Analysis
-
max time kernel
155s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2022 15:56
Static task
static1
Behavioral task
behavioral1
Sample
$RECYCLE.BIN/$I2M8ZT6.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
$RECYCLE.BIN/$I2M8ZT6.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
$RECYCLE.BIN/$R2M8ZT6.exe
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
$RECYCLE.BIN/$R2M8ZT6.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
67_03_635_PDF.exe
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
67_03_635_PDF.exe
Resource
win10v2004-20220901-en
General
-
Target
$RECYCLE.BIN/$R2M8ZT6.exe
-
Size
54KB
-
MD5
c004e1d5f04056bc743f1d7c480d90de
-
SHA1
3411e17f0f9306393ba21ca6837b442059769c2e
-
SHA256
5589f40d0cc25a5296c1137dcd76317f0bda17b29e3c6fe3660624e69c47053f
-
SHA512
e143f1e930f5f1c526d472dce1b863832a4be65ea3c31d6ef6a1d8eae4ebe164dfcb2a345d45db2adee6a1d774149e5497f1b592bbfe6dc000d4ccb091cde721
-
SSDEEP
1536:PrqZtwkGrvUUUUUJUUUUUUQzZEOASUBZS+ZwIdHOCx2PMg:PrqPwkGrUUUUUJUUUUUUwISUQ
Malware Config
Extracted
bitrat
1.38
bitone9090.duckdns.org:9090
-
communication_password
e10adc3949ba59abbe56e057f20f883e
-
tor_process
tor
Signatures
-
Processes:
resource yara_rule behavioral4/memory/4372-148-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral4/memory/4372-149-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral4/memory/4372-150-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral4/memory/4372-151-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral4/memory/4372-152-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral4/memory/4372-155-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
$R2M8ZT6.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation $R2M8ZT6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
$R2M8ZT6.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Smwlq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Rcycomavt\\Smwlq.exe\"" $R2M8ZT6.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
$R2M8ZT6.exepid process 4372 $R2M8ZT6.exe 4372 $R2M8ZT6.exe 4372 $R2M8ZT6.exe 4372 $R2M8ZT6.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
$R2M8ZT6.exedescription pid process target process PID 1532 set thread context of 4372 1532 $R2M8ZT6.exe $R2M8ZT6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exe$R2M8ZT6.exepid process 4928 powershell.exe 4928 powershell.exe 1532 $R2M8ZT6.exe 1532 $R2M8ZT6.exe 1532 $R2M8ZT6.exe 1532 $R2M8ZT6.exe 1532 $R2M8ZT6.exe 1532 $R2M8ZT6.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
$R2M8ZT6.exepowershell.exe$R2M8ZT6.exedescription pid process Token: SeDebugPrivilege 1532 $R2M8ZT6.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeShutdownPrivilege 4372 $R2M8ZT6.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
$R2M8ZT6.exepid process 4372 $R2M8ZT6.exe 4372 $R2M8ZT6.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
$R2M8ZT6.exedescription pid process target process PID 1532 wrote to memory of 4928 1532 $R2M8ZT6.exe powershell.exe PID 1532 wrote to memory of 4928 1532 $R2M8ZT6.exe powershell.exe PID 1532 wrote to memory of 4928 1532 $R2M8ZT6.exe powershell.exe PID 1532 wrote to memory of 4216 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4216 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4216 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 1904 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 1904 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 1904 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 1328 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 1328 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 1328 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4372 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4372 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4372 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4372 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4372 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4372 1532 $R2M8ZT6.exe $R2M8ZT6.exe PID 1532 wrote to memory of 4372 1532 $R2M8ZT6.exe $R2M8ZT6.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exe"C:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4928 -
C:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exeC:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exe2⤵PID:4216
-
C:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exeC:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exe2⤵PID:1904
-
C:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exeC:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exe2⤵PID:1328
-
C:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exeC:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R2M8ZT6.exe2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4372