snakekeylogger | 77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9

General

Target

77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe
Size

483KB
MD5

4629d0dc92bb4c7c1b1beb0ffb8d9989
SHA1

dd016d266c083b9a91ccd29962c57c00201c9262
SHA256

77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9
SHA512

7ce6c52d4a0c794dd144b68fbb0d2b15b87be6e64a3fa99005157812e587b872d2ee34a1dc8b143a4814ae46d6c7a323b538d36e5042a8caffb0a36b12de49b4
SSDEEP

12288:y8G1KBsy2Mu8AORD8+V8HYSNhukvRZHaBhSUdZovH5UPm:2YB0npHYSlhMZs5Ue

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
alphagasea.com
Port:
587
Username:
[email protected]
Password:
welding123*
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/3864-9-0x0000000000400000-0x0000000000426000-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-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.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
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1648 set thread context of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86

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	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3864	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe
3864	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3864	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86
PID 1648 wrote to memory of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86
PID 1648 wrote to memory of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86
PID 1648 wrote to memory of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86
PID 1648 wrote to memory of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86
PID 1648 wrote to memory of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86
PID 1648 wrote to memory of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86
PID 1648 wrote to memory of 3864	1648	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe

C:\Users\Admin\AppData\Local\Temp\77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe
"C:\Users\Admin\AppData\Local\Temp\77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.exe
  "C:\Users\Admin\AppData\Local\Temp\77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9.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:3864

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/1648-8-0x0000000005A20000-0x0000000005A28000-memory.dmp

Filesize
32KB

Download
memory/1648-6-0x00000000059A0000-0x00000000059F4000-memory.dmp

Filesize
336KB

Download
memory/1648-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/1648-3-0x0000000005900000-0x0000000005992000-memory.dmp

Filesize
584KB

Download
memory/1648-13-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1648-5-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/1648-4-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1648-7-0x0000000005C00000-0x0000000005C9C000-memory.dmp

Filesize
624KB

Download
memory/1648-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/1648-1-0x0000000000E10000-0x0000000000E90000-memory.dmp

Filesize
512KB

Download
memory/3864-10-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3864-11-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3864-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3864-14-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3864-15-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3864-16-0x0000000006910000-0x0000000006960000-memory.dmp

Filesize
320KB

Download
memory/3864-17-0x0000000006B30000-0x0000000006CF2000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing