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Analysis
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max time kernel
141s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13/01/2025, 06:52
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe
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Size
180KB
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MD5
23a600f3feb8a4c97be5b340d8a23d22
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SHA1
69e0ae6e0f7a1bde2c0181061f5464e80adc6921
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SHA256
a70f764ae1eb6ae3fb5ef599b86db3a0847c148d86546ae0566bf9abb8686a77
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SHA512
ec0246ad77c59b3f8b2fa4aeb13b3cf51cfbcf99988d3bc8cfcfde0f82c4a67200b1a5e2fc4f7063152d737c55cab843c9e5748f6e4ca89d3f31903db2196d17
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SSDEEP
3072:ZLcyLkwnNCCNWPUTymCveMrNfLGJkJZZHC4jfqhPiqi2ZgRDrYmeRXCd:ZrLkHCNJb4dLzJZZHpSPJ8TP
Malware Config
Signatures
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Cycbot family
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Detects Cycbot payload 6 IoCs
Cycbot is a backdoor and trojan written in C++.
resource yara_rule behavioral1/memory/2088-8-0x0000000000400000-0x0000000000466000-memory.dmp family_cycbot behavioral1/memory/2112-18-0x0000000000400000-0x0000000000466000-memory.dmp family_cycbot behavioral1/memory/2636-77-0x0000000000400000-0x0000000000466000-memory.dmp family_cycbot behavioral1/memory/2112-78-0x0000000000400000-0x0000000000466000-memory.dmp family_cycbot behavioral1/memory/2112-175-0x0000000000400000-0x0000000000466000-memory.dmp family_cycbot behavioral1/memory/2112-210-0x0000000000400000-0x0000000000466000-memory.dmp family_cycbot -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe" JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe -
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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resource yara_rule behavioral1/memory/2112-2-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/memory/2088-8-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/memory/2088-7-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/memory/2112-18-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/memory/2636-76-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/memory/2636-77-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/memory/2112-78-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/memory/2112-175-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/memory/2112-210-0x0000000000400000-0x0000000000466000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 3 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 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2088 2112 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe 30 PID 2112 wrote to memory of 2088 2112 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe 30 PID 2112 wrote to memory of 2088 2112 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe 30 PID 2112 wrote to memory of 2088 2112 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe 30 PID 2112 wrote to memory of 2636 2112 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe 33 PID 2112 wrote to memory of 2636 2112 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe 33 PID 2112 wrote to memory of 2636 2112 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe 33 PID 2112 wrote to memory of 2636 2112 JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe"1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft2⤵
- System Location Discovery: System Language Discovery
PID:2088
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23a600f3feb8a4c97be5b340d8a23d22.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp2⤵
- System Location Discovery: System Language Discovery
PID:2636
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5dbbb4726cbc63941f4451a31117a7697
SHA1b95b174592b52ed5996614a3de536a0d3dac8dc2
SHA256b2ff7b824028aeb5ec99e0d9caa343ae88ba98995304b428833f0a111ecbd17d
SHA5126de6b04b0213aea546c27061c89809f9ed2de671cdce8b74e847b1775c5b915a1c0167227d40d31dea220e0d9c8b3afc6c9ee0ea9d6e2e6ba82d4d70cc1a2add
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Filesize
897B
MD508434fe0e91e08b1d0cd9be98f519348
SHA18eee3761c9ef8c705a5fc5bc2593852a0707de03
SHA25621ac89316802119835e38a07914a21b63ea6d8285fc6e7db4cac7eafcaee33d7
SHA512680437315eafe28489e937d5e80f5f2855b8a12c84fdeda1a4e6d5faaed9c12e40233bc4e8caabf64e3476511efe914406eaedb6bb8def4b766b2af30a3ddb60
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Filesize
1KB
MD56d04087d3e665c0c8cfee4af18e2013e
SHA16c15d4edd1dce8f1a8a11c33adf33701f373c052
SHA2562e0fa90de681132f3962b534e60eea452e2a30e29b5a22963a4c7dbdb3d9397e
SHA512701b483d4f86f7731f27c965e6d7861caad8f765d307f5a1298218210ddc57c9cc05a794ab932e014c909e82914ef7c55f921157e3720641e4cb15138ea97100