Analysis
- max time kernel
150s - max time network
122s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
13/03/2024, 04:39
General
- Target c4ff50648c4fb9e60e0f0c30a41bba2c.exe
- Size 192KB
- Sample240313-e9yt5seg23
- SHA256 c15ff185f489812fa7ae3fe20c668f9611da7a2a3e54367adf0c28bf456d0720
Malware Config
Extracted
-
smokeloader
-
0508
Extracted
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smokeloader
-
2020
-
http://readinglistforjuly1.xyz/
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http://readinglistforjuly2.xyz/
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http://readinglistforjuly3.xyz/
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http://readinglistforjuly4.xyz/
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http://readinglistforjuly5.xyz/
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http://readinglistforjuly6.xyz/
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http://readinglistforjuly7.xyz/
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http://readinglistforjuly8.xyz/
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http://readinglistforjuly9.xyz/
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http://readinglistforjuly10.xyz/
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http://readinglistforjuly1.site/
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http://readinglistforjuly2.site/
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http://readinglistforjuly3.site/
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http://readinglistforjuly4.site/
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http://readinglistforjuly5.site/
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http://readinglistforjuly6.site/
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http://readinglistforjuly7.site/
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http://readinglistforjuly8.site/
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http://readinglistforjuly9.site/
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http://readinglistforjuly10.site/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c4ff50648c4fb9e60e0f0c30a41bba2c.exe"C:\Users\Admin\AppData\Local\Temp\c4ff50648c4fb9e60e0f0c30a41bba2c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c4ff50648c4fb9e60e0f0c30a41bba2c.exe"C:\Users\Admin\AppData\Local\Temp\c4ff50648c4fb9e60e0f0c30a41bba2c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
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C:\Windows\system32\taskeng.exetaskeng.exe {6B4A0B23-4D60-464E-A2DE-D4E135AFA829} S-1-5-21-406356229-2805545415-1236085040-1000:IKJSPGIM\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\srdhtirC:\Users\Admin\AppData\Roaming\srdhtir2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\srdhtirC:\Users\Admin\AppData\Roaming\srdhtir3⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
srdhtir
memory/1208-26-0x0000000002A60000-0x0000000002A76000-memory.dmp
memory/1208-8-0x00000000029B0000-0x00000000029C6000-memory.dmp
memory/1720-1-0x00000000030D0000-0x00000000031D0000-memory.dmp
memory/1720-2-0x0000000000220000-0x000000000022A000-memory.dmp
memory/1948-9-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1948-7-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1948-6-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1948-5-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1948-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2360-20-0x0000000002D20000-0x0000000002E20000-memory.dmp
memory/2412-25-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2412-27-0x0000000000400000-0x0000000000409000-memory.dmp