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Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/09/2024, 09:17
Static task
static1
Behavioral task
behavioral1
Sample
ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe
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Size
5.9MB
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MD5
ef7c6cf6805e5a2f7ffac43da977e4c8
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SHA1
811b43c06d58dcaf9ee4f5e62e2ec834104c1293
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SHA256
93ef7eb19d5707f86cfae9a0129662ef09ad32897bb4fe3981c09a193ab9b056
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SHA512
e2726e3d463f09bdcfd176c6a77479d186dcaea25ca5bd92dfa93e3093c1c64e3362fccf58fb0ce53bff47fa6bc68d0d577a9d7af43a653b65743ddfd8bd64b1
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SSDEEP
6144:7/m9kF4LhB959Ak24Fa8yVRasuSuvfQ1dskAsaJraBCDorAB:bfFWB9bpFatVMPfgsVpraB
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 5 IoCs
resource yara_rule behavioral1/memory/2960-11-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral1/memory/2960-7-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral1/memory/2960-15-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral1/memory/2960-26-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral1/memory/2960-31-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Deletes itself 1 IoCs
pid Process 2100 cmd.exe -
resource yara_rule behavioral1/memory/2112-20-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2112-19-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2112-18-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2112-16-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2112-24-0x0000000000400000-0x0000000000453000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2376 set thread context of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2960 set thread context of 2112 2960 vbc.exe 32 -
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 5 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 vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2100 cmd.exe 2736 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2736 PING.EXE -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2960 vbc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2960 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 31 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2960 wrote to memory of 2112 2960 vbc.exe 32 PID 2376 wrote to memory of 2100 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 33 PID 2376 wrote to memory of 2100 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 33 PID 2376 wrote to memory of 2100 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 33 PID 2376 wrote to memory of 2100 2376 ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe 33 PID 2100 wrote to memory of 2736 2100 cmd.exe 35 PID 2100 wrote to memory of 2736 2100 cmd.exe 35 PID 2100 wrote to memory of 2736 2100 cmd.exe 35 PID 2100 wrote to memory of 2736 2100 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2960 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe/scomma "C:\Users\Admin\AppData\Local\Temp\K5Fnk4iP4p.ini"3⤵
- System Location Discovery: System Language Discovery
PID:2112
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\ef7c6cf6805e5a2f7ffac43da977e4c8_JaffaCakes118.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3