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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
25/10/2024, 20:59
Static task
static1
Behavioral task
behavioral1
Sample
7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe
Resource
win10v2004-20241007-en
General
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Target
7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe
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Size
110KB
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MD5
c711a01b7bcbff772f9f8c1d75d7d870
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SHA1
f991023ce1bb683b6f75132facf15776fde442ae
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SHA256
7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54
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SHA512
dde2086feac57b4345a72ed1f265a5de413621a8215e1da74a044d9f68eaa3d2892009a15f25031939f725749634374784f73608341ada913b707f8b4f4dd47b
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SSDEEP
3072:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNB3+IQODwO1yU/0:GjYKlAhUBVB3pQODH1yUc
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1944 CTS.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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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" 7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.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 7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe File created C:\Windows\CTS.exe CTS.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2084 7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe Token: SeDebugPrivilege 1944 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2084 wrote to memory of 1944 2084 7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe 30 PID 2084 wrote to memory of 1944 2084 7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe 30 PID 2084 wrote to memory of 1944 2084 7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe 30 PID 2084 wrote to memory of 1944 2084 7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe"C:\Users\Admin\AppData\Local\Temp\7a76ffc52008454a2ec6f185247fd241ee691f5d178aade7c30dc5e11444fc54N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084 -
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:1944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
24KB
MD5085ebd119f5fc6b8f63720fac1166ff5
SHA1af066018aadec31b8e70a124a158736aca897306
SHA256b8411fe8ec499074fca9047f6983d920279e84ddf3b02b2dd5c08cf07ec44687
SHA512adb0522830db26123347cb485c43b156f5c888510e52091ba0fafc22b650ad29630c027746c920321905c28259dce7ff63dded93a79efddd5567c68312117875
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Filesize
86KB
MD50f736d30fbdaebed364c4cd9f084e500
SHA1d7e96b736463af4b3edacd5cc5525cb70c593334
SHA256431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34
SHA512570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566