Analysis
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max time kernel
148s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26-10-2024 12:03
Behavioral task
behavioral1
Sample
discord.exe
Resource
win7-20240903-en
General
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Target
discord.exe
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Size
74KB
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MD5
45543e1a02340ade4c65314fbf401d09
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SHA1
a75eb9173c40a1b0e47af74cd0b51c99905a56fe
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SHA256
21fff7a94a630799dd5393bf16019816998086b843e3310fb8f33dbc74f5011f
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SHA512
a4288d6094ca6d43a92eeff9f94a9fc7aa2f4fb9023227f07a2eb69a484a1e1b2277351ec01ac6ad246e5587debe8277edbcf61f41b1e4b90caabdda9c52b23b
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SSDEEP
1536:0UKUcxoyR1CriPMVGleiUItf1bc/l6jQzcF+VclN:0UzcxoyXkiPMVceivf1bcWQckY
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
127.0.0.1:4449
zibgoamyfpalbhsqxxf
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delay
1
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install
true
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install_file
discord.exe
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install_folder
%AppData%
Signatures
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Asyncrat family
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Processes:
resource yara_rule behavioral1/memory/2460-1-0x0000000000FE0000-0x0000000000FF8000-memory.dmp VenomRAT C:\Users\Admin\AppData\Roaming\discord.exe VenomRAT behavioral1/memory/3016-18-0x0000000000CB0000-0x0000000000CC8000-memory.dmp VenomRAT -
Venomrat family
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Async RAT payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\discord.exe family_asyncrat -
Executes dropped EXE 1 IoCs
Processes:
discord.exepid process 3016 discord.exe -
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
Processes:
timeout.exepid process 2784 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.
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Suspicious behavior: EnumeratesProcesses 40 IoCs
Processes:
discord.exediscord.exepid process 2460 discord.exe 2460 discord.exe 2460 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe 3016 discord.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
discord.exediscord.exedescription pid process Token: SeDebugPrivilege 2460 discord.exe Token: SeDebugPrivilege 3016 discord.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
discord.exepid process 3016 discord.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
discord.execmd.execmd.exedescription pid process target process PID 2460 wrote to memory of 2468 2460 discord.exe cmd.exe PID 2460 wrote to memory of 2468 2460 discord.exe cmd.exe PID 2460 wrote to memory of 2468 2460 discord.exe cmd.exe PID 2460 wrote to memory of 2992 2460 discord.exe cmd.exe PID 2460 wrote to memory of 2992 2460 discord.exe cmd.exe PID 2460 wrote to memory of 2992 2460 discord.exe cmd.exe PID 2468 wrote to memory of 2712 2468 cmd.exe schtasks.exe PID 2468 wrote to memory of 2712 2468 cmd.exe schtasks.exe PID 2468 wrote to memory of 2712 2468 cmd.exe schtasks.exe PID 2992 wrote to memory of 2784 2992 cmd.exe timeout.exe PID 2992 wrote to memory of 2784 2992 cmd.exe timeout.exe PID 2992 wrote to memory of 2784 2992 cmd.exe timeout.exe PID 2992 wrote to memory of 3016 2992 cmd.exe discord.exe PID 2992 wrote to memory of 3016 2992 cmd.exe discord.exe PID 2992 wrote to memory of 3016 2992 cmd.exe discord.exe -
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\discord.exe"C:\Users\Admin\AppData\Local\Temp\discord.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "discord" /tr '"C:\Users\Admin\AppData\Roaming\discord.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "discord" /tr '"C:\Users\Admin\AppData\Roaming\discord.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:2712
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpD9FA.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2784
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C:\Users\Admin\AppData\Roaming\discord.exe"C:\Users\Admin\AppData\Roaming\discord.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
151B
MD5cef67d6dc3330306b213d9b2c2d80501
SHA1f719bfbdfb85d6e45c57813158f646f9310081a8
SHA256a674ceda86f064778045b507dda6a790c5417f193fbf55dd26190d7cdb2ebc9a
SHA5122d95bb2c66b69141ead38344d66f2527108bfdd33c18edbc598a780b3d47ae2036d7ae303ea598ec6476d9a1dba2bf2bb4daee2ce3c1dfbb005e171468be4d79
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
74KB
MD545543e1a02340ade4c65314fbf401d09
SHA1a75eb9173c40a1b0e47af74cd0b51c99905a56fe
SHA25621fff7a94a630799dd5393bf16019816998086b843e3310fb8f33dbc74f5011f
SHA512a4288d6094ca6d43a92eeff9f94a9fc7aa2f4fb9023227f07a2eb69a484a1e1b2277351ec01ac6ad246e5587debe8277edbcf61f41b1e4b90caabdda9c52b23b