snakekeylogger | 904f29d18a2e624fdff3e46eb8aeef598c74304e9f763d26dcf4fc946812f9e5

Analysis

max time kernel
151s
max time network
141s
platform
windows7_x64
resource
win7-en-20211208
submitted
20/01/2022, 11:59

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General

Target
4rodtz.exe
Size 174KB
Sample220120-n5rdyahgh8
SHA256 904f29d18a2e624fdff3e46eb8aeef598c74304e9f763d26dcf4fc946812f9e5
MD5 233cb586e29201d80a88a4dda7b8dfc4
SHA1 afc024a8eae4c9afc3a3778a77a60dd9cd29f069
SHA512 d30f2376e9548300cf367f93c7bd6bcb0c49de44bc6be20cbbe41a31ecfead205cff9e7aae9c57691a0d81788e36c9cbecb9f3503f3d69968739badfc266193f
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
xjantion.shop
Port
587
Username
[email protected]
Password
&uQw;SfP1RY.wPXMak

Signatures

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

Snake Keylogger Payload 5 IoCs

resource	yara_rule
behavioral1/memory/1136-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1136-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1136-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1136-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1136-70-0x00000000005D0000-0x0000000000610000-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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4rodtz.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4rodtz.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4rodtz.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\update. = "\"C:\\Users\\Admin\\AppData\\Roaming\\update\\update..exe\""	4rodtz.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	freegeoip.app
8	checkip.dyndns.org
12	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 780 set thread context of 1136	780	4rodtz.exe	34

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1124	PING.EXE

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
780	4rodtz.exe
780	4rodtz.exe
780	4rodtz.exe
780	4rodtz.exe
780	4rodtz.exe
780	4rodtz.exe
1136	4rodtz.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	780	4rodtz.exe
Token: SeDebugPrivilege	1136	4rodtz.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1748	AcroRd32.exe
1748	AcroRd32.exe
1748	AcroRd32.exe
1748	AcroRd32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 652	780	4rodtz.exe	27
PID 780 wrote to memory of 652	780	4rodtz.exe	27
PID 780 wrote to memory of 652	780	4rodtz.exe	27
PID 780 wrote to memory of 652	780	4rodtz.exe	27
PID 652 wrote to memory of 1124	652	cmd.exe	29
PID 652 wrote to memory of 1124	652	cmd.exe	29
PID 652 wrote to memory of 1124	652	cmd.exe	29
PID 652 wrote to memory of 1124	652	cmd.exe	29
PID 780 wrote to memory of 1460	780	4rodtz.exe	32
PID 780 wrote to memory of 1460	780	4rodtz.exe	32
PID 780 wrote to memory of 1460	780	4rodtz.exe	32
PID 780 wrote to memory of 1460	780	4rodtz.exe	32
PID 780 wrote to memory of 1800	780	4rodtz.exe	33
PID 780 wrote to memory of 1800	780	4rodtz.exe	33
PID 780 wrote to memory of 1800	780	4rodtz.exe	33
PID 780 wrote to memory of 1800	780	4rodtz.exe	33
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 780 wrote to memory of 1136	780	4rodtz.exe	34
PID 1460 wrote to memory of 1748	1460	WScript.exe	35
PID 1460 wrote to memory of 1748	1460	WScript.exe	35
PID 1460 wrote to memory of 1748	1460	WScript.exe	35
PID 1460 wrote to memory of 1748	1460	WScript.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4rodtz.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4rodtz.exe

C:\Users\Admin\AppData\Local\Temp\4rodtz.exe
"C:\Users\Admin\AppData\Local\Temp\4rodtz.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C ping google.com
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:652
- - C:\Windows\SysWOW64\PING.EXE
    ping google.com
    3⤵
    - Runs ping.exe
    PID:1124
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ckgqydh1aqv.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Jhfrjmuvnezglfqhtnaeyxfile.pdf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1748
- C:\Users\Admin\AppData\Local\Temp\4rodtz.exe
  C:\Users\Admin\AppData\Local\Temp\4rodtz.exe
  2⤵
  PID:1800
- C:\Users\Admin\AppData\Local\Temp\4rodtz.exe
  C:\Users\Admin\AppData\Local\Temp\4rodtz.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1136

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Remote System Discovery

T1018

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

memory/780-57-0x0000000004EB0000-0x0000000004F30000-memory.dmp

Download

memory/780-54-0x00000000010F0000-0x0000000001120000-memory.dmp

Download

memory/780-58-0x0000000000BC0000-0x0000000000BF6000-memory.dmp

Download

memory/780-59-0x0000000004560000-0x00000000045AC000-memory.dmp

Download

memory/780-56-0x0000000000C70000-0x0000000000C71000-memory.dmp

Download

memory/780-55-0x0000000076B81000-0x0000000076B83000-memory.dmp

Download

memory/1136-62-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1136-63-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1136-65-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1136-64-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1136-66-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1136-67-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1136-70-0x00000000005D0000-0x0000000000610000-memory.dmp

Download