Analysis
- max time kernel
157s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
20/10/2022, 12:49
General
- Target PROFORMA INVOICE.exe
- Size 889KB
- Sample221020-p2cbaaedc8
- SHA256 b8f55afc17398bdb231a27affe7f36c7424ca2c47d205c9f94df6e2b99befa93
Malware Config
Extracted
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formbook
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dj6o
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eHTcR+KSbIHKrEJYcaqomJrw
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d4CQy4B84xPiXuPwHUtF
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8eIkbHEq+BPxberwHUtF
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m0+kGJZPG1H1jgngcA==
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AMbXEsJxX4/J80MD
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cxBd6axquGelQQc=
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J9URjF0q/TbJ80MD
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HxxYujs6bp7dberwHUtF
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VhwjWCuW1Xau
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Hs4ZrXYwBycFVX7hJpekXd1oRg==
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XyAqZOXgWECQBQ==
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H+HaBrNXMlQ5j+GkDTwf7dEalRSG8g==
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Kvj6PwPvL2f1jgngcA==
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q3F0mzHxjbyi
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G/sniBrf1waZ08/yTxyN8qLm
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9uD0ZBYgb5ZiuP3wHUtF
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Ndkqiyj14RhyZziD6WwV4O8=
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PuY9wEs6hMAOTUs2mUCtdjzUeRyb+A==
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PwsHXAKokKjJ80MD
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xa4YnG9AI0WKthDfFO0=
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Suspicious use of SetThreadContext 3 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 26 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 18 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\PROFORMA INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\help.exe"C:\Windows\SysWOW64\help.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:\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
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Downloads
memory/2012-133-0x0000000005610000-0x00000000056AC000-memory.dmp
memory/2012-134-0x0000000005C70000-0x0000000006214000-memory.dmp
memory/2012-135-0x0000000005760000-0x00000000057F2000-memory.dmp
memory/2012-136-0x00000000056E0000-0x00000000056EA000-memory.dmp
memory/2012-137-0x0000000005800000-0x0000000005856000-memory.dmp
memory/2012-132-0x0000000000BC0000-0x0000000000CA4000-memory.dmp
memory/3076-148-0x00000000082B0000-0x0000000008427000-memory.dmp
memory/3076-158-0x0000000008720000-0x0000000008898000-memory.dmp
memory/3076-156-0x0000000008720000-0x0000000008898000-memory.dmp
memory/4432-144-0x0000000000401000-0x000000000042F000-memory.dmp
memory/4432-146-0x00000000015B0000-0x00000000018FA000-memory.dmp
memory/4432-147-0x0000000000BF0000-0x0000000000C00000-memory.dmp
memory/4432-143-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4432-141-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4432-150-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4432-151-0x0000000000401000-0x000000000042F000-memory.dmp
memory/4484-152-0x0000000000230000-0x0000000000237000-memory.dmp
memory/4484-153-0x0000000001240000-0x000000000158A000-memory.dmp
memory/4484-154-0x0000000000A80000-0x0000000000AAD000-memory.dmp
memory/4484-155-0x0000000000FD0000-0x000000000105F000-memory.dmp
memory/4484-157-0x0000000000A80000-0x0000000000AAD000-memory.dmp