snakekeylogger | 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 16:51

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General

Target
z26MB263350412AE.exe
Size 637KB
Sample240508-vctf6aeb4s
SHA256 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7
MD5 318831581b1622295c9367f25a18792d
SHA1 2fdec7f6b9c9a3b1d93796135d20fb7918e0cdce
SHA512 17573d9e3f054b2711bd0ac0c9bb9b3f4fed18da8ae19a58e396297eddc71fae4537f7f78375ca3cd7fbfdfa2aa4dbd775c9c396af4b255834b0f9bcd9a71854
SSDEEP 12288:vhD2iNT/SHtBYYx9T4gR+r9TCQJbSKnM9YZEiG2rDR4HzJiKC:vd1cHtBYbgR+5TCQJmKtEx2rDR4HA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection execution keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.speedhouseoman.com
Port
587
Username
[email protected]
Password
SpH@0084

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.speedhouseoman.com
Port
587
Username
[email protected]
Password
SpH@0084

https://scratchdreams.tk

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2628-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2628-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2628-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2628-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2628-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2604	powershell.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z26MB263350412AE.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z26MB263350412AE.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z26MB263350412AE.exe

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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 2628	1960	z26MB263350412AE.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2704	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	z26MB263350412AE.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	z26MB263350412AE.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1960	z26MB263350412AE.exe
2628	z26MB263350412AE.exe
2604	powershell.exe
2628	z26MB263350412AE.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	z26MB263350412AE.exe
Token: SeDebugPrivilege	2628	z26MB263350412AE.exe
Token: SeDebugPrivilege	2604	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2604	1960	z26MB263350412AE.exe	28
PID 1960 wrote to memory of 2604	1960	z26MB263350412AE.exe	28
PID 1960 wrote to memory of 2604	1960	z26MB263350412AE.exe	28
PID 1960 wrote to memory of 2604	1960	z26MB263350412AE.exe	28
PID 1960 wrote to memory of 2704	1960	z26MB263350412AE.exe	30
PID 1960 wrote to memory of 2704	1960	z26MB263350412AE.exe	30
PID 1960 wrote to memory of 2704	1960	z26MB263350412AE.exe	30
PID 1960 wrote to memory of 2704	1960	z26MB263350412AE.exe	30
PID 1960 wrote to memory of 2600	1960	z26MB263350412AE.exe	32
PID 1960 wrote to memory of 2600	1960	z26MB263350412AE.exe	32
PID 1960 wrote to memory of 2600	1960	z26MB263350412AE.exe	32
PID 1960 wrote to memory of 2600	1960	z26MB263350412AE.exe	32
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33
PID 1960 wrote to memory of 2628	1960	z26MB263350412AE.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z26MB263350412AE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z26MB263350412AE.exe

C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe
"C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KYmWnLVcE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2604
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYmWnLVcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B04.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2704
- C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe
  "C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"
  2⤵
  PID:2600
- C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe
  "C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

tmp4B04.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp4B04.tmp
Size 1KB
SHA256 a36b3094611d87adb92355407a4b86fd486f301380b17a39e7e6880b99635823
MD5 6213afe52b88403c5e28cf9c32763c22
SHA1 ed7d39ffab42686572bbfb82b7d4dfd6cf7c1cb2
SHA512 2ec7fd8b0507aabe2f6faa569cc84bd5c189558a62974df002c8b2cf7eb84af1cf2ddb873e80065463af5795156d2dcc559eed2754e4ec67ea1794fb5e369871
MD5 SHA1 SHA512

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memory/1960-4-0x00000000005F0000-0x00000000005FE000-memory.dmp

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memory/1960-27-0x0000000074560000-0x0000000074C4E000-memory.dmp

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memory/1960-3-0x00000000002E0000-0x00000000002FC000-memory.dmp

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memory/1960-0-0x000000007456E000-0x000000007456F000-memory.dmp

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memory/1960-5-0x0000000000600000-0x0000000000616000-memory.dmp

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memory/1960-6-0x0000000005280000-0x00000000052EC000-memory.dmp

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memory/1960-7-0x0000000074560000-0x0000000074C4E000-memory.dmp

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memory/1960-1-0x0000000000300000-0x00000000003A6000-memory.dmp

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memory/1960-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

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memory/2628-21-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2628-15-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2628-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2628-19-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2628-17-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2628-26-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2628-25-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2628-24-0x0000000000400000-0x0000000000426000-memory.dmp

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