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Analysis
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max time kernel
140s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
30/06/2024, 23:15
Behavioral task
behavioral1
Sample
7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe
Resource
win10v2004-20240508-en
General
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Target
7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe
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Size
32KB
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MD5
3c8b6c44e723252585b86acc2451f176
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SHA1
61dc904437a022823f108371ef331a9920693682
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SHA256
7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e
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SHA512
fc6d718c483aad46a0003e8aa75624b01089f9115fed2c6628c07d931618f92e27e502a2e18c9501ef0f210ebd4005335d453ff2aeb44622e87c67ab2c9c6373
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SSDEEP
768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCMb+OxGyLzI4Hc:N5VzcfA/6LrVpL74gfh16nb1x1l8
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2876 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/2648-0-0x0000000000080000-0x0000000000098000-memory.dmp upx behavioral1/files/0x000a0000000130f9-7.dat upx behavioral1/memory/2876-11-0x0000000000FD0000-0x0000000000FE8000-memory.dmp upx behavioral1/memory/2648-10-0x0000000000080000-0x0000000000098000-memory.dmp upx behavioral1/files/0x000500000000b309-14.dat upx behavioral1/memory/2876-17-0x0000000000FD0000-0x0000000000FE8000-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" 7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.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 7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2648 7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe Token: SeDebugPrivilege 2876 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2648 wrote to memory of 2876 2648 7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe 28 PID 2648 wrote to memory of 2876 2648 7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe 28 PID 2648 wrote to memory of 2876 2648 7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe 28 PID 2648 wrote to memory of 2876 2648 7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe"C:\Users\Admin\AppData\Local\Temp\7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648 -
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:2876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
32KB
MD55a8b7e97f832d35b68b1976e1942a4e9
SHA16c6219e2f2f1c7cfe2d6bfdba89319f5b394f3d2
SHA2565df4d9ed20dcc52d8072d1c5c167a2fdde8206264e39e22d419b671e6c7449e6
SHA5123ccef3611d0e2ef5b03d27d831b1c72a1de0f46cf1c83647c5d75596c0ef8e80c17bdde3b671668c921bfdcaba55dc305405af7e3c441530fca32d85bbf61e5e
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Filesize
27KB
MD5a6749b968461644db5cc0ecceffb224a
SHA12795aa37b8586986a34437081351cdd791749a90
SHA256720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2
SHA5122a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4