Analysis
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max time kernel
120s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-04-2024 23:15
Static task
static1
Behavioral task
behavioral1
Sample
8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe
Resource
win10v2004-20240319-en
General
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Target
8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe
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Size
259KB
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MD5
344a42c7fa0f48108bbe1832d75b4296
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SHA1
a0b273d216487ea79096616a4225c157f522e967
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SHA256
8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56
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SHA512
d97499d427815c6dd90a38ca117783f796c63afa3cbd54c6889b7d9c979894b850aee460df7c8fbaa93fc74dacda4a64d6e94d9d8b52104f5980917738d075c5
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SSDEEP
3072:kjr87SHQ/x7HmifDvzgN4G94Am5rpOqDr4f22ySnxucAVsQMos854h7Pegb/sH:5vAciOrVwpnxTKs5oZCU
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
CTS.exepid process 2288 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:
8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exeCTS.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.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:
8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exeCTS.exedescription ioc process File created C:\Windows\CTS.exe 8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exeCTS.exedescription pid process Token: SeDebugPrivilege 1268 8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe Token: SeDebugPrivilege 2288 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exedescription pid process target process PID 1268 wrote to memory of 2288 1268 8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe CTS.exe PID 1268 wrote to memory of 2288 1268 8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe CTS.exe PID 1268 wrote to memory of 2288 1268 8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe CTS.exe PID 1268 wrote to memory of 2288 1268 8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe CTS.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe"C:\Users\Admin\AppData\Local\Temp\8dfb073895c4a3f81920a488dc23dc9124d5048907697048e07845303d4fbe56.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1268 -
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:2288
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
178KB
MD5f4935e39cd1008b6677ecaff658b51d4
SHA1c88f99bb82cbbf96992c36b61f6c614a15abc9d6
SHA256ebc4c06b7d95e74e315419ee7e88e1d0f71e9e9477538c00a93a9ff8c66a6cfc
SHA512b69050b1ee3a201d52a88742d7f441e5ea1cf5213729cccc634577807a1579c13f24d5ff28567d7dfa09633b21ffc51af7b44c0dbd82c0f5dd477aad72246906
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Filesize
80KB
MD5ec704028ad7125c2fa52e04dc68c0ca3
SHA12a63f27d0138696c9c27a9ea2534e8f2ca11ddc4
SHA2565f77a5d7c9eac3b004820646dece450e315a6e3ed320dc183ae68d59cd2318bf
SHA512a008a08c980583b8698431ca44fa45d5565fdc5316dc3e58c47ae523e7a7a776162979b0c79f9c64f0b71e0d98fb49102679378354f76c270d0c99207c15d160