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Analysis
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max time kernel
140s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13/01/2025, 05:06
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe
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Size
176KB
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MD5
21a5a10931d66bee19c9b2b917587455
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SHA1
6718a4b026f557a68863ca1bbaacc583ef639902
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SHA256
4de643b66d308b4e8923a9865fd9637743f48e2169310ed6eae990dab52e80c5
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SHA512
d9ab7541c4ee10e4dd21e1f2f2b199e743e4c45e487d5e767f86f15a411a1dc4ff8ce09f5404aecf6db53d5fed2926d3e42faabefb3e3b3facc68b83b6880732
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SSDEEP
3072:De7I1T0TeBNyamA+4X0sVPMZHG6TohKpPTSbufQjNM3NtE06woM0yxOoEgEZw:DeoT0TeBNynA+49EdFpTSbuwoE0R0cOy
Malware Config
Signatures
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Cycbot family
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Detects Cycbot payload 5 IoCs
Cycbot is a backdoor and trojan written in C++.
resource yara_rule behavioral1/memory/2156-7-0x0000000000400000-0x000000000048D000-memory.dmp family_cycbot behavioral1/memory/2012-15-0x0000000000400000-0x000000000048D000-memory.dmp family_cycbot behavioral1/memory/552-85-0x0000000000400000-0x000000000048D000-memory.dmp family_cycbot behavioral1/memory/2012-138-0x0000000000400000-0x000000000048D000-memory.dmp family_cycbot behavioral1/memory/2012-185-0x0000000000400000-0x000000000048D000-memory.dmp family_cycbot -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe" JaffaCakes118_21a5a10931d66bee19c9b2b917587455.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/2012-1-0x0000000000400000-0x000000000048D000-memory.dmp upx behavioral1/memory/2156-4-0x0000000000400000-0x000000000048D000-memory.dmp upx behavioral1/memory/2156-5-0x0000000000400000-0x000000000048D000-memory.dmp upx behavioral1/memory/2156-7-0x0000000000400000-0x000000000048D000-memory.dmp upx behavioral1/memory/2012-15-0x0000000000400000-0x000000000048D000-memory.dmp upx behavioral1/memory/552-85-0x0000000000400000-0x000000000048D000-memory.dmp upx behavioral1/memory/552-84-0x0000000000400000-0x000000000048D000-memory.dmp upx behavioral1/memory/2012-138-0x0000000000400000-0x000000000048D000-memory.dmp upx behavioral1/memory/2012-185-0x0000000000400000-0x000000000048D000-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_21a5a10931d66bee19c9b2b917587455.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2012 wrote to memory of 2156 2012 JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe 30 PID 2012 wrote to memory of 2156 2012 JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe 30 PID 2012 wrote to memory of 2156 2012 JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe 30 PID 2012 wrote to memory of 2156 2012 JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe 30 PID 2012 wrote to memory of 552 2012 JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe 33 PID 2012 wrote to memory of 552 2012 JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe 33 PID 2012 wrote to memory of 552 2012 JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe 33 PID 2012 wrote to memory of 552 2012 JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe"1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft2⤵
- System Location Discovery: System Language Discovery
PID:2156
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21a5a10931d66bee19c9b2b917587455.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp2⤵
- System Location Discovery: System Language Discovery
PID:552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD52e21ca87c6435ef02c869a46f89ecac5
SHA14b621ab4d556fcd09ad697bed6782004feafcbfc
SHA25600f893e16036cfa772ea7600f6cae3d4fbc278ca34d5c7d26515530ba3c56b07
SHA51291070b027fea2ffbd32e8d16ac7d6fc0d32c484aeba61e8785ca96202c48ccfa38f372a3999d031c28e88890cbbf58cc6e11116ab543af81b9360cbe3f53800a
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Filesize
600B
MD520de2e3a21e18d71aaf4f60f03b4bd73
SHA15bcf0b1589ec4d135f63151244b1b4e6bc5d9ef3
SHA256a5f9ebd364c3d71b87a0f46f3884fcf0e9de7e44a3b1a428b86b304a27033174
SHA5126477ea18d40b471244684efbc6db6b067fbe11e2e30f048fd6504c71725672165bed14642eaa949cb88d31db9648eea11419393eff9ffde1adf2c0d1448e7045
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Filesize
996B
MD5ae9e00033592f23dc8286b2c6ef98884
SHA1aaa66296da74a17fb2db7442a4d8fb8935eef622
SHA256a4ba2f5178371fab309d8a3838cbd500fe376020fb977f9794bff1e0167e6542
SHA512e2492cf7d73193ed10808cf0c458d703011a9d0d54239ba066bfda9d8a7cba01a54682de9c8b97f31e969fdc9494c350a240040a71935fdb72dd1651b8ddb277