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Analysis
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max time kernel
93s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
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submitted
21/02/2025, 16:17
General
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Target
JaffaCakes118_13c8388330ef35426067eb1126dc9e50.exe
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Size
1.6MB
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MD5
13c8388330ef35426067eb1126dc9e50
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SHA1
93b517738e76404e5d30345e21a20e90845f929e
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SHA256
2c110832981d01f0214ea91cc248e8110f1272d0eec82f416b9d5c1382ab330e
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SHA512
e13fce18c37ad6274667d37e01cd64fd8c6b9f972708ff0534c5856e198750a5efbb7fec2091e14551cf9bd8220745eb0a8f692119cd347a11f86eca57bb79ee
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SSDEEP
49152:rvZebB0XQPgYKSCyHaPLNkkQNd7tNTAAr:jsbBJKSPHaDqkQN5DTAa
Malware Config
Signatures
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ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer payload 3 IoCs
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Isrstealer family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 3 IoCs
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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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
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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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13c8388330ef35426067eb1126dc9e50.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13c8388330ef35426067eb1126dc9e50.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\WirelessMon.exe"C:\Users\Admin\AppData\Local\Temp\WirelessMon.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\lol.exe"C:\Users\Admin\AppData\Local\Temp\lol.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lol.exe"C:\Users\Admin\AppData\Local\Temp\lol.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.9MB
MD5852a30b13c55f91c03c7d95affc352d2
SHA1a08cd26605043931bec9359f2db4f4e1f757500d
SHA256dbc90191fb29b76de336b49f822fff8d5c68717a497bee5212302a2ae0ffe7e1
SHA512f62ba038c91fde4096c9126a1ff763b610245deedc1d7f2589fcbdfbd99d8565d78f37248721464040f1ca795d2aea8f2ca0575e50b4fc45629b2dda803169b2
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Filesize
223KB
MD581a53142e4c2449072cf3fe30da5125e
SHA18bb7d8412cdabca78cf35d3f884988a83f51b03d
SHA256915ea44cfc6fe8417648d29ec180300f9e413c3d44e5afcf10627ebf42e77c19
SHA51218d7d7d4556bda3f1cc63956873635882a164dfe47cc425585b398616041ac6f703af3b4599599e0d5dd4ef034b975b30e99700621e79acac5abb8dfb7514e0c
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4.0MB
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Filesize
4.0MB
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Filesize
4.0MB
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Filesize
80KB
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Filesize
80KB
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Filesize
80KB