Analysis
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max time kernel
94s -
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
03-09-2024 01:19
Static task
static1
Behavioral task
behavioral1
Sample
c8fdd4da6a7aaa77cb6153230ecb1e30N.exe
Resource
win7-20240708-en
General
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Target
c8fdd4da6a7aaa77cb6153230ecb1e30N.exe
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Size
93KB
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MD5
c8fdd4da6a7aaa77cb6153230ecb1e30
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SHA1
ae1cbd2aac61b345b3ebf71a071d31112c9c10f0
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SHA256
01bd7febe5ca7bf25ce59fba62adbf671bb640d62f277bd1cefdc44d53bda0ce
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SHA512
3f850eda2b2c1a3782bcfa090f82f8b6c713a2ed03c02b9dbe6595b0fb27880b35b8c51e362047dfd32b5d238a19fea3a3fa2146370305736bb6ff5337b44938
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SSDEEP
1536:Qr+2xz5KvEwt7Ao2m0KfryiKjxMsZlc/sUeTcAR48gRByiKGqVfYoibX+Pd8UqYu:0+Sz5KvRLb2jKsvLcAR48gny7w+EYEAQ
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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation c8fdd4da6a7aaa77cb6153230ecb1e30N.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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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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 c8fdd4da6a7aaa77cb6153230ecb1e30N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1592 wrote to memory of 4200 1592 c8fdd4da6a7aaa77cb6153230ecb1e30N.exe 89 PID 1592 wrote to memory of 4200 1592 c8fdd4da6a7aaa77cb6153230ecb1e30N.exe 89 PID 1592 wrote to memory of 4200 1592 c8fdd4da6a7aaa77cb6153230ecb1e30N.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\c8fdd4da6a7aaa77cb6153230ecb1e30N.exe"C:\Users\Admin\AppData\Local\Temp\c8fdd4da6a7aaa77cb6153230ecb1e30N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ytk.bat" "C:\Users\Admin\AppData\Local\Temp\c8fdd4da6a7aaa77cb6153230ecb1e30N.exe" "2⤵
- System Location Discovery: System Language Discovery
PID:4200
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71B
MD5e6b031b9b7d40fa332ebc6f38b2f9f64
SHA1d6dbffcfcc6a26188fd8d2e5b6257af4821fb48f
SHA25666a04ff993916bce61351e4c3b94ea079c806efb1723c7cd79bd32aaf6847e0b
SHA5127d17655334fcda4c3326110d340fd91cd23ee284dec99c3a8bbc8408342fda5f51e27aaba75fba4cccd513c342c22f07ad2cf6e2326ba575e3cc0eba4ea91948