Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
02/08/2023, 08:48
Static task
static1
Behavioral task
behavioral1
Sample
3fe71522ce5f960304c80b97e6adb728.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
3fe71522ce5f960304c80b97e6adb728.exe
Resource
win10v2004-20230703-en
General
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Target
3fe71522ce5f960304c80b97e6adb728.exe
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Size
354KB
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MD5
3fe71522ce5f960304c80b97e6adb728
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SHA1
0d9a69500e417e656bba786275cf71861d02413a
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SHA256
f8e0838f1c51682621b32897e221af4ea8248e880a48866de2793ca3dfd3527d
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SHA512
bf04ff89482b4e7beab39434e66e0f78ef1a5b3a15ed3b2cb9fd173352594eeb2dfd8031659b539f438542d3592df4b06f70ea394b76fdafba4e366679ba69f5
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SSDEEP
6144:Z6ejZRDQ+3HwOU2I6sm3Qtc0fROQNEm9nx9NfC67o0Qam4i:LkoU56sA0cBva9NK67o0QaI
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.karacainsaat.com.tr - Port:
587 - Username:
[email protected] - Password:
karaca!2015! - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/2840-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2840-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2840-71-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2840-73-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2840-76-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2840-78-0x0000000004A80000-0x0000000004AC0000-memory.dmp family_snakekeylogger -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 checkip.dyndns.org 4 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1944 set thread context of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 -
Program crash 1 IoCs
pid pid_target Process procid_target 2848 2840 WerFault.exe 30 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2840 3fe71522ce5f960304c80b97e6adb728.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2840 3fe71522ce5f960304c80b97e6adb728.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 1944 wrote to memory of 2840 1944 3fe71522ce5f960304c80b97e6adb728.exe 30 PID 2840 wrote to memory of 2848 2840 3fe71522ce5f960304c80b97e6adb728.exe 31 PID 2840 wrote to memory of 2848 2840 3fe71522ce5f960304c80b97e6adb728.exe 31 PID 2840 wrote to memory of 2848 2840 3fe71522ce5f960304c80b97e6adb728.exe 31 PID 2840 wrote to memory of 2848 2840 3fe71522ce5f960304c80b97e6adb728.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\3fe71522ce5f960304c80b97e6adb728.exe"C:\Users\Admin\AppData\Local\Temp\3fe71522ce5f960304c80b97e6adb728.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Local\Temp\3fe71522ce5f960304c80b97e6adb728.exe"C:\Users\Admin\AppData\Local\Temp\3fe71522ce5f960304c80b97e6adb728.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 10483⤵
- Program crash
PID:2848
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