Analysis
-
max time kernel
155s -
max time network
189s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 behavioral3/memory/1880-63-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral3/memory/1880-65-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral3/memory/1880-66-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral3/memory/1880-68-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral3/memory/1880-69-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral3/memory/1880-70-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral3/memory/1880-72-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral3/memory/1880-73-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
$R2M8ZT6.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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 1880 $R2M8ZT6.exe 1880 $R2M8ZT6.exe 1880 $R2M8ZT6.exe 1880 $R2M8ZT6.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
$R2M8ZT6.exedescription pid process target process PID 1120 set thread context of 1880 1120 $R2M8ZT6.exe $R2M8ZT6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
$R2M8ZT6.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 $R2M8ZT6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 $R2M8ZT6.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 1228 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
$R2M8ZT6.exepowershell.exe$R2M8ZT6.exedescription pid process Token: SeDebugPrivilege 1120 $R2M8ZT6.exe Token: SeDebugPrivilege 1228 powershell.exe Token: SeDebugPrivilege 1880 $R2M8ZT6.exe Token: SeShutdownPrivilege 1880 $R2M8ZT6.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
$R2M8ZT6.exepid process 1880 $R2M8ZT6.exe 1880 $R2M8ZT6.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
$R2M8ZT6.exedescription pid process target process PID 1120 wrote to memory of 1228 1120 $R2M8ZT6.exe powershell.exe PID 1120 wrote to memory of 1228 1120 $R2M8ZT6.exe powershell.exe PID 1120 wrote to memory of 1228 1120 $R2M8ZT6.exe powershell.exe PID 1120 wrote to memory of 1228 1120 $R2M8ZT6.exe powershell.exe PID 1120 wrote to memory of 1880 1120 $R2M8ZT6.exe $R2M8ZT6.exe PID 1120 wrote to memory of 1880 1120 $R2M8ZT6.exe $R2M8ZT6.exe PID 1120 wrote to memory of 1880 1120 $R2M8ZT6.exe $R2M8ZT6.exe PID 1120 wrote to memory of 1880 1120 $R2M8ZT6.exe $R2M8ZT6.exe PID 1120 wrote to memory of 1880 1120 $R2M8ZT6.exe $R2M8ZT6.exe PID 1120 wrote to memory of 1880 1120 $R2M8ZT6.exe $R2M8ZT6.exe PID 1120 wrote to memory of 1880 1120 $R2M8ZT6.exe $R2M8ZT6.exe PID 1120 wrote to memory of 1880 1120 $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⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120 -
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:1228 -
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:1880