Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
08/02/2023, 11:33
General
- Target file.exe
- Size 313KB
- Sample230208-nnv1ssae82
- SHA256 2de2d13e9f0a9976e2e7ab06787248ca13cd1bdb0f7f31fdd3c121d8459d0f06
Malware Config
Extracted
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gozi
Extracted
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gozi
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1001
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https://checklist.skype.com
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http://176.10.125.84
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http://91.242.219.235
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http://79.132.130.73
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http://176.10.119.209
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http://194.76.225.88
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http://79.132.134.158
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base_path
/microsoft/
-
build
260255
-
exe_type
loader
-
extension
.acx
-
server_id
50
Extracted
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laplas
-
http://45.159.189.105
-
api_key
ad75d4e2e9636ca662a337b6e798d36159f23acfc89bbe9400d0d451bd8d69fd
Signatures
- Detects Smokeloader packer 1 IoCs
- Gozi
Gozi is a well-known and widely distributed banking trojan.
- Laplas Clipper
Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\C3D2.exeC:\Users\Admin\AppData\Local\Temp\C3D2.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f2⤵
- Creates scheduled task(s)
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 7002⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\C4BD.exeC:\Users\Admin\AppData\Local\Temp\C4BD.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2000 -ip 20001⤵
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeC:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
C3D2.exe
C3D2.exe
C4BD.exe
C4BD.exe
svcupdater.exe
svcupdater.exe
memory/2000-144-0x00000000006C9000-0x00000000006F3000-memory.dmp
memory/2000-145-0x00000000005F0000-0x0000000000637000-memory.dmp
memory/2000-149-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2000-148-0x00000000006C9000-0x00000000006F3000-memory.dmp
memory/2000-146-0x0000000000400000-0x000000000047A000-memory.dmp
memory/4020-132-0x000000000066E000-0x0000000000684000-memory.dmp
memory/4020-135-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/4020-134-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/4020-133-0x0000000002200000-0x0000000002209000-memory.dmp
memory/4512-143-0x0000000000A50000-0x0000000000A5E000-memory.dmp
memory/4512-142-0x0000000000BE0000-0x0000000000BF1000-memory.dmp
memory/4512-150-0x0000000000E90000-0x0000000000E9D000-memory.dmp
memory/4512-153-0x0000000000A50000-0x0000000000A5E000-memory.dmp
memory/4692-156-0x00000000006B7000-0x00000000006E1000-memory.dmp
memory/4692-157-0x0000000000400000-0x000000000047A000-memory.dmp
memory/4692-158-0x00000000006B7000-0x00000000006E1000-memory.dmp