21-406356229-2805545415-1236085040-1000:IKJSPGIM\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\cijrtjdC:\Users\Admin\AppData\Roaming\cijrtjd2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
cijrtjd
memory/680-37-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/680-33-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/680-32-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/1040-23-0x0000000001BF0000-0x0000000001CF0000-memory.dmp
memory/1040-28-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/1040-24-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/1360-25-0x0000000002A30000-0x0000000002A46000-memory.dmp
memory/1360-16-0x00000000025C0000-0x00000000025D6000-memory.dmp
memory/1360-4-0x0000000002590000-0x00000000025A6000-memory.dmp
memory/1360-34-0x0000000002A60000-0x0000000002A76000-memory.dmp
memory/1852-1-0x0000000001AC0000-0x0000000001BC0000-memory.dmp
memory/1852-5-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/1852-3-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/1852-2-0x0000000000220000-0x000000000022B000-memory.dmp
memory/2416-17-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/2416-15-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/2416-14-0x0000000000230000-0x0000000000330000-memory.dmp