Analysis
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max time kernel
147s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:17
General
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Target
AKH8536375001TGz_仰贸易上海有限公司_dwg.exe
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Size
859KB
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MD5
a20ed75cdd3f8ce28737aa9fb8a9c3b2
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SHA1
d8dfa5b7cdea4105f9b5ae5c8d78a4d47b5472c4
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SHA256
d17de71fad23c19ea4e181c8fe33be0fc230d15be13e6d3c755c77e7ff1519d5
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SHA512
afb6ab77e640ed37fa11fecdbfb79bdaef331d5dc58e27e73e04ac3d4668bb9d50bd1bfe72eef30dc04e757f61b3dd1b0d50dd1871b597ea08191bc64352c3dd
Malware Config
Signatures
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Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Enumerates system info in registry 2 TTPs 2 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\AKH8536375001TGz_仰贸易上海有限公司_dwg.exe"C:\Users\Admin\AppData\Local\Temp\AKH8536375001TGz_仰贸易上海有限公司_dwg.exe"1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bDHTgfHETDQFVt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF194.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 17082⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpF194.tmpFilesize
1KB
MD523d4aef5e3e0a968b4e685b4531161e0
SHA14fdb8058cdc438519c52707a8ae66dee4cebb0ec
SHA256b0bba6cc684f6af28a530846b50b0065424ac404556da925d8cce501e6c1cf7b
SHA51264963d2e4d57e8e647a521fe7f5c1a491c74b756c7b0260739ed05776d57d7a4e6965b509ef42a4d1518ca892f10adb56ea7191507050c5304042d9022b914ef
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memory/224-131-0x0000000000000000-mapping.dmp
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memory/1672-130-0x00000000747B0000-0x0000000074D61000-memory.dmpFilesize
5.7MB
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memory/4140-133-0x0000000000000000-mapping.dmp