snakekeylogger | 95980ae7643efeb9358309c5ec6ae4c61e6d40e651ccf630b038daa144d8532e

General

Target

897ccbf6a7b5a8cb1093f151c27c6bef.exe
Size

564KB
MD5

897ccbf6a7b5a8cb1093f151c27c6bef
SHA1

d71cc6aea7a4eddf9f222d33e0ba49e68374d06f
SHA256

95980ae7643efeb9358309c5ec6ae4c61e6d40e651ccf630b038daa144d8532e
SHA512

67048fb1716bd7111d750ac50ec54d92d7874c8dd53d37cb47046389308d6ab83f7a9fce8ca9db68e2a537bb9e122d2fb3ebb373c4c911f26d75039f5c772f38
SSDEEP

12288:R8G1KBsHw0Z9ejsgSGg6vCsvrh1TiazylyzlDFYj2EX53W5UV0prEAmD:BYBuFMCO+4dFYr3W5Uupr

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7373686073:AAHQHYI7V_nq22xcLW2fjXhtxuin5f9EapA/sendMessage?chat_id=5692813672

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/2476-21-0x0000000000120000-0x0000000000146000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-18-0x0000000000120000-0x0000000000146000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-13-0x0000000000120000-0x0000000000146000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-9-0x0000000000120000-0x0000000000146000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-15-0x0000000000120000-0x0000000000146000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-8-0x0000000000120000-0x0000000000146000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	897ccbf6a7b5a8cb1093f151c27c6bef.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	897ccbf6a7b5a8cb1093f151c27c6bef.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	897ccbf6a7b5a8cb1093f151c27c6bef.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 2052 set thread context of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	897ccbf6a7b5a8cb1093f151c27c6bef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	897ccbf6a7b5a8cb1093f151c27c6bef.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2476	897ccbf6a7b5a8cb1093f151c27c6bef.exe
2476	897ccbf6a7b5a8cb1093f151c27c6bef.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2476	897ccbf6a7b5a8cb1093f151c27c6bef.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29
PID 2052 wrote to memory of 2476	2052	897ccbf6a7b5a8cb1093f151c27c6bef.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	897ccbf6a7b5a8cb1093f151c27c6bef.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	897ccbf6a7b5a8cb1093f151c27c6bef.exe

C:\Users\Admin\AppData\Local\Temp\897ccbf6a7b5a8cb1093f151c27c6bef.exe
"C:\Users\Admin\AppData\Local\Temp\897ccbf6a7b5a8cb1093f151c27c6bef.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Users\Admin\AppData\Local\Temp\897ccbf6a7b5a8cb1093f151c27c6bef.exe
  "C:\Users\Admin\AppData\Local\Temp\897ccbf6a7b5a8cb1093f151c27c6bef.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2052-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2052-1-0x0000000000070000-0x0000000000102000-memory.dmp

Filesize
584KB

Download
memory/2052-2-0x0000000002010000-0x0000000002064000-memory.dmp

Filesize
336KB

Download
memory/2052-3-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2052-4-0x0000000000630000-0x0000000000638000-memory.dmp

Filesize
32KB

Download
memory/2052-24-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2476-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2476-13-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/2476-18-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/2476-9-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/2476-7-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/2476-15-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/2476-5-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/2476-8-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/2476-22-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2476-23-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2476-21-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/2476-25-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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