Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2024, 18:33
Behavioral task
behavioral1
Sample
a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe
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Size
28KB
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MD5
a379c16f2858be2cefdc91878c3d8b8e
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SHA1
67df0060e3327390e23fd26a67ae1ec34397535e
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SHA256
4aae795faf59f3a25492cd7799c434f6183f4cbb476a51a5e4df766570a2c13c
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SHA512
26e4aca3c6816c04bddef6ca4c08e708a20ddb52f2924de8cf06792053d3859d86d9b1c0e64e9f0e6d8bd118822509d71e61fa6ee55df67c3782f3b663395742
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SSDEEP
768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIoR:egKcR4mjD9r82w
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2188 CTS.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral2/memory/2744-0-0x0000000000D10000-0x0000000000D27000-memory.dmp upx behavioral2/files/0x00080000000231fa-6.dat upx behavioral2/memory/2744-9-0x0000000000D10000-0x0000000000D27000-memory.dmp upx behavioral2/memory/2188-7-0x00000000000A0000-0x00000000000B7000-memory.dmp upx behavioral2/files/0x00040000000006e5-12.dat upx behavioral2/files/0x00080000000231f7-29.dat upx behavioral2/memory/2188-31-0x00000000000A0000-0x00000000000B7000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\CTS.exe a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2744 a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe Token: SeDebugPrivilege 2188 CTS.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2744 wrote to memory of 2188 2744 a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe 85 PID 2744 wrote to memory of 2188 2744 a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe 85 PID 2744 wrote to memory of 2188 2744 a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2188
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
349KB
MD589c24fe436ed7fce6544ff9769badbc1
SHA1cadde4fc64d0a51ca5e7009b392a96a782dbfdbe
SHA2560b40a488f80431f0694b811471f2f99755d37e60c325e9f31baf6170391099a4
SHA5122350050e364decf6e35c63859b467d073c4062ac1a41cfdad9bcf6816abb0e1047feece20d84fe267a02daf2cc6f728eb1f546922eea7b80d6f5c8ac4203b187
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Filesize
28KB
MD58268e43cf36bbed9f57c692f339f8a8e
SHA18a83f826d378f0459795a24223012d4d7173cb32
SHA256bdfdeda7c8b740762d25f85e5861d778ac683cb95f5aeae310257c3f0bddec43
SHA5123cded61715b29408d30e2ba716e472408e9f1a17d38acfcd91a807835c2e0493b8b28492f45a996fcb61b43d12f01695f7fb300c4fe9d736caf1cf1ecb6fd83d
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Filesize
28KB
MD5e6150447c894ade7b2b9ee88d5933922
SHA1dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1
SHA256b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118
SHA512d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0