snakekeylogger | a7173cd653a2026e0adda67d7dd90285fbc887a7307bfa7f9acb246e15d2208c

General

Target

1278e21c6704c0881877cf3809305e60.exe
Size

965KB
MD5

1278e21c6704c0881877cf3809305e60
SHA1

ca75776e3c054787518f1ee573216799819a3e8a
SHA256

a7173cd653a2026e0adda67d7dd90285fbc887a7307bfa7f9acb246e15d2208c
SHA512

98bf2097ac01329fb7f434504673edaeff7de82e0260665d10c8c0411018b7ceb03afa7d19cd0716c1f6ac8fc1a1a27e22a6ac7e6f0856dca057376285c2dbdb
SSDEEP

24576:GAHnh+eWsN3skA4RV1Hom2KXMmHajJJ5:hh+ZkldoPK8YajR

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
t%qsN(y5t%qsN(y5

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/804-11-0x0000000000400000-0x0000000000426000-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-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\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
21	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1536 set thread context of 804	1536	1278e21c6704c0881877cf3809305e60.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2692	1536	WerFault.exe	83

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1278e21c6704c0881877cf3809305e60.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
804	RegSvcs.exe
804	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1536	1278e21c6704c0881877cf3809305e60.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	804	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 804	1536	1278e21c6704c0881877cf3809305e60.exe	87
PID 1536 wrote to memory of 804	1536	1278e21c6704c0881877cf3809305e60.exe	87
PID 1536 wrote to memory of 804	1536	1278e21c6704c0881877cf3809305e60.exe	87
PID 1536 wrote to memory of 804	1536	1278e21c6704c0881877cf3809305e60.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1278e21c6704c0881877cf3809305e60.exe
"C:\Users\Admin\AppData\Local\Temp\1278e21c6704c0881877cf3809305e60.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\1278e21c6704c0881877cf3809305e60.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:804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 640
  2⤵
  - Program crash
  PID:2692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1536 -ip 1536
1⤵
PID:4536

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/804-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/804-12-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/804-13-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/804-14-0x0000000005060000-0x00000000050FC000-memory.dmp

Filesize
624KB

Download
memory/804-15-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/804-16-0x0000000006370000-0x00000000063C0000-memory.dmp

Filesize
320KB

Download
memory/804-17-0x0000000006590000-0x0000000006752000-memory.dmp

Filesize
1.8MB

Download
memory/804-18-0x0000000006460000-0x00000000064F2000-memory.dmp

Filesize
584KB

Download
memory/804-19-0x00000000063F0000-0x00000000063FA000-memory.dmp

Filesize
40KB

Download
memory/804-20-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/804-21-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/1536-10-0x0000000000AD0000-0x0000000000AD4000-memory.dmp

Filesize
16KB

Download

Analysis

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