snakekeylogger | 3669f96c22728c600ea409d6a0ebf8f66ee8ca7eaf50a5f1767f2086b7081d76

General

Target

arinzezx.exe
Size

751KB
MD5

f95a568151abf6cdbc78288f24352733
SHA1

9e8d4ecd93cb80f07f959c850273b83e8066ddaf
SHA256

3669f96c22728c600ea409d6a0ebf8f66ee8ca7eaf50a5f1767f2086b7081d76
SHA512

6150be1404f34feaa112a80c0e9a4ab15313b4ed04037b5dfa4e33de14018f14bdb37b09033fe3ea7be9dac1e190d1cab8a8f3f31e8a67583c9890e3916a7d4b
SSDEEP

12288:hMaBkhgfZIG0UGrJPg/ZsvsbkNENbpOr9k9sb/y9AGFCRshawHRr/CB06KuLp4b8:hM+xfZIG0UGNIhs5abpOu90q9AdKhawT

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
cp5ua.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1500-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1500-67-0x000000000042081E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1500-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1500-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1500-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1500-71-0x0000000000400000-0x0000000000426000-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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 1500	1232	arinzezx.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1500	arinzezx.exe
1500	arinzezx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	arinzezx.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28
PID 1232 wrote to memory of 1500	1232	arinzezx.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe

C:\Users\Admin\AppData\Local\Temp\arinzezx.exe
"C:\Users\Admin\AppData\Local\Temp\arinzezx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\arinzezx.exe
  "C:\Users\Admin\AppData\Local\Temp\arinzezx.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1500

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

memory/1232-54-0x0000000001370000-0x0000000001432000-memory.dmp

Filesize
776KB

Download
memory/1232-55-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1232-56-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download
memory/1232-57-0x0000000000410000-0x000000000041C000-memory.dmp

Filesize
48KB

Download
memory/1232-58-0x0000000005AF0000-0x0000000005B72000-memory.dmp

Filesize
520KB

Download
memory/1232-59-0x0000000000720000-0x0000000000748000-memory.dmp

Filesize
160KB

Download
memory/1500-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1500-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1500-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1500-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1500-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1500-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1500-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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