Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 14:56
Static task
static1
Behavioral task
behavioral1
Sample
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
Resource
win10v2004-20240412-en
General
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Target
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
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Size
525KB
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MD5
3138b63ef0d439ebc2e631452307c089
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SHA1
176b629248c486842e03a897192dbc6043a57fe5
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SHA256
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837
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SHA512
f83dcb33c5777d9efc9100705761786a7d1dada83331866a95fbd3042357f7d7b87aa36cc1dc7fcbe8e9af4118bdd1cd5e2734366c1cc7d1c85b95be8c6767c0
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SSDEEP
12288:/ytros3iYd2DGhjsTJWJHJ+HgyJsMgqFyaHs:/WosNDdRJHcHZJt
Malware Config
Extracted
snakekeylogger
http://varders.kozow.com:8081
http://aborters.duckdns.org:8081
http://anotherarmy.dns.army:8081
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4048-8-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 28 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2728 set thread context of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88 -
Program crash 1 IoCs
pid pid_target Process procid_target 3924 4048 WerFault.exe 88 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4048 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4048 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2728 wrote to memory of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88 PID 2728 wrote to memory of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88 PID 2728 wrote to memory of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88 PID 2728 wrote to memory of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88 PID 2728 wrote to memory of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88 PID 2728 wrote to memory of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88 PID 2728 wrote to memory of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88 PID 2728 wrote to memory of 4048 2728 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe"C:\Users\Admin\AppData\Local\Temp\1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4048 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 15683⤵
- Program crash
PID:3924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4048 -ip 40481⤵PID:4944