snakekeylogger | ab82097ee82184d7ca685960209805a8c83b9f28cc1eb9619d2704fe8dd54f48

General

Target

MVNYMPHTHETIS.exe
Size

484KB
MD5

e9c41d12687c5b97c5a3b2fee59e16e2
SHA1

33d59a8fec12077d69746ed1f50fd0aba7021444
SHA256

ab82097ee82184d7ca685960209805a8c83b9f28cc1eb9619d2704fe8dd54f48
SHA512

84f6d288adad08d604a89d5b97f37d82df600554a0cbe281b3f46ab3295725e9b4051497ba130880df7917ec7f10209be85da363faef9bee35ea7a1283c3bb45
SSDEEP

12288:y8G1KBsGhcbWFP7ariMg2WMN5IAk3w0/VwDZovH5UP3:2YBfhcbMzargujZs5UP

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 5 IoCs

resource	yara_rule
behavioral1/memory/2380-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2380-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2380-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2380-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2380-17-0x0000000000400000-0x0000000000426000-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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MVNYMPHTHETIS.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MVNYMPHTHETIS.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MVNYMPHTHETIS.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 2400 set thread context of 2380	2400	MVNYMPHTHETIS.exe	30

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2380	MVNYMPHTHETIS.exe
2380	MVNYMPHTHETIS.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	MVNYMPHTHETIS.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30
PID 2400 wrote to memory of 2380	2400	MVNYMPHTHETIS.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MVNYMPHTHETIS.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MVNYMPHTHETIS.exe

C:\Users\Admin\AppData\Local\Temp\MVNYMPHTHETIS.exe
"C:\Users\Admin\AppData\Local\Temp\MVNYMPHTHETIS.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\MVNYMPHTHETIS.exe
  "C:\Users\Admin\AppData\Local\Temp\MVNYMPHTHETIS.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:2380

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/2380-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2380-20-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2380-23-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2380-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2380-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2380-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2380-24-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-21-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2380-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2400-3-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1-0x0000000000B50000-0x0000000000BD0000-memory.dmp

Filesize
512KB

Download
memory/2400-2-0x0000000000930000-0x0000000000986000-memory.dmp

Filesize
344KB

Download
memory/2400-22-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-4-0x00000000009D0000-0x00000000009D8000-memory.dmp

Filesize
32KB

Download
memory/2400-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download

Analysis

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