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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18/12/2024, 11:17
Static task
static1
Behavioral task
behavioral1
Sample
4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe
Resource
win7-20240903-en
General
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Target
4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe
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Size
265KB
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MD5
22571c71b56b02948b7087e3082e55dd
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SHA1
a5e658bede428d3526efd2356f34bb39e890ea3b
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SHA256
4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9
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SHA512
4d9490647d4f546d8f6afe71ecff07fae4886d059545372f64470f32fca906207fe4ca44ad22b560eaf77f21a031d57f6e612744413b6d041d1ca26198c01f86
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SSDEEP
3072:0Y4UBFIq/C3gYvtYtJoVwdHKKNuvpduV8d4i/3pb5kueEe8cRXgM26bHgEZkvhrT:PHbtXujuDg3VqueEyEGHPk5d13Hrn
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 3904 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe -
Loads dropped DLL 1 IoCs
pid Process 3904 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe -
resource yara_rule behavioral2/memory/3904-6-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 980 3904 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 3904 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe 3904 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe Token: SeDebugPrivilege 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe Token: SeDebugPrivilege 3904 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5012 wrote to memory of 3904 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 82 PID 5012 wrote to memory of 3904 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 82 PID 5012 wrote to memory of 3904 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 82 PID 5012 wrote to memory of 4984 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 86 PID 5012 wrote to memory of 4984 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 86 PID 5012 wrote to memory of 4984 5012 4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe"C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exeC:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 5563⤵
- Program crash
PID:980
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:4984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3904 -ip 39041⤵PID:2924
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe
Filesize119KB
MD52b82e42b86124939e0b3e611eae490cf
SHA1a298ab41ac42bab05dc103892986ae97f1f9ea9c
SHA2565ba6cbdbe30aa65c7423b1b996e025e1ab011e83ce66d7d9376c5d6ac76b9237
SHA5122a6334bdf1f034f1f69570bfcfbe96ddc6d8058b876c5cc5757d6426095c4a7cfefba1f557773606ca2e7c1960f8f3660a963ddef48369ebd51df4c9668d448c
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219