Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-02-2024 13:27
Behavioral task
behavioral1
Sample
AA_v3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
AA_v3.exe
Resource
win10v2004-20240221-en
General
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Target
AA_v3.exe
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Size
798KB
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MD5
90aadf2247149996ae443e2c82af3730
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SHA1
050b7eba825412b24e3f02d76d7da5ae97e10502
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SHA256
ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
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SHA512
eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be
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SSDEEP
24576:Uj0JJ4p/A4npt3XojeQG5EtzRtO7GvmDguXd:UjoJ4u4zojegylDN
Malware Config
Signatures
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FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
AA_v3.exedescription ioc process File opened for modification \??\PhysicalDrive0 AA_v3.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AA_v3.exepid process 2404 AA_v3.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
AA_v3.exedescription pid process target process PID 2352 wrote to memory of 2404 2352 AA_v3.exe AA_v3.exe PID 2352 wrote to memory of 2404 2352 AA_v3.exe AA_v3.exe PID 2352 wrote to memory of 2404 2352 AA_v3.exe AA_v3.exe PID 2352 wrote to memory of 2404 2352 AA_v3.exe AA_v3.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"1⤵
- Writes to the Master Boot Record (MBR)
PID:2088
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C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch1⤵
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:2404
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
327B
MD527616b65d0e8556da1d30338eebaba41
SHA1495f46cf09bc8a1c41f7cf35634fb5bfae5cbff9
SHA25655430e415c1357ea25b900ef4b3b40ece09c031ef09fc71dddcc592c49e9c72b
SHA512175d1b1a1b7975a64c7c6c850188d9a445b7e20fa2b8d44e4f82ab77d4a5e19b36ab413126137839b21ea6a688abf0ab6a39e28511291434268ff00a30e7424e