snakekeylogger | 5c8e9bd7e433d7bf42bdda8e881467e65932455a5d4ae186f7ebdc803e588073

General

Target

Specifications Details.exe
Size

754KB
MD5

6632ec2a1fe727474454779e7f9e15b1
SHA1

7b42e560d5f59f477384943deef5f242a997eedb
SHA256

0cb9f0b9b16dd0eba28e5e2a2fca61a5a72c541e53fb49f66a5b0e67e28e336c
SHA512

4c4c13e3e9dbf3e3b5c0150d291425e72a88d8f040e5e54fc99ce41c9aea412ba771b5ac7ce1ce90b1dfc08b514e13efa2ad0c382ec817cb660b1b3c93cee90c
SSDEEP

12288:UNta0s5YgbY6r4+F/xcsHJFVhttsJTW11ba5cZe/e73XVZ:TL3c3+P9pFVhtt4TW11Zqa3XVZ

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
instalacionestasende.com
Port:
25
Username:
[email protected]
Password:
VzX79@6v
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/316-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/316-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/316-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/316-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/316-8-0x0000000000400000-0x0000000000426000-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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Specifications Details.exe
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Specifications Details.exe
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Specifications Details.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 3032 set thread context of 316	3032	Specifications Details.exe	31

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	Specifications Details.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Specifications Details.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
316	Specifications Details.exe
316	Specifications Details.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	316	Specifications Details.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31
PID 3032 wrote to memory of 316	3032	Specifications Details.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Specifications Details.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Specifications Details.exe

C:\Users\Admin\AppData\Local\Temp\Specifications Details.exe
"C:\Users\Admin\AppData\Local\Temp\Specifications Details.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\Specifications Details.exe
  "C:\Users\Admin\AppData\Local\Temp\Specifications Details.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:316

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

Loading Replay Monitor...

Downloads

memory/316-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/316-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/316-21-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/316-20-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/316-18-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/316-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/316-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/316-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/316-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/316-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/316-17-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/316-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3032-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/3032-1-0x0000000000E40000-0x0000000000F02000-memory.dmp

Filesize
776KB

Download
memory/3032-4-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/3032-19-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/3032-3-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/3032-2-0x0000000000B20000-0x0000000000B74000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing