Analysis
- max time kernel
233s - max time network
242s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
29/01/2023, 11:35
General
- Target file.exe
- Size 297KB
- Sample230129-npz15sdc59
- SHA256 d6cec5739817a83c1d09bf8555eaabaaf5c2aa2ac546b0012eb98008b7ee17a0
Malware Config
Extracted
-
djvu
-
http://drampik.com/lancer/get.php
-
extension
.mzop
-
offline_id
ex4uvTKsM2vEkIcr3MjXi2C6v27h1mS682iUXGt1
-
payload_url
http://uaery.top/dl/build2.exe
http://drampik.com/files/1/build3.exe
-
ransomnote
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Signatures
- Detected Djvu ransomware 4 IoCs
- Detects Smokeloader packer 3 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 8 IoCs
- VMProtect packed file 6 IoCs
Detects executables packed with VMProtect commercial packer.
- Suspicious use of SetThreadContext 1 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: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 29 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\D9B1.exeC:\Users\Admin\AppData\Local\Temp\D9B1.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\DACC.exeC:\Users\Admin\AppData\Local\Temp\DACC.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DACC.exeC:\Users\Admin\AppData\Local\Temp\DACC.exe2⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Temp\13A0.exeC:\Users\Admin\AppData\Local\Temp\13A0.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\1566.exeC:\Users\Admin\AppData\Local\Temp\1566.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\1874.exeC:\Users\Admin\AppData\Local\Temp\1874.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\1F6A.exeC:\Users\Admin\AppData\Local\Temp\1F6A.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\2557.exeC:\Users\Admin\AppData\Local\Temp\2557.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1368 -ip 13681⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
13A0.exe
13A0.exe
1566.exe
1566.exe
1874.exe
1874.exe
1F6A.exe
1F6A.exe
2557.exe
2557.exe
D9B1.exe
D9B1.exe
DACC.exe
DACC.exe
DACC.exe
memory/220-172-0x00000000021A0000-0x00000000022BB000-memory.dmp
memory/220-170-0x0000000002001000-0x0000000002093000-memory.dmp
memory/728-181-0x00000000007CD000-0x00000000007F7000-memory.dmp
memory/728-169-0x0000000000720000-0x0000000000767000-memory.dmp
memory/728-171-0x0000000000400000-0x000000000046D000-memory.dmp
memory/728-168-0x00000000007CD000-0x00000000007F7000-memory.dmp
memory/1116-157-0x0000000140000000-0x0000000140619000-memory.dmp
memory/1368-177-0x0000000000400000-0x0000000000467000-memory.dmp
memory/1368-176-0x00000000005A9000-0x00000000005BF000-memory.dmp
memory/1584-136-0x00000000005B9000-0x00000000005CF000-memory.dmp
memory/1584-137-0x0000000002060000-0x0000000002069000-memory.dmp
memory/1584-132-0x00000000005B9000-0x00000000005CF000-memory.dmp
memory/1584-133-0x0000000002060000-0x0000000002069000-memory.dmp
memory/1584-134-0x00000000005B9000-0x00000000005CF000-memory.dmp
memory/1584-135-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1584-138-0x0000000000400000-0x0000000000466000-memory.dmp
memory/2952-186-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2952-185-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2952-183-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3872-187-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3872-178-0x00000000005B9000-0x00000000005E8000-memory.dmp
memory/3872-179-0x0000000000530000-0x000000000057B000-memory.dmp
memory/4432-180-0x0000000000400000-0x0000000000466000-memory.dmp
memory/4432-175-0x0000000000400000-0x0000000000466000-memory.dmp
memory/4432-173-0x0000000000719000-0x000000000072E000-memory.dmp
memory/4432-174-0x00000000005B0000-0x00000000005B9000-memory.dmp
memory/4692-164-0x0000000140000000-0x0000000140619000-memory.dmp