snakekeylogger | e69303be21ced377b4f638164ae2df1b2673f6435ade76316779a0d0b97ac0e4

General

Target

arinzezx.exe
Size

550KB
MD5

fd876cea9afb2f7587a2bde3fc700337
SHA1

1488bf5d3da8ce3e99c6dd16109be50363772338
SHA256

e69303be21ced377b4f638164ae2df1b2673f6435ade76316779a0d0b97ac0e4
SHA512

4eb0afbbb7da081123b1d75339054b1a4180056761042a33721c3ffb3caa3ab527c3854a022b514bf336d62456dc03d397e8df2e74c03f64c0a325e9d5e93ddf
SSDEEP

12288:bOnbqjcHp2kZZdIvpncilmUzgHq5FU5Fwet1sZJ:bJ6Yk2x5HzgHeFazE

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 1 IoCs

resource	yara_rule
behavioral2/memory/3824-140-0x0000000000400000-0x0000000000426000-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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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
35	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 3824	1444	arinzezx.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3824	arinzezx.exe
3824	arinzezx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3824	arinzezx.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 3824	1444	arinzezx.exe	90
PID 1444 wrote to memory of 3824	1444	arinzezx.exe	90
PID 1444 wrote to memory of 3824	1444	arinzezx.exe	90
PID 1444 wrote to memory of 3824	1444	arinzezx.exe	90
PID 1444 wrote to memory of 3824	1444	arinzezx.exe	90
PID 1444 wrote to memory of 3824	1444	arinzezx.exe	90
PID 1444 wrote to memory of 3824	1444	arinzezx.exe	90
PID 1444 wrote to memory of 3824	1444	arinzezx.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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:1444
- 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:3824

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

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Downloads

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

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1444-133-0x0000000000E60000-0x0000000000EF0000-memory.dmp

Filesize
576KB

Download
memory/1444-134-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/1444-135-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/1444-136-0x0000000005890000-0x000000000589A000-memory.dmp

Filesize
40KB

Download
memory/1444-137-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/1444-138-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/1444-139-0x0000000008C60000-0x0000000008CFC000-memory.dmp

Filesize
624KB

Download
memory/3824-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3824-143-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3824-144-0x0000000006240000-0x0000000006402000-memory.dmp

Filesize
1.8MB

Download
memory/3824-145-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download

Analysis

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