Analysis
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max time kernel
92s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 12:28
Static task
static1
Behavioral task
behavioral1
Sample
1d0000.MSBuild.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1d0000.MSBuild.exe
Resource
win10v2004-20240802-en
General
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Target
1d0000.MSBuild.exe
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Size
151KB
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MD5
41cf033d05ae0e2c5238a7932cf2dc77
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SHA1
df885092f397a0a70f26b98c5abb35253d2cb06c
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SHA256
f307cd4cb26d2d851ca55e9ab039656247ffd3b01b89ad0dcd32adf8e689724b
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SHA512
eb1a3d4fe54c01c5ed6eb58208fed72aaf628aa6df60f5711f0e8e119a68517d7bc4112c5387858803072b144510fbd7c74f5e44853d3aefa5685979f755ef48
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SSDEEP
3072:FzFIwXIUVadV/NqI9tw5ojnsbkps3CUBB8owEKctGE:RXcV/55jnsbkps3CUBB81EK
Malware Config
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 1d0000.MSBuild.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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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 9 ip-api.com -
pid Process 1840 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1840 powershell.exe 1840 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4708 1d0000.MSBuild.exe Token: SeDebugPrivilege 1840 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4708 wrote to memory of 1840 4708 1d0000.MSBuild.exe 95 PID 4708 wrote to memory of 1840 4708 1d0000.MSBuild.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\1d0000.MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\1d0000.MSBuild.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Start-Process 'C:\Users\Admin\AppData\Roaming\C4T70DXYQS.exe'"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
18KB
MD5199b648b2ebe365467dd48ae11510de9
SHA10c0558feaa77f3880a94d1ee739f71594714050f
SHA256193d9da0348d7a529dd47e31cf06c69de293a6f121c972a6f718cc4c36909478
SHA512efe80083f180bcff74d972942d94b9dee6e70e603a2be0985cc1eebd9af4cbf32ff154c0f77f97a6112ea23e882515dec5bcb960ad3f3db4403969a7697b714c