Analysis
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max time kernel
64s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 19:45
Behavioral task
behavioral1
Sample
bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe
Resource
win10v2004-20220812-en
General
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Target
bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe
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Size
52KB
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MD5
232bb21a629f04db251f884ef37fb85e
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SHA1
d21755ead7886518026cb4451a1bca19d3bfb982
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SHA256
bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d
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SHA512
12567185ac95bd1eae5f9320b33a6b0442ae51b205b5a7cb537c88e22548f20dddfaa09d1e5bef007390081ee09ce16f98bf2723847c61defbb4011b25a1d5d5
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SSDEEP
1536:KnDaoljZu7TuHGHMtRS6B5Fwhy9Einouy8V:KJljMCHGHQ5Fyy9E6outV
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\sh.dll acprotect \Users\Admin\AppData\Local\Temp\sh.dll acprotect -
Processes:
resource yara_rule behavioral1/memory/1476-55-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral1/memory/1476-58-0x0000000000400000-0x000000000041A000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\sh.dll upx \Users\Admin\AppData\Local\Temp\sh.dll upx behavioral1/memory/1620-62-0x0000000000200000-0x000000000021E000-memory.dmp upx behavioral1/memory/1620-63-0x0000000000200000-0x000000000021E000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 760 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1620 regsvr32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exeregsvr32.exepid process 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe 1620 regsvr32.exe 1620 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exedescription pid process Token: SeIncBasePriorityPrivilege 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exeregsvr32.exedescription pid process target process PID 1476 wrote to memory of 1620 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe regsvr32.exe PID 1476 wrote to memory of 1620 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe regsvr32.exe PID 1476 wrote to memory of 1620 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe regsvr32.exe PID 1476 wrote to memory of 1620 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe regsvr32.exe PID 1476 wrote to memory of 1620 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe regsvr32.exe PID 1476 wrote to memory of 1620 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe regsvr32.exe PID 1476 wrote to memory of 1620 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe regsvr32.exe PID 1476 wrote to memory of 760 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe cmd.exe PID 1476 wrote to memory of 760 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe cmd.exe PID 1476 wrote to memory of 760 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe cmd.exe PID 1476 wrote to memory of 760 1476 bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe cmd.exe PID 1620 wrote to memory of 1276 1620 regsvr32.exe Explorer.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe"C:\Users\Admin\AppData\Local\Temp\bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\sh.dll2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\bce12b0cefc9ee0b2fd70e78aae55de42f07bac70c0312e6e007b0d206e67d2d.exe2⤵
- Deletes itself
PID:760
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1276
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\sh.dllFilesize
35KB
MD54bc8c4adadf6c40d718a39e89b3eb038
SHA1c33f5ec7126d60db5fe2ad30b6b6664932bfc945
SHA256ef0986ac22d0853a9ed708de84d7384d91384c39fdc722f0e3ae7db8056dce38
SHA51275f368d24e9973c6200fdcda712b741eefe2acbd47be86c64b5f88c13681614fea65f87cdcbba9010021c599a1530fcd047ecce01755c547fd39da4d989e3bbd
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\Users\Admin\AppData\Local\Temp\sh.dllFilesize
35KB
MD54bc8c4adadf6c40d718a39e89b3eb038
SHA1c33f5ec7126d60db5fe2ad30b6b6664932bfc945
SHA256ef0986ac22d0853a9ed708de84d7384d91384c39fdc722f0e3ae7db8056dce38
SHA51275f368d24e9973c6200fdcda712b741eefe2acbd47be86c64b5f88c13681614fea65f87cdcbba9010021c599a1530fcd047ecce01755c547fd39da4d989e3bbd
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memory/760-57-0x0000000000000000-mapping.dmp
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memory/1476-54-0x00000000757E1000-0x00000000757E3000-memory.dmpFilesize
8KB
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memory/1476-55-0x0000000000400000-0x000000000041A000-memory.dmpFilesize
104KB
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memory/1476-58-0x0000000000400000-0x000000000041A000-memory.dmpFilesize
104KB
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memory/1620-56-0x0000000000000000-mapping.dmp
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memory/1620-62-0x0000000000200000-0x000000000021E000-memory.dmpFilesize
120KB
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memory/1620-63-0x0000000000200000-0x000000000021E000-memory.dmpFilesize
120KB