snakekeylogger | f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3

Analysis

max time kernel
106s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 11:04

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General

Target

f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe
Size

941KB
MD5

61f9e6be7cae28b88ea8481acbe0c2c4
SHA1

79f3eae9574c2a5e31483748ed4fb88d7ecd2d6f
SHA256

f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3
SHA512

fa0c63dd8c837f2368a3c858edb97b7f1208fe18cec09e1cb24d0bf4f0e073d8e30bc50d22b279ede734394b661eda0e7a16144a1957b282fffccf3007470378
SSDEEP

24576:CLPI+JIfpe0ba/gDI7/dccQ8hxQuP6qXxOt0khg0lPDQMAI:CEnRK/0Iy0XQRqXxREvhDQQ

Score

10^/10

snakekeylogger collection credential_access keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7327372938:AAHFwuC3knQ9jY-1T98yh8owXZiixS_neU0/sendMessage?chat_id=6951521546

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2940-1093-0x0000000140000000-0x0000000140024000-memory.dmp	family_snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4404 created 3504	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe	56

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tvkleyi = "C:\\Users\\Admin\\AppData\\Roaming\\Tvkleyi.exe"	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.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
11	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4404 set thread context of 2940	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe	82

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe
2940	MSBuild.exe
2940	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe
Token: SeDebugPrivilege	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe
Token: SeDebugPrivilege	2940	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 2940	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe	82
PID 4404 wrote to memory of 2940	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe	82
PID 4404 wrote to memory of 2940	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe	82
PID 4404 wrote to memory of 2940	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe	82
PID 4404 wrote to memory of 2940	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe	82
PID 4404 wrote to memory of 2940	4404	f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3504
- C:\Users\Admin\AppData\Local\Temp\f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe
  "C:\Users\Admin\AppData\Local\Temp\f696fe58ff5ed8b84610d32dbfd0c9fb74ab01e8884ef1df45dc58ea43274ed3.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4404
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2940-1092-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/2940-1093-0x0000000140000000-0x0000000140024000-memory.dmp

Filesize
144KB

Download
memory/2940-1094-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/2940-1095-0x000002AAEB2B0000-0x000002AAEB300000-memory.dmp

Filesize
320KB

Download
memory/2940-1096-0x000002AAEC040000-0x000002AAEC202000-memory.dmp

Filesize
1.8MB

Download
memory/2940-1097-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/4404-52-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-42-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-62-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-40-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-28-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-22-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-10-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-8-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-6-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-3-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-4-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-66-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-156-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/4404-64-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-60-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-58-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-56-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-54-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-1-0x0000017B09330000-0x0000017B09422000-memory.dmp

Filesize
968KB

Download
memory/4404-50-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-48-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-46-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-44-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-2-0x0000017B23A10000-0x0000017B23AF8000-memory.dmp

Filesize
928KB

Download
memory/4404-38-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-36-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-34-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-32-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-30-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-27-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-24-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-20-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-18-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-16-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-14-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-12-0x0000017B23A10000-0x0000017B23AF1000-memory.dmp

Filesize
900KB

Download
memory/4404-1078-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/4404-1080-0x0000017B0B0B0000-0x0000017B0B0FC000-memory.dmp

Filesize
304KB

Download
memory/4404-1079-0x0000017B23B00000-0x0000017B23B62000-memory.dmp

Filesize
392KB

Download
memory/4404-1085-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/4404-0-0x00007FFB946F3000-0x00007FFB946F5000-memory.dmp

Filesize
8KB

Download
memory/4404-1086-0x0000017B24E10000-0x0000017B24E64000-memory.dmp

Filesize
336KB

Download
memory/4404-1088-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/4404-1090-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/4404-1091-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download