Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
20/12/2023, 00:27
General
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Target
z1567890987655700765678.bat.exe
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Size
875KB
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MD5
74aeb06e0794803d32da34d34bd3c53a
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SHA1
c3e350932b41dcb054d7a9f13bbc2737556c4a33
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SHA256
4138dc6d4ea9f822aa3bac00c6304b9675c13b140fadb75736f21dd33e8dcba6
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SHA512
9de33d3e095751694856c61d35717a47542afa32a3f22fb363c30f66528f421ca03fc4c509d63752b7b28b2815bfb19edd03b135d424ba2dbd901ded358ea198
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SSDEEP
12288:4SPiI08xMcAljwnazxDSFofcKWV6FFr83qyyW9cukKvaVZAjo/V:PPil8icEjwnCx1TWV6oc7w
Malware Config
Signatures
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UAC bypass 3 TTPs 1 IoCs
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Windows security bypass 2 TTPs 2 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
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Looks for VMWare Tools registry key 2 TTPs 2 IoCs
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Windows security modification 2 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Maps connected drives based on registry 3 TTPs 4 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).
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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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Delays execution with timeout.exe 1 IoCs
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Suspicious behavior: EnumeratesProcesses 25 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
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System policy modification 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\z1567890987655700765678.bat.exe"C:\Users\Admin\AppData\Local\Temp\z1567890987655700765678.bat.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8D5B.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"4⤵
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
151B
MD531de1f0c632442ad0bd4c88e6e652c23
SHA16fa97c042c7b75b748521f81dcda5348481ec87a
SHA256ca520ddd60d8e855f609c6259352def6976011e01cadf8c4f61f1f7d9b9fe54b
SHA5123269cddc4ebc19ebf34e1b05304bbfe7699955288a1137381f560a44c9f7bd06a26bccbf257f9861d5feb22b1472e75e771076d39f27ebbc709331eb0fb3c4c2
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Filesize
875KB
MD574aeb06e0794803d32da34d34bd3c53a
SHA1c3e350932b41dcb054d7a9f13bbc2737556c4a33
SHA2564138dc6d4ea9f822aa3bac00c6304b9675c13b140fadb75736f21dd33e8dcba6
SHA5129de33d3e095751694856c61d35717a47542afa32a3f22fb363c30f66528f421ca03fc4c509d63752b7b28b2815bfb19edd03b135d424ba2dbd901ded358ea198
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
104KB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
632KB
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Filesize
120KB
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Filesize
64KB
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Filesize
472KB
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Filesize
904KB
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Filesize
408KB
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Filesize
304KB
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Filesize
64KB
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Filesize
6.2MB
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Filesize
136KB
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Filesize
7.7MB
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Filesize
216KB
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Filesize
3.3MB
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Filesize
120KB
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Filesize
304KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
200KB
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Filesize
64KB
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Filesize
120KB
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Filesize
652KB
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Filesize
6.5MB
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Filesize
104KB
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Filesize
40KB
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Filesize
600KB
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Filesize
68KB
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Filesize
56KB
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Filesize
80KB
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Filesize
104KB
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Filesize
32KB
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Filesize
7.7MB