Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
08/02/2022, 16:55
Behavioral task
behavioral1
Sample
b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
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Target
b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe
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Size
750KB
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MD5
d1df4c1bac9aa943c9ecd985cb27701d
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SHA1
1a37e5905469cea9ddb8ef0132fbab97ffe053fc
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SHA256
b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404
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SHA512
02821ba49634d31f7180de49f4be7dc396f95b6ea23b5fc9fe579e3d3d272bbac8e53ba886bc39e42a2ddb569c0f20e745dce54156dbff4a30d14a6f8907f613
Score
8/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1220 2.exe -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files\IObit 2.exe File opened for modification C:\Program Files\IObit\IObit Uninstaller 2.exe File created C:\Program Files\IObit\IObit Uninstaller\__tmp_rar_sfx_access_check_259409678 2.exe File created C:\Program Files\IObit\IObit Uninstaller\RegisterCom.dll 2.exe File opened for modification C:\Program Files\IObit\IObit Uninstaller\RegisterCom.dll 2.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: CmdExeWriteProcessMemorySpam 1 IoCs
pid Process 1220 2.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1688 wrote to memory of 268 1688 b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe 27 PID 1688 wrote to memory of 268 1688 b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe 27 PID 1688 wrote to memory of 268 1688 b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe 27 PID 1688 wrote to memory of 268 1688 b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe 27 PID 268 wrote to memory of 1220 268 cmd.exe 29 PID 268 wrote to memory of 1220 268 cmd.exe 29 PID 268 wrote to memory of 1220 268 cmd.exe 29 PID 268 wrote to memory of 1220 268 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe"C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2BE2.bat C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe2.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious behavior: CmdExeWriteProcessMemorySpam
PID:1220
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