Analysis
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max time kernel
51s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 15:21
Static task
static1
Behavioral task
behavioral1
Sample
templezx.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
templezx.exe
Resource
win10v20210410
General
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Target
templezx.exe
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Size
563KB
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MD5
2b1679e8ba0a15c211922ced9909c89e
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SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408
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SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27
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SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.bundabergtrophies.com.au - Port:
587 - Username:
admin@bundabergtrophies.com.au - Password:
nKlnBbMZLI
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
Processes:
resource yara_rule behavioral2/memory/3680-121-0x0000000004F30000-0x0000000004F3B000-memory.dmp CustAttr -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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.
Processes:
flow ioc 15 checkip.dyndns.org 17 freegeoip.app 18 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
templezx.exedescription pid process target process PID 3680 set thread context of 412 3680 templezx.exe templezx.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
templezx.exepid process 412 templezx.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
templezx.exedescription pid process Token: SeDebugPrivilege 412 templezx.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
templezx.exedescription pid process target process PID 3680 wrote to memory of 412 3680 templezx.exe templezx.exe PID 3680 wrote to memory of 412 3680 templezx.exe templezx.exe PID 3680 wrote to memory of 412 3680 templezx.exe templezx.exe PID 3680 wrote to memory of 412 3680 templezx.exe templezx.exe PID 3680 wrote to memory of 412 3680 templezx.exe templezx.exe PID 3680 wrote to memory of 412 3680 templezx.exe templezx.exe PID 3680 wrote to memory of 412 3680 templezx.exe templezx.exe PID 3680 wrote to memory of 412 3680 templezx.exe templezx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\templezx.exe"C:\Users\Admin\AppData\Local\Temp\templezx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\templezx.exe"C:\Users\Admin\AppData\Local\Temp\templezx.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\Microsoft\CLR_v4.0_32\UsageLogs\templezx.exe.logMD5
c3cc52ccca9ff2b6fa8d267fc350ca6b
SHA1a68d4028333296d222e4afd75dea36fdc98d05f3
SHA2563125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e
SHA512b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7
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memory/412-124-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/412-132-0x00000000067F0000-0x00000000067F1000-memory.dmpFilesize
4KB
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memory/412-131-0x0000000005420000-0x000000000591E000-memory.dmpFilesize
5.0MB
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memory/412-125-0x000000000041F89E-mapping.dmp
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memory/3680-118-0x0000000004CC0000-0x0000000004CC1000-memory.dmpFilesize
4KB
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memory/3680-121-0x0000000004F30000-0x0000000004F3B000-memory.dmpFilesize
44KB
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memory/3680-122-0x00000000070E0000-0x0000000007146000-memory.dmpFilesize
408KB
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memory/3680-123-0x0000000007150000-0x0000000007176000-memory.dmpFilesize
152KB
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memory/3680-120-0x0000000004AD0000-0x0000000004FCE000-memory.dmpFilesize
5.0MB
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memory/3680-119-0x0000000004B70000-0x0000000004B71000-memory.dmpFilesize
4KB
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memory/3680-114-0x0000000000170000-0x0000000000171000-memory.dmpFilesize
4KB
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memory/3680-117-0x0000000004B80000-0x0000000004B81000-memory.dmpFilesize
4KB
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memory/3680-116-0x0000000004FD0000-0x0000000004FD1000-memory.dmpFilesize
4KB