Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-09-2024 21:36
Static task
static1
Behavioral task
behavioral1
Sample
f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exe
Resource
win10v2004-20240802-en
General
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Target
f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exe
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Size
277KB
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MD5
e314f07602dfa331c44cd07d4f4b6995
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SHA1
06ddf79f4df83d05cdfce1acd2dfeac99f0af194
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SHA256
f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724
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SHA512
0f8a53c675e2cb12026e23a2fce4811783b3f16d56a324949d3b1de696e283ca3348bb9ad7964a61a3721f5ab4544e3029e26a46e6116d3d175f01b1c554412c
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SSDEEP
6144:AAZil/DRfkTC3dM7B+mCGBV+UdvrEFp7hKfGL:AAZilbRfky6B+mCGBjvrEH7pL
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll acprotect -
Loads dropped DLL 1 IoCs
Processes:
f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exepid process 2980 f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exe -
Processes:
resource yara_rule behavioral1/memory/2980-4-0x0000000010000000-0x0000000010030000-memory.dmp upx \Program Files\Common Files\System\symsrv.dll upx behavioral1/memory/2980-7-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exedescription ioc process File created C:\Program Files\Common Files\System\symsrv.dll f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.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.
Processes:
f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exedescription pid process Token: SeDebugPrivilege 2980 f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exe"C:\Users\Admin\AppData\Local\Temp\f91bb3e7502844b6cf5f4310e30781b98f1561d6d9f680852a11d5dbb8b6e724.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2980
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab