Analysis
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max time kernel
90s -
max time network
155s -
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, 23:25
Static task
static1
Behavioral task
behavioral1
Sample
8122ff616e9f7fa92350d46c51dc5ba9.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8122ff616e9f7fa92350d46c51dc5ba9.exe
Resource
win10v2004-20231215-en
General
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Target
8122ff616e9f7fa92350d46c51dc5ba9.exe
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Size
371KB
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MD5
8122ff616e9f7fa92350d46c51dc5ba9
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SHA1
1fbca0b2b6eeb553b0636c2645e460b468881bb1
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SHA256
9d5ac230896a9d94a7bc9c3858b02525f9e07fc67756f48c25d57d503a70fa5a
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SHA512
0bf2a80e00eb1a581eb8650a42c905059ce8e6c4d6d96ddfeb34d3f69f7629330fd57adee951b96ebf663f08f0a67fd28ac5218f3f6e52b301f4bbe361ea8b08
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SSDEEP
6144:daHOVYiYUDl0nYXPEVasOdU2RLIXDv/Z+iOrR2eZHzQNtUDbx7yYe:dUOVYidPEVSVIthQZHzjDgF
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.azebal.com - Port:
587 - Username:
[email protected] - Password:
xpSbcNC9 - 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/4420-2-0x0000000000400000-0x0000000000448000-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 12 checkip.dyndns.org 14 freegeoip.app 15 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1840 set thread context of 4420 1840 8122ff616e9f7fa92350d46c51dc5ba9.exe 84 -
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 opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4420 MSBuild.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1840 8122ff616e9f7fa92350d46c51dc5ba9.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4420 MSBuild.exe Token: SeRestorePrivilege 1696 dw20.exe Token: SeBackupPrivilege 1696 dw20.exe Token: SeBackupPrivilege 1696 dw20.exe Token: SeBackupPrivilege 1696 dw20.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1840 wrote to memory of 4420 1840 8122ff616e9f7fa92350d46c51dc5ba9.exe 84 PID 1840 wrote to memory of 4420 1840 8122ff616e9f7fa92350d46c51dc5ba9.exe 84 PID 1840 wrote to memory of 4420 1840 8122ff616e9f7fa92350d46c51dc5ba9.exe 84 PID 1840 wrote to memory of 4420 1840 8122ff616e9f7fa92350d46c51dc5ba9.exe 84 PID 4420 wrote to memory of 1696 4420 MSBuild.exe 85 PID 4420 wrote to memory of 1696 4420 MSBuild.exe 85 PID 4420 wrote to memory of 1696 4420 MSBuild.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\8122ff616e9f7fa92350d46c51dc5ba9.exe"C:\Users\Admin\AppData\Local\Temp\8122ff616e9f7fa92350d46c51dc5ba9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\8122ff616e9f7fa92350d46c51dc5ba9.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4420 -
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:1696
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