snakekeylogger | 6af36c9fc050eaf0914a5b314986c7333ef5cf2ea5de0e9ad6e48e584e2e7f54

General

Target

SD-0987654.exe
Size

244KB
MD5

8082ea7554f90b1a4ea84903a528fadc
SHA1

81ae189af6aa0989ea64c408daeec01bc45bfee8
SHA256

6af36c9fc050eaf0914a5b314986c7333ef5cf2ea5de0e9ad6e48e584e2e7f54
SHA512

d999b403df5cb4da043af54723c806fbc113f3bf080ddb4d0b779ed2f319b5f7ea2c44bbab74e4dce46a51dc65919ea4fd36a958f3f2aee8f55d9c30d9f79599
SSDEEP

6144:KuFDutOc6duxKLoldjvF/6HIKjnNi3XH7HKssJlnZMfoCD3cM:hFDutOc6duxKLoXjQHljO+JlKA

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.sienkakupeste.com
Port:
587
Username:
[email protected]
Password:
010203sienka++
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/3664-137-0x0000000000400000-0x0000000000424000-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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SD-0987654.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SD-0987654.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SD-0987654.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
23	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 3664	1552	SD-0987654.exe	87

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3664	SD-0987654.exe
3664	SD-0987654.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	SD-0987654.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 3684	1552	SD-0987654.exe	86
PID 1552 wrote to memory of 3684	1552	SD-0987654.exe	86
PID 1552 wrote to memory of 3684	1552	SD-0987654.exe	86
PID 1552 wrote to memory of 3664	1552	SD-0987654.exe	87
PID 1552 wrote to memory of 3664	1552	SD-0987654.exe	87
PID 1552 wrote to memory of 3664	1552	SD-0987654.exe	87
PID 1552 wrote to memory of 3664	1552	SD-0987654.exe	87
PID 1552 wrote to memory of 3664	1552	SD-0987654.exe	87
PID 1552 wrote to memory of 3664	1552	SD-0987654.exe	87
PID 1552 wrote to memory of 3664	1552	SD-0987654.exe	87
PID 1552 wrote to memory of 3664	1552	SD-0987654.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SD-0987654.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SD-0987654.exe

C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe
"C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe
  "C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe"
  2⤵
  PID:3684
- C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe
  "C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3664

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SD-0987654.exe.log

Filesize
706B

MD5
9b4d7ccdebef642a9ad493e2c2925952

SHA1
c020c622c215e880c8415fa867cb50210b443ef0

SHA256
e6f068d76bd941b4118225b130db2c70128e77a45dcdbf5cbab0f8a563b867ff

SHA512
8577ecd7597d4b540bc1c6ccc4150eae7443da2e4be1343cc42242714d04dd16e48c3fcaefd95c4a148fe9f14c5b6f3166b752ae20d608676cf6fb48919968e8

Download Submit
memory/1552-133-0x00000000005F0000-0x0000000000634000-memory.dmp

Filesize
272KB

Download
memory/1552-134-0x00000000055B0000-0x0000000005B54000-memory.dmp

Filesize
5.6MB

Download
memory/1552-135-0x0000000005000000-0x0000000005092000-memory.dmp

Filesize
584KB

Download
memory/1552-136-0x00000000051B0000-0x000000000524C000-memory.dmp

Filesize
624KB

Download
memory/3664-137-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3664-140-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/3664-141-0x00000000064F0000-0x00000000066B2000-memory.dmp

Filesize
1.8MB

Download
memory/3664-142-0x0000000006480000-0x000000000648A000-memory.dmp

Filesize
40KB

Download
memory/3664-143-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing