Analysis
- max time kernel
59s - max time network
130s - platform
windows10_x64 - resource
win10v20210408 - submitted
27/07/2021, 06:09
General
- Target PO#JFUB0002 4QjPQ2oE-pdf.exe
- Size 636KB
- Sample210727-vhta9d1hcs
- SHA256 45479517c35a7efb32ab28968deeda5e3926f06b81ab4cf2b7ab9a87f3de336c
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
25
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Username
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Password
BkKMmzZ1
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 17 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#JFUB0002 4QjPQ2oE-pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO#JFUB0002 4QjPQ2oE-pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO#JFUB0002 4QjPQ2oE-pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO#JFUB0002 4QjPQ2oE-pdf.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\PO#JFUB0002 4QjPQ2oE-pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO#JFUB0002 4QjPQ2oE-pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 14563⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/660-121-0x0000000002F30000-0x0000000002F3B000-memory.dmp
memory/660-117-0x00000000056D0000-0x00000000056D1000-memory.dmp
memory/660-118-0x0000000005770000-0x0000000005771000-memory.dmp
memory/660-119-0x0000000005600000-0x0000000005692000-memory.dmp
memory/660-120-0x00000000056A0000-0x00000000056A1000-memory.dmp
memory/660-114-0x0000000000DC0000-0x0000000000DC1000-memory.dmp
memory/660-122-0x0000000007800000-0x0000000007867000-memory.dmp
memory/660-123-0x00000000078C0000-0x00000000078E5000-memory.dmp
memory/660-116-0x0000000005BD0000-0x0000000005BD1000-memory.dmp
memory/1500-124-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1500-131-0x0000000004FE0000-0x00000000054DE000-memory.dmp