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Analysis
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max time kernel
130s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12/07/2024, 01:22
Behavioral task
behavioral1
Sample
Client (3).exe
Resource
win7-20240704-en
General
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Target
Client (3).exe
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Size
170KB
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MD5
12e347cf5ba0b74e0f93b8759d1d99cb
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SHA1
fe0341f382947c8303cdbf400729c441aca184e0
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SHA256
1d7d7e2b90752b9ae4b7cd7db8b62cb0dddee15aa0d6102efd3bb29691ab0fa7
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SHA512
3ee3d406322b7f0decb06d52951a20f99358be0dd7feeebd4e0784f2a438e33437b806bcadae32827b51da529a17b63fef763932ee571729de740fd06ec62a9e
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SSDEEP
3072:JUacxyNl+GPMV3e9VdQsH1bfkBQXv7Jh1fRu1e16kWOIo0tnBBY:J1l+GPMV3aesVb8Bkb139Yo05f
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
147.185.221.21:4449
147.185.221.21:6703
147.185.221.21:5552
wvpjsbhmwvbzxetbd
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delay
1
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install
true
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install_file
mm.exe
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000f0000000233fc-12.dat family_asyncrat -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation Client (3).exe -
Executes dropped EXE 1 IoCs
pid Process 4420 mm.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 2996 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1412 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 1140 Client (3).exe 4420 mm.exe 4420 mm.exe 4420 mm.exe 4420 mm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1140 Client (3).exe Token: SeDebugPrivilege 4420 mm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4420 mm.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1140 wrote to memory of 768 1140 Client (3).exe 86 PID 1140 wrote to memory of 768 1140 Client (3).exe 86 PID 1140 wrote to memory of 4488 1140 Client (3).exe 88 PID 1140 wrote to memory of 4488 1140 Client (3).exe 88 PID 4488 wrote to memory of 2996 4488 cmd.exe 90 PID 4488 wrote to memory of 2996 4488 cmd.exe 90 PID 768 wrote to memory of 1412 768 cmd.exe 91 PID 768 wrote to memory of 1412 768 cmd.exe 91 PID 4488 wrote to memory of 4420 4488 cmd.exe 92 PID 4488 wrote to memory of 4420 4488 cmd.exe 92 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Client (3).exe"C:\Users\Admin\AppData\Local\Temp\Client (3).exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mm" /tr '"C:\Users\Admin\AppData\Roaming\mm.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "mm" /tr '"C:\Users\Admin\AppData\Roaming\mm.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:1412
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAF7A.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2996
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C:\Users\Admin\AppData\Roaming\mm.exe"C:\Users\Admin\AppData\Roaming\mm.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4420
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
146B
MD5eda8bc2933d56c927a7fb130f5713675
SHA14262a862ffa9cc073eccd71f2accf54b2ff783b3
SHA25621d406dfd8a99e011497b41b7bcab2121a80297a8c93946005e0e0ae9d9d60e0
SHA512d00b371ab966fbf42b028e3f4f6fdd6e901f14e7c0921a9542a415895f9d75328a308c1ed41ac3134b2f0c72478a1409876517d92f4905bc4c1a845c7ccf8eb7
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
170KB
MD512e347cf5ba0b74e0f93b8759d1d99cb
SHA1fe0341f382947c8303cdbf400729c441aca184e0
SHA2561d7d7e2b90752b9ae4b7cd7db8b62cb0dddee15aa0d6102efd3bb29691ab0fa7
SHA5123ee3d406322b7f0decb06d52951a20f99358be0dd7feeebd4e0784f2a438e33437b806bcadae32827b51da529a17b63fef763932ee571729de740fd06ec62a9e