Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
30/05/2023, 00:56
General
- Target 003534262416252.exe
- Size 1023KB
- Sample230530-back3sec59
- SHA256 e54d5060f522ac4aae58c95d299bff21e5e6e014c941cd0a9e88485ea29e4ebc
Malware Config
Extracted
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formbook
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4.1
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3nop
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slot999.site
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hagsahoy.com
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howdyart.com
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orders-marketplace.com
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ranaa.email
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masterlink.guru
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archershut.com
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weikumcommunications.com
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dphardmoney.com
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shjyutie.com
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vivaberlin.net
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mycto.today
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curvygirlugc.com
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otnmp.cfd
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alwrists.com
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propercandlecompany.com
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allindustry-bg.com
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theyoungbizacademy.com
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expand658170.com
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leslainesdumouchon.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Formbook payload 3 IoCs
- ModiLoader Second Stage 1 IoCs
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 2 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Script User-Agent 3 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 54 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\003534262416252.exe"C:\Users\Admin\AppData\Local\Temp\003534262416252.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Public\Libraries\cfzzsnkX.pif"C:\Users\Public\Libraries\cfzzsnkX.pif"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmmon32.exe"C:\Windows\SysWOW64\cmmon32.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
DB1
-65logim.jpeg
-65logrf.ini
-65logrg.ini
-65logri.ini
-65logrv.ini
cfzzsnkX.pif
cfzzsnkX.pif
memory/3112-177-0x00000000036F0000-0x00000000037D9000-memory.dmp
memory/3112-174-0x00000000036F0000-0x00000000037D9000-memory.dmp
memory/3112-148-0x00000000035E0000-0x00000000036E5000-memory.dmp
memory/3112-173-0x00000000036F0000-0x00000000037D9000-memory.dmp
memory/3308-172-0x0000000002C20000-0x0000000002CB4000-memory.dmp
memory/3308-149-0x0000000000BD0000-0x0000000000BDC000-memory.dmp
memory/3308-152-0x0000000000BD0000-0x0000000000BDC000-memory.dmp
memory/3308-154-0x0000000000E80000-0x0000000000EAF000-memory.dmp
memory/3308-155-0x0000000002DE0000-0x000000000312A000-memory.dmp
memory/4892-151-0x0000000000400000-0x000000000041A000-memory.dmp
memory/4892-153-0x0000000010410000-0x000000001043F000-memory.dmp
memory/4892-147-0x0000000000960000-0x0000000000975000-memory.dmp
memory/4892-145-0x00000000025F0000-0x000000000293A000-memory.dmp
memory/4892-141-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/5024-133-0x00000000043D0000-0x0000000004402000-memory.dmp
memory/5024-140-0x0000000010410000-0x000000001043F000-memory.dmp
memory/5024-139-0x0000000010410000-0x000000001043F000-memory.dmp
memory/5024-136-0x0000000000400000-0x0000000000508000-memory.dmp
memory/5024-135-0x00000000022B0000-0x00000000022B1000-memory.dmp