snakekeylogger | 71eba39e12395d9976498f3e4a3149a91ef60781a028165c1e4411b5d9101f38

General

Target

ESD99W89W99-PO9W2788Q-SHK092782.exe
Size

967KB
MD5

92e968ac53d2d4e180df2f21673a0839
SHA1

4be19b7994ca2858a98350943ff68e90432007d7
SHA256

71eba39e12395d9976498f3e4a3149a91ef60781a028165c1e4411b5d9101f38
SHA512

41b0443d5bfc450df9c0b882b75a9c9114511986637c5596674ab59a85dfe0981cba51012bd2ce9dae63ea58f4b08b5e8bd8a19ae88f2677223b472f221bcb84
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaC8keeMuBBr47eeJ7hJh:7JZoQrbTFZY1iaCfphLr47bpjh

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.invesxteu.info
Port:
587
Username:
[email protected]
Password:
rwe87$%21q

C2

https://api.telegram.org/bot7459546078:AAGmu84_Q9kndb_8-LhtglvhA0W4Utfq03Y/sendMessage?chat_id=7530923766

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/496-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/496-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/496-7-0x0000000000400000-0x0000000000426000-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 1924 set thread context of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	ESD99W89W99-PO9W2788Q-SHK092782.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
496	RegSvcs.exe
496	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1924	ESD99W89W99-PO9W2788Q-SHK092782.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	496	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30
PID 1924 wrote to memory of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30
PID 1924 wrote to memory of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30
PID 1924 wrote to memory of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30
PID 1924 wrote to memory of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30
PID 1924 wrote to memory of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30
PID 1924 wrote to memory of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30
PID 1924 wrote to memory of 496	1924	ESD99W89W99-PO9W2788Q-SHK092782.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ESD99W89W99-PO9W2788Q-SHK092782.exe
"C:\Users\Admin\AppData\Local\Temp\ESD99W89W99-PO9W2788Q-SHK092782.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\ESD99W89W99-PO9W2788Q-SHK092782.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:496

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/496-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/496-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/496-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/496-8-0x0000000073E2E000-0x0000000073E2F000-memory.dmp

Filesize
4KB

Download
memory/496-9-0x0000000073E20000-0x000000007450E000-memory.dmp

Filesize
6.9MB

Download
memory/496-10-0x0000000073E2E000-0x0000000073E2F000-memory.dmp

Filesize
4KB

Download
memory/496-11-0x0000000073E20000-0x000000007450E000-memory.dmp

Filesize
6.9MB

Download
memory/1924-2-0x0000000002E70000-0x0000000003070000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing