snakekeylogger | 8df3a1cb9299783e8f886323f5ee7e6ff2a50c0585857076650d5e918b0ece7f

General

Target

tmp.exe
Size

645KB
MD5

e7fba7dcb3b477cf88780bc5dfeb2c07
SHA1

68075208681e7eb4f89e1976c8d92cb2deaf4246
SHA256

8df3a1cb9299783e8f886323f5ee7e6ff2a50c0585857076650d5e918b0ece7f
SHA512

62126759d540f5198f6f334323be8f6a9de36152672b0745b7e306b4a366c4dd4496e64d9ca7cfc8695a96b4d6edd079422fc1a7260164f8dc5738f13494309e
SSDEEP

12288:mg+loi1HerVJ4iiuu402sBM6NBs8HwFmx9xzqfAloUbpsQr4:b2HUL4ieR9xHhRz1logpsL

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.clubraqueta.es
Port:
587
Username:
[email protected]
Password:
8mj8AYlo8jkSUoj
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4704-140-0x0000000000400000-0x0000000000426000-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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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
31	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 948 set thread context of 4704	948	tmp.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4704	tmp.exe
4704	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4704	tmp.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 4704	948	tmp.exe	91
PID 948 wrote to memory of 4704	948	tmp.exe	91
PID 948 wrote to memory of 4704	948	tmp.exe	91
PID 948 wrote to memory of 4704	948	tmp.exe	91
PID 948 wrote to memory of 4704	948	tmp.exe	91
PID 948 wrote to memory of 4704	948	tmp.exe	91
PID 948 wrote to memory of 4704	948	tmp.exe	91
PID 948 wrote to memory of 4704	948	tmp.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:948
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tmp.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/948-133-0x0000000000660000-0x0000000000708000-memory.dmp

Filesize
672KB

Download
memory/948-134-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/948-135-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/948-136-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/948-137-0x0000000005170000-0x000000000517A000-memory.dmp

Filesize
40KB

Download
memory/948-138-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/948-139-0x0000000007030000-0x00000000070CC000-memory.dmp

Filesize
624KB

Download
memory/4704-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4704-143-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/4704-144-0x0000000006910000-0x0000000006AD2000-memory.dmp

Filesize
1.8MB

Download
memory/4704-145-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download

Analysis

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