Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-04-2024 23:42
Static task
static1
Behavioral task
behavioral1
Sample
993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe
Resource
win10v2004-20240226-en
General
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Target
993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe
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Size
71KB
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MD5
2760418b3432067c2872bf64d585606b
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SHA1
23daab32a709c6bae525ba09c8f526934fc71c34
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SHA256
993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa
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SHA512
6e76e65b2aac5c6d67135e118950650c73c043990455d2c79790d7178876ba9ea4af55cd5b25aface157d9beb0ae002cf83820e12035c29fdc06bb2b2cafc69d
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SSDEEP
1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTX:ZhpAyazIlyazTX
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
CTS.exepid process 2956 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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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exeCTS.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.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
Processes:
993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exeCTS.exedescription ioc process File created C:\Windows\CTS.exe 993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exeCTS.exedescription pid process Token: SeDebugPrivilege 2940 993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe Token: SeDebugPrivilege 2956 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exedescription pid process target process PID 2940 wrote to memory of 2956 2940 993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe CTS.exe PID 2940 wrote to memory of 2956 2940 993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe CTS.exe PID 2940 wrote to memory of 2956 2940 993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe CTS.exe PID 2940 wrote to memory of 2956 2940 993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe CTS.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe"C:\Users\Admin\AppData\Local\Temp\993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2940 -
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:2956
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD542a6e466693343a2bf761b139e5d1081
SHA16e070f7fb3f52674edd6f8f4ab3c0bb7d519f312
SHA256ca0eda1255d46dd67a33557d1a34e9e63325c1c2fe4c45bf7cb189d5a288cc6a
SHA512a5f4bb3c619e271442792a3518084855814480bcf9ebfff7b7fc515dab57f3212a42061994d921d870087900f642e28a3f7d74832ef4a5d129544d529d0c6a45
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Filesize
71KB
MD566df4ffab62e674af2e75b163563fc0b
SHA1dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA256075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
SHA5121588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25