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Analysis
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max time kernel
140s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17/01/2025, 15:28
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe
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Size
164KB
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MD5
8fb470d1b4b6d67a3970d3c7b9e8f1e5
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SHA1
e534f165db10cdf48e90b91a4777c6a8bf6827be
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SHA256
aa61b3486a63f701432f1341321ced553149d7b084e4a0e3d28340a4033c08c9
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SHA512
1eb7c9c52d228c50c949ef5b2a7901671e34fb7571220498848f52aa2daf44418d0dc5c4f71e8a00b6d1e3ac3496e74ba7f02471bc10cf99a1744fea97d86785
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SSDEEP
3072:dQgbMCivSMirg3J5UFXZ6R2CHykeANfyeBpMVVDKov1jAjW:Sms3J5mVqytUKeLMjP8y
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/1740-14-0x0000000000400000-0x0000000000444000-memory.dmp family_cycbot behavioral1/memory/2340-15-0x0000000000400000-0x0000000000444000-memory.dmp family_cycbot behavioral1/memory/2340-80-0x0000000000400000-0x0000000000444000-memory.dmp family_cycbot behavioral1/memory/2308-82-0x0000000000400000-0x0000000000444000-memory.dmp family_cycbot behavioral1/memory/2340-153-0x0000000000400000-0x0000000000444000-memory.dmp family_cycbot behavioral1/memory/2340-157-0x0000000000400000-0x0000000000444000-memory.dmp family_cycbot -
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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe" JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe -
resource yara_rule behavioral1/memory/2340-2-0x0000000000400000-0x0000000000444000-memory.dmp upx behavioral1/memory/1740-13-0x0000000000400000-0x0000000000444000-memory.dmp upx behavioral1/memory/1740-14-0x0000000000400000-0x0000000000444000-memory.dmp upx behavioral1/memory/2340-15-0x0000000000400000-0x0000000000444000-memory.dmp upx behavioral1/memory/2340-80-0x0000000000400000-0x0000000000444000-memory.dmp upx behavioral1/memory/2308-82-0x0000000000400000-0x0000000000444000-memory.dmp upx behavioral1/memory/2340-153-0x0000000000400000-0x0000000000444000-memory.dmp upx behavioral1/memory/2340-157-0x0000000000400000-0x0000000000444000-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_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2340 wrote to memory of 1740 2340 JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe 30 PID 2340 wrote to memory of 1740 2340 JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe 30 PID 2340 wrote to memory of 1740 2340 JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe 30 PID 2340 wrote to memory of 1740 2340 JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe 30 PID 2340 wrote to memory of 2308 2340 JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe 33 PID 2340 wrote to memory of 2308 2340 JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe 33 PID 2340 wrote to memory of 2308 2340 JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe 33 PID 2340 wrote to memory of 2308 2340 JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming2⤵
- System Location Discovery: System Language Discovery
PID:1740
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fb470d1b4b6d67a3970d3c7b9e8f1e5.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp2⤵
- System Location Discovery: System Language Discovery
PID:2308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5b7629f8f0b4c5002c74ef73764e317ad
SHA149323c351ee4aaef72fc34b8a5081771fb5eb0de
SHA256b45b0832336e6f63411adea9e70f7621fa7379d50292d8458301fb66b70c08e4
SHA512a36a1dd928f68cf633d85855282b8d2a8f9f8774b07a5d7791675accc6d7336d81f94bacd3f7b2d51e9cc952d6333317cdee70eeb4b1164b5d422fddb5219355
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Filesize
600B
MD54f808f03777f7d3d7267c039d9ad6438
SHA1d70a475506a65f62696f2d55a7062269168ce65e
SHA256dc313056efd441276b893c8a2b5105efa031b230f86e2adfa3e33c37008f3cbf
SHA512388e57d2459cbca729f1fb5b535fa20fb263f4a0df2ad933a4ed7b005d7df83bdf7cc93d12fd92e87789f15efa1485089f0df21c3050bfa68df61bc9ac941f53