Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03/04/2024, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe
Resource
win10v2004-20240226-en
General
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Target
25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe
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Size
96KB
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MD5
37c846c8435b49b4fad2807f1898cbe7
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SHA1
c367f65733eb7c1af7c2ceb2c70484a330300930
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SHA256
25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66
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SHA512
3977391fd7126cdcbd25405f0824a754c80e9b0911cdb224f5c4e900b11cea02d738303475f0c3f0eea71c333fa128df951495cccd2d6181f7366bc89d0fa794
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SSDEEP
1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTQ7a/ENNox+0h1Gg8ol:ZhpAyazIlyazTeND0/Xl
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2980 zEHsvgHi8NzTGu6.exe 2760 CTS.exe -
Loads dropped DLL 3 IoCs
pid Process 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 2856 Process not Found -
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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.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 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe Token: SeDebugPrivilege 2760 CTS.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2928 wrote to memory of 2980 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 28 PID 2928 wrote to memory of 2980 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 28 PID 2928 wrote to memory of 2980 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 28 PID 2928 wrote to memory of 2980 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 28 PID 2928 wrote to memory of 2760 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 30 PID 2928 wrote to memory of 2760 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 30 PID 2928 wrote to memory of 2760 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 30 PID 2928 wrote to memory of 2760 2928 25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe"C:\Users\Admin\AppData\Local\Temp\25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Users\Admin\AppData\Local\Temp\zEHsvgHi8NzTGu6.exeC:\Users\Admin\AppData\Local\Temp\zEHsvgHi8NzTGu6.exe2⤵
- Executes dropped EXE
PID:2980
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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:2760
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
96KB
MD5c7572251e167a0f9798fb7671be00b82
SHA1b2dee87ff7c95887def2d6d798bffb6ca8d0114b
SHA256ec774ee624f0f708be405e419bfbbfe57311a6a67a837014e10d91b306ed3404
SHA51235b9f1f263821e6fe0ed50531384dc26e24b5bff66436b29f752c4b0049414ddaa3dccf8d9f84a1dfe8324c9d4d4bd73d661eb146774d03e7d926b98c340b4f2
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Filesize
71KB
MD566df4ffab62e674af2e75b163563fc0b
SHA1dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA256075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
SHA5121588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
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Filesize
25KB
MD5abbd49c180a2f8703f6306d6fa731fdc
SHA1d63f4bfe7f74936b2fbace803e3da6103fbf6586
SHA2565f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1
SHA512290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9