Analysis
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max time kernel
135s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 18:56
Static task
static1
Behavioral task
behavioral1
Sample
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe
Resource
win10v2004-20220901-en
General
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Target
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe
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Size
950KB
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MD5
e5aa0e99526e791426dcc27eb44b48f1
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SHA1
92a1a13d0c4acd9984d5a14ccb3a4a0e0e9490ca
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SHA256
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b
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SHA512
524121e9aa578c3763c89df30e62d2da12135e1840316f357482448386406b03dd6faffc186c1c17bc0405d01c0a852a6a9bdf59f8e6e257e2772fa1db7abce2
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SSDEEP
12288:rWubT76a9iUutQwPb3inIT4cpamBcNKflIqgpsj1EiM0si+KeYDdTE5TAKz8M9sx:xTJdWmIcHsj1s08Khujz5KyoftV30
Malware Config
Signatures
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 20 whatismyipaddress.com 22 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exedescription pid process target process PID 920 set thread context of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 set thread context of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exepid process 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exevbc.exevbc.exedescription pid process Token: SeDebugPrivilege 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe Token: SeDebugPrivilege 4420 vbc.exe Token: SeDebugPrivilege 4528 vbc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exepid process 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exedescription pid process target process PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4420 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe PID 920 wrote to memory of 4528 920 7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe"C:\Users\Admin\AppData\Local\Temp\7a59df1dc08e22644f32ed618b450576d9c953dba0d76a5fcc38853ecbc34e7b.exe"1⤵
- Adds Run key to start application
- 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"2⤵
- Accesses Microsoft Outlook accounts
- Suspicious use of AdjustPrivilegeToken
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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"2⤵
- Suspicious use of AdjustPrivilegeToken
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
327B
MD51265c5140a2f68b05b92aa1a25a2abb6
SHA1627a660e9d2a41c8c4a662ca44fdb68a1356bc82
SHA256694bae0c1ebf6f8eeb8d902b1bfad57ed9a42dea6d3e327a0137a1c9f4f0c6b9
SHA512ad6a1dd57ec84459f28926d07e25f2c4f49dc67ff95b8400e85c3bcb8eccc471dbac5e2b1a2758fb563866ecacc2fae4657dfb85197fb4cd2547eef334b8a216
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C:\Users\Admin\AppData\Local\Temp\holdermail.txtFilesize
1KB
MD501e7975c708365983265ae40d604beb4
SHA1f1c793c9b7a312d355cd944928ba9272bbeec44e
SHA25695d7aeb5f67dc33d0b62d02b26a5d469436f58f2246fd95189a8b86220bc9a40
SHA5129c67c306fbb0e191ea7af01388c6a99714c353590d99887ddd0b0ceee3f6cd3af2e7b2c8d1d22a5a34dac746e4b2156876d935a658afc9a1d38597fd4922e023
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memory/920-133-0x0000000074D40000-0x00000000752F1000-memory.dmpFilesize
5.7MB
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memory/920-132-0x0000000074D40000-0x00000000752F1000-memory.dmpFilesize
5.7MB
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memory/4420-135-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/4420-136-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/4420-137-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/4420-139-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/4420-134-0x0000000000000000-mapping.dmp
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memory/4528-140-0x0000000000000000-mapping.dmp
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memory/4528-141-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/4528-142-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/4528-143-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/4528-144-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/4528-146-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB