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Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02/12/2024, 22:10
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
General
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Target
file.exe
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Size
149KB
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MD5
92a881475c40674255bea18c1e5fbcef
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SHA1
bf62aaab46c70a56152d63ff48596938cb24356e
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SHA256
4a75b767a2a204c678bd2790e45c7aca74f80c84530705127340fb7b82e87ca2
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SHA512
85270af1aa7fb0ad77aef0b21cf5ab858acac41a3f61595437b45886e003ac82b3c73cccba40363ef145b8b0cc27dcaef6afa283c5f579085cdba86107c4302c
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SSDEEP
3072:lrEHFS+7rEkM5InknaPa9+FQ2WP3zSQ5Sj6HQOSbLkHVh4dI3T:eHR5nPYM8+QXdS3k16i3T
Malware Config
Extracted
asyncrat
1.0.7
Default
man-soft.gl.at.ply.gg:15630
DcRatMutex_qwqdanchun
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delay
1
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install
true
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install_file
cmd.exe
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install_folder
%AppData%
Signatures
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Asyncrat family
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Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x0007000000012117-6.dat family_asyncrat -
Executes dropped EXE 1 IoCs
pid Process 1908 myFile.exe -
Loads dropped DLL 1 IoCs
pid Process 1964 file.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1964 wrote to memory of 1908 1964 file.exe 31 PID 1964 wrote to memory of 1908 1964 file.exe 31 PID 1964 wrote to memory of 1908 1964 file.exe 31 PID 1964 wrote to memory of 1908 1964 file.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Users\Admin\AppData\Local\Temp\myFile.exe"C:\Users\Admin\AppData\Local\Temp\myFile.exe"2⤵
- Executes dropped EXE
PID:1908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
79KB
MD55b542346d8d9b31c58b7c025030686f2
SHA1182bc5a2c94adf62df342d9a30086a8a736dcc97
SHA2560dc58f6ac03b96264e3b0e79bff97990c36189c4e135311d7e20b43c686889ff
SHA5125391d672a1244c5558d90d0e5975b4d3606ba575cd5889163f52335516f5cf0b009ae1e323a2bbc96e87f324409320ee10522d78961d00bac34ce991932bfb71