Analysis
- max time kernel
51s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
05/07/2023, 13:36
General
- Target 9a18a413786aea5dd8b45003ba6510f2c1735d9c0d8f28e19bbcd5da17dffc3d.exe
- Size 851KB
- Sample230705-qv8xcaeb8w
- SHA256 9a18a413786aea5dd8b45003ba6510f2c1735d9c0d8f28e19bbcd5da17dffc3d
Malware Config
Extracted
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formbook
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4.1
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ga94
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toutouchan.club
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zuzwwjow.top
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sarahxspencer.com
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chanjiaoronghe.top
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uarabota.com
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187597.com
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teachersfinance.online
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ns18hg.buzz
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mylovecalculator.store
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abmountaineering.com
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brttdimero.xyz
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metropedialampung.com
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kehoumpa.xyz
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oxuczwrpfgy.top
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gswagurban.com
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tymeyutop.best
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bennettpublicationsllc.com
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k3zrk.xyz
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hollistictree.com
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yy094ccck.top
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9a18a413786aea5dd8b45003ba6510f2c1735d9c0d8f28e19bbcd5da17dffc3d.exe"C:\Users\Admin\AppData\Local\Temp\9a18a413786aea5dd8b45003ba6510f2c1735d9c0d8f28e19bbcd5da17dffc3d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\smdEtOyaIUl.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\smdEtOyaIUl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5AAE.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\9a18a413786aea5dd8b45003ba6510f2c1735d9c0d8f28e19bbcd5da17dffc3d.exe"C:\Users\Admin\AppData\Local\Temp\9a18a413786aea5dd8b45003ba6510f2c1735d9c0d8f28e19bbcd5da17dffc3d.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\9a18a413786aea5dd8b45003ba6510f2c1735d9c0d8f28e19bbcd5da17dffc3d.exe"C:\Users\Admin\AppData\Local\Temp\9a18a413786aea5dd8b45003ba6510f2c1735d9c0d8f28e19bbcd5da17dffc3d.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
__PSScriptPolicyTest_5kifssab.y0v.ps1
tmp5AAE.tmp
memory/2332-161-0x0000000001200000-0x000000000154A000-memory.dmp
memory/2332-147-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2816-134-0x0000000005190000-0x0000000005734000-memory.dmp
memory/2816-135-0x0000000004B10000-0x0000000004BA2000-memory.dmp
memory/2816-136-0x0000000004D20000-0x0000000004D30000-memory.dmp
memory/2816-137-0x0000000004BC0000-0x0000000004BCA000-memory.dmp
memory/2816-138-0x0000000004D20000-0x0000000004D30000-memory.dmp
memory/2816-139-0x0000000007A70000-0x0000000007B0C000-memory.dmp
memory/2816-133-0x00000000000A0000-0x000000000017A000-memory.dmp
memory/3800-152-0x00000000060C0000-0x0000000006126000-memory.dmp
memory/3800-166-0x0000000071C50000-0x0000000071C9C000-memory.dmp
memory/3800-156-0x00000000061A0000-0x0000000006206000-memory.dmp
memory/3800-146-0x0000000005880000-0x0000000005EA8000-memory.dmp
memory/3800-144-0x0000000002EC0000-0x0000000002EF6000-memory.dmp
memory/3800-162-0x0000000002E60000-0x0000000002E70000-memory.dmp
memory/3800-163-0x0000000002E60000-0x0000000002E70000-memory.dmp
memory/3800-164-0x00000000067B0000-0x00000000067CE000-memory.dmp
memory/3800-165-0x0000000007990000-0x00000000079C2000-memory.dmp
memory/3800-149-0x0000000006020000-0x0000000006042000-memory.dmp
memory/3800-176-0x0000000006D60000-0x0000000006D7E000-memory.dmp
memory/3800-177-0x0000000002E60000-0x0000000002E70000-memory.dmp
memory/3800-178-0x000000007F0D0000-0x000000007F0E0000-memory.dmp
memory/3800-179-0x0000000008100000-0x000000000877A000-memory.dmp
memory/3800-180-0x0000000007AC0000-0x0000000007ADA000-memory.dmp
memory/3800-181-0x0000000007B30000-0x0000000007B3A000-memory.dmp
memory/3800-182-0x0000000007D40000-0x0000000007DD6000-memory.dmp
memory/3800-183-0x0000000007CF0000-0x0000000007CFE000-memory.dmp
memory/3800-184-0x0000000007E00000-0x0000000007E1A000-memory.dmp
memory/3800-185-0x0000000007DE0000-0x0000000007DE8000-memory.dmp