Analysis
-
max time kernel
95s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
BL-INV-PL-ISO.exe
Resource
win7-20240903-en
General
-
Target
BL-INV-PL-ISO.exe
-
Size
813KB
-
MD5
98764b1ea06180b4a89c043b0fc11914
-
SHA1
88cdfcf42452ca0429f31fdd8d7372effe387969
-
SHA256
97fb0388618e3d977b390696f4ca19e38f0e706d70a40726bab9ed8dcdcd036c
-
SHA512
3d394a5887178f60c6c92f1790314812fe8d13fb0811baeeb7f526eab7bd9f548f9ae8c171361430743efc06ca476145cb53821258fe1cea8d353cdbf87a0211
-
SSDEEP
12288:M1ZF8Km3Tsu+N7PB6cDS9YGFuzM4DrGUS6ZbxksCsJSxaV5+prfHha9:Mygu2Qc9GwMArGUZZbxksCs9+hfHha
Malware Config
Signatures
-
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4640 powershell.exe 4216 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation BL-INV-PL-ISO.exe -
Uses the VBS compiler for execution 1 TTPs
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 232 set thread context of 3696 232 BL-INV-PL-ISO.exe 88 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BL-INV-PL-ISO.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3500 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 232 BL-INV-PL-ISO.exe 232 BL-INV-PL-ISO.exe 4640 powershell.exe 4216 powershell.exe 4640 powershell.exe 4216 powershell.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe 3696 vbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 232 BL-INV-PL-ISO.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 4640 powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 232 wrote to memory of 4640 232 BL-INV-PL-ISO.exe 82 PID 232 wrote to memory of 4640 232 BL-INV-PL-ISO.exe 82 PID 232 wrote to memory of 4640 232 BL-INV-PL-ISO.exe 82 PID 232 wrote to memory of 4216 232 BL-INV-PL-ISO.exe 84 PID 232 wrote to memory of 4216 232 BL-INV-PL-ISO.exe 84 PID 232 wrote to memory of 4216 232 BL-INV-PL-ISO.exe 84 PID 232 wrote to memory of 3500 232 BL-INV-PL-ISO.exe 85 PID 232 wrote to memory of 3500 232 BL-INV-PL-ISO.exe 85 PID 232 wrote to memory of 3500 232 BL-INV-PL-ISO.exe 85 PID 232 wrote to memory of 3696 232 BL-INV-PL-ISO.exe 88 PID 232 wrote to memory of 3696 232 BL-INV-PL-ISO.exe 88 PID 232 wrote to memory of 3696 232 BL-INV-PL-ISO.exe 88 PID 232 wrote to memory of 3696 232 BL-INV-PL-ISO.exe 88 PID 232 wrote to memory of 3696 232 BL-INV-PL-ISO.exe 88 PID 232 wrote to memory of 3696 232 BL-INV-PL-ISO.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\BL-INV-PL-ISO.exe"C:\Users\Admin\AppData\Local\Temp\BL-INV-PL-ISO.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\BL-INV-PL-ISO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dZxrrOCj.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4216
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dZxrrOCj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE781.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3500
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3696
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
18KB
MD5cb54af10bddd7f832c5cabb500bb79fd
SHA1f449fe9786089393a01842452773a81d635094fa
SHA256438f002502f1453641395d8be9cb3bd4cfc98a07c8fc18d9d08d4231b96fcb0e
SHA51272bedd95b74ccfd312bd10fce2199a709be1aaaa8ed3fe850a865034b005ca816c8ce45d3df21a66b51ac6b85717955264fc6dedf537cf05ef9ac2573f57d7b7
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD5d0390141b1105bb4fef412b91c9e914b
SHA10c512cbfa2c65f8ba1eb2ca6c905a7361ac47e76
SHA25689aa3ecac5a872b2213d3125979d516633dea811d06a2ffc4d18044c03e1aae4
SHA512ca3b81a8640d2a2dcb72793ac06c9ea40f57f08006d398e69d7901f44de49f3da53ed13963ebb73a659c1e9221c0eedf502540be89a667b457cffa8ffa40df65