Analysis
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max time kernel
129s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
27-06-2024 17:22
Static task
static1
Behavioral task
behavioral1
Sample
BYBBLJDYNKYQRCIW.ps1
Resource
win7-20240419-en
General
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Target
BYBBLJDYNKYQRCIW.ps1
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Size
553KB
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MD5
223b842e87e7d124f133e2b21090e717
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SHA1
99c830f860fe5d34b3802a62c790e0c26c7f1e5b
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SHA256
1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee
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SHA512
f83274a71a388b0349cdbfed15ae152cfd3dfb45c22d81171a4e1a74f0a298a53b68d53fc75e15b8b08195f8d5020f33397d5d33dac2aa8826a5894680555db6
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SSDEEP
1536:kDh8DyXBs84VhDEak0EyxWq0IxZQjepORUXl9cGnZneXVsl6cGMyQxI:kDhiyXBs84VhDEakbyxWq0IYz2I
Malware Config
Extracted
asyncrat
AWS | 3Losh
newjop
backwork07.ddns.net:6666
AsyncMutex_raTMpP7xS21cDAE8
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 1972 set thread context of 3220 1972 powershell.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exeRegSvcs.exepid process 1972 powershell.exe 1972 powershell.exe 3220 RegSvcs.exe 3220 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1972 powershell.exe Token: SeDebugPrivilege 3220 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 3220 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
powershell.exedescription pid process target process PID 1972 wrote to memory of 3220 1972 powershell.exe RegSvcs.exe PID 1972 wrote to memory of 3220 1972 powershell.exe RegSvcs.exe PID 1972 wrote to memory of 3220 1972 powershell.exe RegSvcs.exe PID 1972 wrote to memory of 3220 1972 powershell.exe RegSvcs.exe PID 1972 wrote to memory of 3220 1972 powershell.exe RegSvcs.exe PID 1972 wrote to memory of 3220 1972 powershell.exe RegSvcs.exe PID 1972 wrote to memory of 3220 1972 powershell.exe RegSvcs.exe PID 1972 wrote to memory of 3220 1972 powershell.exe RegSvcs.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\BYBBLJDYNKYQRCIW.ps11⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3220
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4248,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:81⤵PID:4540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82