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Analysis
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max time kernel
140s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
02/09/2024, 23:43
Behavioral task
behavioral1
Sample
e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe
Resource
win10v2004-20240802-en
General
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Target
e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe
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Size
239KB
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MD5
b291a76fac914678daafc9d0a6f8e8cc
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SHA1
8a7b74496983239c1a28ce9d6f2d382ec8b55c55
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SHA256
e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28
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SHA512
02ce74d892f280beabdb32e7be6df7763e0953085a35d87c725df6a074e3c8830bbd2f7a0b07aede895580df941717b307e775dc484f4472dc81832d2b59b8e1
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SSDEEP
6144:Sjepbtc3rWVM9YdgxRtMSsHSFGLQ6Y5xKu+1+hUUEi3:SjephYqVM/xeS7xKuFhlEW
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2240 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 behavioral1/memory/2268-0-0x0000000001340000-0x0000000001357000-memory.dmp upx behavioral1/files/0x001f0000000186c2-8.dat upx behavioral1/memory/2268-10-0x0000000001340000-0x0000000001357000-memory.dmp upx behavioral1/memory/2240-12-0x0000000000E70000-0x0000000000E87000-memory.dmp upx behavioral1/memory/2268-5-0x00000000000E0000-0x00000000000F7000-memory.dmp upx behavioral1/memory/2240-66-0x0000000000E70000-0x0000000000E87000-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" e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.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 CTS.exe File created C:\Windows\CTS.exe e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.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 e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2268 e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe Token: SeDebugPrivilege 2240 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2268 wrote to memory of 2240 2268 e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe 30 PID 2268 wrote to memory of 2240 2268 e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe 30 PID 2268 wrote to memory of 2240 2268 e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe 30 PID 2268 wrote to memory of 2240 2268 e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.exe"C:\Users\Admin\AppData\Local\Temp\e45f1f223c96890edce351a786cf6c06372a19644c66dae313e9f6d3ede09b28.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:2268 -
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:2240
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
211KB
MD5c8de286db6efa226a8a11950a23039ee
SHA14d6dca87996dda6a1e6d333b128b2c964be40779
SHA256edaf8fe00263ff57c12866648f26c8fc7785280caf1378f30d16870534347a3c
SHA512d063fe8547971ba4db0b78dcd4b388a2dd8326ccae0afb99b9cdce6c6abb2ce40a0d72a98b0ce49243f839eccf61033c93e6a220743d42b6a1eb8ea25ce7be42
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Filesize
28KB
MD5e6150447c894ade7b2b9ee88d5933922
SHA1dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1
SHA256b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118
SHA512d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0