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Analysis
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max time kernel
141s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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 behavioral1/files/0x0017000000016d4d-16.dat family_asyncrat -
Executes dropped EXE 1 IoCs
pid Process 2744 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 2936 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 2748 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1628 Client (3).exe 1628 Client (3).exe 1628 Client (3).exe 2744 mm.exe 2744 mm.exe 2744 mm.exe 2744 mm.exe 2744 mm.exe 2744 mm.exe 2744 mm.exe 2744 mm.exe 2744 mm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1628 Client (3).exe Token: SeDebugPrivilege 2744 mm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2744 mm.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1628 wrote to memory of 2144 1628 Client (3).exe 30 PID 1628 wrote to memory of 2144 1628 Client (3).exe 30 PID 1628 wrote to memory of 2144 1628 Client (3).exe 30 PID 1628 wrote to memory of 2668 1628 Client (3).exe 31 PID 1628 wrote to memory of 2668 1628 Client (3).exe 31 PID 1628 wrote to memory of 2668 1628 Client (3).exe 31 PID 2668 wrote to memory of 2936 2668 cmd.exe 34 PID 2668 wrote to memory of 2936 2668 cmd.exe 34 PID 2668 wrote to memory of 2936 2668 cmd.exe 34 PID 2144 wrote to memory of 2748 2144 cmd.exe 35 PID 2144 wrote to memory of 2748 2144 cmd.exe 35 PID 2144 wrote to memory of 2748 2144 cmd.exe 35 PID 2668 wrote to memory of 2744 2668 cmd.exe 36 PID 2668 wrote to memory of 2744 2668 cmd.exe 36 PID 2668 wrote to memory of 2744 2668 cmd.exe 36 -
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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
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:2144 -
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:2748
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9157.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2936
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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:2744
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
146B
MD56daadc6ea56048ac481f07325a1f9347
SHA1f976613ab4c569411df7398c697d5b176d0a914b
SHA25681c4ebb2f2c879baeeca7870c99b606cda221ed7de3bc3d24daf6d4ae9f69a7c
SHA5128b8da41ac60d0ff153a0b5f657ceb1b6892dca7cc2e33e66d5cfe2a271446e9cfde555f1039a867ac87f2a218e04cbd8de11e80015ed279c62c0c09f449f5859
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
170KB
MD512e347cf5ba0b74e0f93b8759d1d99cb
SHA1fe0341f382947c8303cdbf400729c441aca184e0
SHA2561d7d7e2b90752b9ae4b7cd7db8b62cb0dddee15aa0d6102efd3bb29691ab0fa7
SHA5123ee3d406322b7f0decb06d52951a20f99358be0dd7feeebd4e0784f2a438e33437b806bcadae32827b51da529a17b63fef763932ee571729de740fd06ec62a9e