snakekeylogger | 3aad3c90b2113bf011c93db7987cce596fd1b0a94a3c36a9bad8d058effc33f5

General

Target

z9ZGBvizdC6e9usEv.exe
Size

666KB
MD5

e5581411ae1315c19c0ac9e517f62ab9
SHA1

13c7fed727d29b0415ef046cd8f19b146ebb7703
SHA256

3aad3c90b2113bf011c93db7987cce596fd1b0a94a3c36a9bad8d058effc33f5
SHA512

2d672d16bbf59d727176a3c5d932e27ee09984ebbe49ced58bf99f766a825388900b802dc21327d9df05167a4ca37b42fc52414ab48a04253d09cf38801bf2e9
SSDEEP

12288:KM3ZJ8IWeQhfIXvwfTDaulTLNsk91j71zTW5btLBVRhgohA:PShfcvwntJsSj71ze5LL9hA

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7733074716:AAHPqUDZNcrQPzH_G03x5ppIOnkxZuz-Nyk/sendMessage?chat_id=7337843299

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1080-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
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 3 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

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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z9ZGBvizdC6e9usEv.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z9ZGBvizdC6e9usEv.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z9ZGBvizdC6e9usEv.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
30	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5092 set thread context of 1080	5092	z9ZGBvizdC6e9usEv.exe	103

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	z9ZGBvizdC6e9usEv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z9ZGBvizdC6e9usEv.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
5092	z9ZGBvizdC6e9usEv.exe
5092	z9ZGBvizdC6e9usEv.exe
5092	z9ZGBvizdC6e9usEv.exe
5092	z9ZGBvizdC6e9usEv.exe
5092	z9ZGBvizdC6e9usEv.exe
5092	z9ZGBvizdC6e9usEv.exe
5092	z9ZGBvizdC6e9usEv.exe
5092	z9ZGBvizdC6e9usEv.exe
5092	z9ZGBvizdC6e9usEv.exe
1080	z9ZGBvizdC6e9usEv.exe
1080	z9ZGBvizdC6e9usEv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	z9ZGBvizdC6e9usEv.exe
Token: SeDebugPrivilege	1080	z9ZGBvizdC6e9usEv.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 1080	5092	z9ZGBvizdC6e9usEv.exe	103
PID 5092 wrote to memory of 1080	5092	z9ZGBvizdC6e9usEv.exe	103
PID 5092 wrote to memory of 1080	5092	z9ZGBvizdC6e9usEv.exe	103
PID 5092 wrote to memory of 1080	5092	z9ZGBvizdC6e9usEv.exe	103
PID 5092 wrote to memory of 1080	5092	z9ZGBvizdC6e9usEv.exe	103
PID 5092 wrote to memory of 1080	5092	z9ZGBvizdC6e9usEv.exe	103
PID 5092 wrote to memory of 1080	5092	z9ZGBvizdC6e9usEv.exe	103
PID 5092 wrote to memory of 1080	5092	z9ZGBvizdC6e9usEv.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z9ZGBvizdC6e9usEv.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z9ZGBvizdC6e9usEv.exe

C:\Users\Admin\AppData\Local\Temp\z9ZGBvizdC6e9usEv.exe
"C:\Users\Admin\AppData\Local\Temp\z9ZGBvizdC6e9usEv.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Users\Admin\AppData\Local\Temp\z9ZGBvizdC6e9usEv.exe
  "C:\Users\Admin\AppData\Local\Temp\z9ZGBvizdC6e9usEv.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:1080

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/1080-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1080-19-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1080-18-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1080-17-0x0000000006550000-0x0000000006712000-memory.dmp

Filesize
1.8MB

Download
memory/1080-16-0x0000000006330000-0x0000000006380000-memory.dmp

Filesize
320KB

Download
memory/1080-15-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1080-13-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/5092-4-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/5092-8-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/5092-9-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/5092-10-0x00000000018B0000-0x0000000001918000-memory.dmp

Filesize
416KB

Download
memory/5092-7-0x0000000006B70000-0x0000000006B8C000-memory.dmp

Filesize
112KB

Download
memory/5092-6-0x0000000005A40000-0x0000000005ADC000-memory.dmp

Filesize
624KB

Download
memory/5092-14-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/5092-5-0x0000000005840000-0x000000000584A000-memory.dmp

Filesize
40KB

Download
memory/5092-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/5092-3-0x0000000005780000-0x0000000005812000-memory.dmp

Filesize
584KB

Download
memory/5092-2-0x0000000005C50000-0x00000000061F4000-memory.dmp

Filesize
5.6MB

Download
memory/5092-1-0x0000000000E80000-0x0000000000F2C000-memory.dmp

Filesize
688KB

Download

Analysis

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