snakekeylogger | 914fcf53686f280284ed3b0313f62b1b84c443a95d65d1908fe5fee1f244a29f

Analysis

max time kernel
76s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2022, 14:44

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General

Target

proforma invoice.exe
Size

1003KB
MD5

cddeae6956be5b3042021bd754de54f2
SHA1

f571bd5c9515eea339177085407e0981948ccb2e
SHA256

914fcf53686f280284ed3b0313f62b1b84c443a95d65d1908fe5fee1f244a29f
SHA512

f7d186256bbc656a164c09bc6578948897dbf6afd302aef0728c7613364f8ed6feabe4baea12fc3e44343267e288cacc914789754fb164e3680d7b9a9f78b8c6
SSDEEP

12288:y2iNScxeX6+Ax7rB/kKz69AuDHe4FhhhOoWM3G:y15xeX6PRtl2uazQbM3

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5587666659:AAG8NrrXJQs__dhk8nLJBFOspz2my8OVpX0/sendMessage?chat_id=5569775004

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3724-139-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.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
64	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4460 set thread context of 3724	4460	proforma invoice.exe	101

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3724	proforma invoice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3724	proforma invoice.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 3724	4460	proforma invoice.exe	101
PID 4460 wrote to memory of 3724	4460	proforma invoice.exe	101
PID 4460 wrote to memory of 3724	4460	proforma invoice.exe	101
PID 4460 wrote to memory of 3724	4460	proforma invoice.exe	101
PID 4460 wrote to memory of 3724	4460	proforma invoice.exe	101
PID 4460 wrote to memory of 3724	4460	proforma invoice.exe	101
PID 4460 wrote to memory of 3724	4460	proforma invoice.exe	101
PID 4460 wrote to memory of 3724	4460	proforma invoice.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3724-139-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3724-140-0x0000000006640000-0x0000000006802000-memory.dmp

Filesize
1.8MB

Download
memory/4460-132-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/4460-133-0x0000000005700000-0x0000000005CA4000-memory.dmp

Filesize
5.6MB

Download
memory/4460-134-0x0000000005070000-0x0000000005102000-memory.dmp

Filesize
584KB

Download
memory/4460-135-0x0000000005060000-0x000000000506A000-memory.dmp

Filesize
40KB

Download
memory/4460-136-0x0000000007820000-0x00000000078BC000-memory.dmp

Filesize
624KB

Download
memory/4460-137-0x00000000078C0000-0x0000000007926000-memory.dmp

Filesize
408KB

Download