Analysis
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max time kernel
202s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 01:19
Behavioral task
behavioral1
Sample
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe
Resource
win10v2004-20221111-en
General
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Target
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe
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Size
65KB
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MD5
347c9b77db77aa036a9b59a2ecee9270
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SHA1
37446fafa3be3716af70cf846322785f237cfa18
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SHA256
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158
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SHA512
59388e08de520ad96cdfb8580620e1999b201c31f67e34a73ee1f6df3ae1f1dc0915338626b9d769d1854416cad0779ca75d3d48ad93ed636fa28aaec8423b5b
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SSDEEP
1536:6kFq6YpQMRQi1C10l1bOLkNaAn/Bcteel:lt8QMRQKlOLpl
Malware Config
Signatures
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Nirsoft 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2008-55-0x0000000000400000-0x0000000000423000-memory.dmp Nirsoft behavioral1/memory/2008-56-0x0000000000400000-0x0000000000423000-memory.dmp Nirsoft -
Drops file in Drivers directory 1 IoCs
Processes:
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exedescription ioc process File created C:\Windows\SysWOW64\drivers\NirSoftOpenedFilesDriver.sys ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NirSoftOpenedFilesDriver\ImagePath = "\\??\\C:\\Windows\\system32\\drivers\\NirSoftOpenedFilesDriver.sys" ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe -
Processes:
resource yara_rule behavioral1/memory/2008-55-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral1/memory/2008-56-0x0000000000400000-0x0000000000423000-memory.dmp upx -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exepid process 2008 ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exepid process 2008 ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exedescription pid process Token: SeLoadDriverPrivilege 2008 ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe Token: SeDebugPrivilege 2008 ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe"C:\Users\Admin\AppData\Local\Temp\ff89fc90fe7a92f6791576a7d23ee2f6565243e23c8c53337093ae7b1bf31158.exe"1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2008