Analysis
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max time kernel
122s -
max time network
125s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
18-06-2021 14:06
General
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Target
Bank Transfer-April Due pdf.exe
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Size
926KB
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MD5
1ba9f0cff517d4f42fd88857de31f27b
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SHA1
59f33cd5d80f850a6de452c026e6d937217b9cff
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SHA256
04253e566268069d633182f191b77a0f0f994d907da2f3512dbe344576baec06
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SHA512
d843ba0c998de4e068dcb728aea58d4d1511dcf71ccb6de92ef41c45abaa186e5dd49f347cbdf1298ca90a570328a4ff927dbf59c8f87aa4e5b22f4361b363e0
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.jrtlndia.com - Port:
587 - Username:
tsadmin@jrtlndia.com - Password:
CNGKwKI7
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
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Uses the VBS compiler for execution 1 TTPs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Bank Transfer-April Due pdf.exe"C:\Users\Admin\AppData\Local\Temp\Bank Transfer-April Due pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\plkpUWR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA384.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- 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\tmpA384.tmpMD5
0a5c06ac81ec371169b6122ddfdc2f24
SHA126bad39b8ee033da9ffb7625a167e4146d6fc7e3
SHA2564be367b44261079f0576b832141bd6b15bb74537921cb2f32054e2d8925750db
SHA512bdf09171ecbfd435a1a1b49086b3bc54a76a301d8e485209744c714f2afd0805d52781fdc0082ab2b8f6bc521074ea54383bf731b540138e810c594161f8ab8d
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memory/4000-126-0x0000000000000000-mapping.dmp
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memory/4080-182-0x0000000008D30000-0x000000000922E000-memory.dmpFilesize
5.0MB
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memory/4080-129-0x000000000046469E-mapping.dmp
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memory/4080-128-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/4428-119-0x000000000AC40000-0x000000000AC41000-memory.dmpFilesize
4KB
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memory/4428-121-0x000000000ADA0000-0x000000000ADA1000-memory.dmpFilesize
4KB
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memory/4428-122-0x0000000005300000-0x0000000005301000-memory.dmpFilesize
4KB
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memory/4428-123-0x000000000ABC0000-0x000000000ABD6000-memory.dmpFilesize
88KB
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memory/4428-124-0x0000000004D20000-0x0000000004D9A000-memory.dmpFilesize
488KB
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memory/4428-125-0x000000000EC30000-0x000000000ECB2000-memory.dmpFilesize
520KB
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memory/4428-120-0x000000000ABA0000-0x000000000ABA1000-memory.dmpFilesize
4KB
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memory/4428-114-0x0000000000900000-0x0000000000901000-memory.dmpFilesize
4KB
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memory/4428-118-0x000000000B0A0000-0x000000000B0A1000-memory.dmpFilesize
4KB
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memory/4428-117-0x000000000AB00000-0x000000000AB01000-memory.dmpFilesize
4KB
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memory/4428-116-0x0000000007690000-0x000000000771F000-memory.dmpFilesize
572KB