Resubmissions
21-03-2023 16:39
230321-t5zcfaea4y 7Analysis
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max time kernel
68s -
max time network
112s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
21-03-2023 16:39
Static task
static1
Behavioral task
behavioral1
Sample
version_v317.exe
Resource
win7-20230220-en
General
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Target
version_v317.exe
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Size
1.1MB
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MD5
a3379dd436b5eaf0aa9b347298491ceb
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SHA1
90c8b1db730f5d17a7bc04523564499c1b0e330f
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SHA256
e41280f90eb285ec8e429cf6e9a74df539ae78bcf6c210308f33857cc764042b
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SHA512
bb6b85c8ef5f572a301157328a3c14a2d4ccbf8e6d3e55a73406aca4c770da47559035dba36f2a1efb6a7b91ba5f6f9a5ceb3b73ad63730d3ffd7638729f5f6f
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SSDEEP
24576:C9ZoIWr9cVcQWbWqH2KwpJuMKgaFqAvg:HXqpJ4g
Malware Config
Signatures
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1692 set thread context of 1008 1692 version_v317.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 612 1008 WerFault.exe 30 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier version_v317.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 version_v317.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1332 powershell.exe 1008 version_v317.exe 1008 version_v317.exe 1008 version_v317.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1692 version_v317.exe Token: SeDebugPrivilege 1332 powershell.exe Token: SeDebugPrivilege 1008 version_v317.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1692 wrote to memory of 1332 1692 version_v317.exe 28 PID 1692 wrote to memory of 1332 1692 version_v317.exe 28 PID 1692 wrote to memory of 1332 1692 version_v317.exe 28 PID 1692 wrote to memory of 1332 1692 version_v317.exe 28 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1692 wrote to memory of 1008 1692 version_v317.exe 30 PID 1008 wrote to memory of 612 1008 version_v317.exe 32 PID 1008 wrote to memory of 612 1008 version_v317.exe 32 PID 1008 wrote to memory of 612 1008 version_v317.exe 32 PID 1008 wrote to memory of 612 1008 version_v317.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\version_v317.exe"C:\Users\Admin\AppData\Local\Temp\version_v317.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1332
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C:\Users\Admin\AppData\Local\Temp\version_v317.exeC:\Users\Admin\AppData\Local\Temp\version_v317.exe2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 17163⤵
- Program crash
PID:612
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\f595450f715ebe11c3af8f7c7753b8d9\Admin@[email protected]\Software.txt
Filesize4KB
MD50deddb3cd02f97a1b29228e249b3b365
SHA1fecda2c925798a04ad17871124a441dd96ae1730
SHA256f347f9e4d3dd0ce266a5d225c0471e33386c659c6c2425a1b2e625864e538b9b
SHA51223d186926572a79bd7cec17ddfc8dc49e97097636cf34cdbc4a8b3d6b590362635cb41200da96385cbc9da4d255cef65bf5bf2cd964c37c331ef9d1dec50eeb0