snakekeylogger | 7eebc8928fee351d731226a9abbf7ce6e5833072b18721c603573fc8ff4c6e16

Analysis

max time kernel
16s
max time network
135s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 15:18

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General

Target

SecuriteInfo.com.Win32.CrypterX-gen.28912.exe
Size

432KB
MD5

dc25c89ed10e75bc8f43dfce1287e307
SHA1

fe75ea5295c2a4711b5296d0e23b3542cdc9a7c4
SHA256

7eebc8928fee351d731226a9abbf7ce6e5833072b18721c603573fc8ff4c6e16
SHA512

a48340458dc9c607a16d99f233a1025f290bf2584b4ff594203a84b68ed7f6e44a7f8fc82988df3002963481a29506946f3b45c49b7fe572b693404fbdd88d36
SSDEEP

12288:E2t+axyVJLDNnZa693JxwTIAqf2HQGHwT5NI:vwVJLDNno695x+I329z

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2740-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-16-0x0000000000400000-0x0000000000426000-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.

Processes:

flow ioc

2 checkip.dyndns.org

flow	ioc
2	checkip.dyndns.org

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.28912.exe

description	pid	process	target process
PID 816 wrote to memory of 2752	816	SecuriteInfo.com.Win32.CrypterX-gen.28912.exe	Powershell.exe
PID 816 wrote to memory of 2752	816	SecuriteInfo.com.Win32.CrypterX-gen.28912.exe	Powershell.exe
PID 816 wrote to memory of 2752	816	SecuriteInfo.com.Win32.CrypterX-gen.28912.exe	Powershell.exe
PID 816 wrote to memory of 2752	816	SecuriteInfo.com.Win32.CrypterX-gen.28912.exe	Powershell.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.28912.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.28912.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.28912.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
2⤵
PID:2752

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:2740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/816-22-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/816-1-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/816-3-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download
memory/816-2-0x00000000007B0000-0x0000000000806000-memory.dmp

Filesize
344KB

Download
memory/816-13-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/816-0-0x0000000000040000-0x00000000000B2000-memory.dmp

Filesize
456KB

Download
memory/816-9-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2752-7-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2752-12-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2752-8-0x0000000002930000-0x0000000002970000-memory.dmp

Filesize
256KB

Download
memory/2752-10-0x0000000002930000-0x0000000002970000-memory.dmp

Filesize
256KB

Download
memory/2752-6-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download