Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29/01/2024, 15:51
Static task
static1
Behavioral task
behavioral1
Sample
296082809/296082809.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
296082809/296082809.exe
Resource
win10v2004-20231215-en
General
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Target
296082809/296082809.exe
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Size
344KB
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MD5
5af51fc97f4d1f73e0c9c5dad320d790
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SHA1
f4cc96d4fed5be88d6f5c99c84a40e4f885ca668
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SHA256
8f932a1a7d2e52db954b69678546a6481e9a68cf216d09f951bec33cb609008c
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SHA512
d157cb87d18acc0e96f839a9557cb0dec25ba9c18564841549c45b470f4afcecedbabb11b443f0211d4e8665f34ad3908172f2e74090f3aa0af9fbc2ade7f257
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SSDEEP
6144:PaJcibn+MKpGokPZi6siCNhCAWgn9JO2ceZqAENnMfFAGZUbO:SJcE+MKpGlwXJsAWg9YiZqAENn+F
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
#Euro123 - 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 1 IoCs
resource yara_rule behavioral2/memory/3080-3-0x0000000000500000-0x0000000000548000-memory.dmp family_snakekeylogger -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 checkip.dyndns.org 14 freegeoip.app 15 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5092 set thread context of 3080 5092 296082809.exe 85 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3080 MSBuild.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 5092 296082809.exe 5092 296082809.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3080 MSBuild.exe Token: SeRestorePrivilege 8 dw20.exe Token: SeBackupPrivilege 8 dw20.exe Token: SeBackupPrivilege 8 dw20.exe Token: SeBackupPrivilege 8 dw20.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 5092 wrote to memory of 3080 5092 296082809.exe 85 PID 5092 wrote to memory of 3080 5092 296082809.exe 85 PID 5092 wrote to memory of 3080 5092 296082809.exe 85 PID 5092 wrote to memory of 3080 5092 296082809.exe 85 PID 3080 wrote to memory of 8 3080 MSBuild.exe 86 PID 3080 wrote to memory of 8 3080 MSBuild.exe 86 PID 3080 wrote to memory of 8 3080 MSBuild.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\296082809\296082809.exe"C:\Users\Admin\AppData\Local\Temp\296082809\296082809.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\296082809\296082809.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 17923⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:8
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