Analysis
- max time kernel
150s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
08/02/2023, 12:34
General
- Target file.exe
- Size 314KB
- Sample230208-prrcfsag54
- SHA256 c7a7edcb38bbf0996d90eed750aa01a9230bddfb1dff2d64986d3f412879581e
Malware Config
Extracted
-
gozi
Extracted
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gozi
-
1001
-
https://checklist.skype.com
-
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
-
base_path
/microsoft/
-
build
260255
-
exe_type
loader
-
extension
.acx
-
server_id
50
Extracted
-
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
-
C:\Users\Admin\AppData\Local\Temp\5A84.exeC:\Users\Admin\AppData\Local\Temp\5A84.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
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)
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 10282⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\5B5F.exeC:\Users\Admin\AppData\Local\Temp\5B5F.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5112 -ip 51121⤵
-
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
5A84.exe
5A84.exe
5B5F.exe
5B5F.exe
svcupdater.exe
svcupdater.exe
memory/848-158-0x0000000000400000-0x000000000047A000-memory.dmp
memory/848-157-0x00000000006E7000-0x0000000000711000-memory.dmp
memory/2816-136-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2816-135-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2816-134-0x00000000020C0000-0x00000000020C9000-memory.dmp
memory/2816-133-0x00000000004D0000-0x00000000005D0000-memory.dmp
memory/4508-151-0x00000000001B0000-0x00000000001BE000-memory.dmp
memory/4508-152-0x00000000005F0000-0x00000000005FD000-memory.dmp
memory/4508-144-0x00000000001B0000-0x00000000001BE000-memory.dmp
memory/4508-143-0x0000000000540000-0x0000000000551000-memory.dmp
memory/5112-147-0x0000000000400000-0x000000000047A000-memory.dmp
memory/5112-146-0x0000000000520000-0x0000000000567000-memory.dmp
memory/5112-149-0x00000000005A9000-0x00000000005D3000-memory.dmp
memory/5112-150-0x0000000000400000-0x000000000047A000-memory.dmp
memory/5112-145-0x00000000005A9000-0x00000000005D3000-memory.dmp