Analysis
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max time kernel
173s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 14:09
Static task
static1
Behavioral task
behavioral1
Sample
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe
Resource
win10v2004-20221111-en
General
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Target
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe
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Size
952KB
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MD5
d07010e606a7ce5c26a7e8fca6ede289
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SHA1
0301b1d31f291af8c9268dcfddb1a9b708fb5064
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SHA256
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c
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SHA512
a91d72788a3e9468b59e3ae0326036962f0648be6602ab953d9e6b83cdffa9570c36b2fa79b46373805d88e4b2bb4bc2a4f08a42f23d1999cf575bcece945674
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SSDEEP
24576:IaaIERvwfrJlJjZ55EF2KdZ8shV4VTci/Vxv4Oa:baFBCljf2Dks/4Oitxvg
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\67ML5dwQ681Bvgc6\\AwDLTjZGrezi.exe\",explorer.exe" 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe -
Drops file in Drivers directory 1 IoCs
Processes:
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 64 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exedescription pid process target process PID 1980 set thread context of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 3548 set thread context of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 set thread context of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exepid process 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exedescription pid process Token: SeDebugPrivilege 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe Token: SeDebugPrivilege 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exepid process 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exedescription pid process target process PID 1980 wrote to memory of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 1980 wrote to memory of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 1980 wrote to memory of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 1980 wrote to memory of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 1980 wrote to memory of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 1980 wrote to memory of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 1980 wrote to memory of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 1980 wrote to memory of 3548 1980 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 1216 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe PID 3548 wrote to memory of 4500 3548 2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe"C:\Users\Admin\AppData\Local\Temp\2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe"C:\Users\Admin\AppData\Local\Temp\2a82d6dca9191d0256db3f5b1dd68860c7901699f5297cb22a3bbbe3c339029c.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holdermail.txtFilesize
1KB
MD501e7975c708365983265ae40d604beb4
SHA1f1c793c9b7a312d355cd944928ba9272bbeec44e
SHA25695d7aeb5f67dc33d0b62d02b26a5d469436f58f2246fd95189a8b86220bc9a40
SHA5129c67c306fbb0e191ea7af01388c6a99714c353590d99887ddd0b0ceee3f6cd3af2e7b2c8d1d22a5a34dac746e4b2156876d935a658afc9a1d38597fd4922e023
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memory/1216-140-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1216-147-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1216-145-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1216-142-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1216-138-0x0000000000000000-mapping.dmp
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memory/1980-133-0x0000000074FF0000-0x00000000755A1000-memory.dmpFilesize
5.7MB
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memory/1980-132-0x0000000074FF0000-0x00000000755A1000-memory.dmpFilesize
5.7MB
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memory/3548-136-0x0000000074FF0000-0x00000000755A1000-memory.dmpFilesize
5.7MB
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memory/3548-137-0x0000000074FF0000-0x00000000755A1000-memory.dmpFilesize
5.7MB
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memory/3548-135-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
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memory/3548-134-0x0000000000000000-mapping.dmp
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memory/4500-141-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/4500-139-0x0000000000000000-mapping.dmp
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memory/4500-143-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/4500-144-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/4500-146-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/4500-149-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB