snakekeylogger | 786c92b68ab04326434ed0e5f8958f04150529ce41b77b7926bef112be70133b

General

Target

tmp1kbbgj9l.exe
Size

748KB
MD5

84410ac9abd7ec60088e84613377db6c
SHA1

d2f4503deb31982ed04c647d3c723a14a5775a1d
SHA256

786c92b68ab04326434ed0e5f8958f04150529ce41b77b7926bef112be70133b
SHA512

1b1cd312e2747557655d60de32494da8dee0cf3bcd7e1d2429690ef1c564005bdaf41e0b800ea1d1e3750a059bd69f732e5cd4edbb4567ed67a708a306a11607
SSDEEP

12288:wvSqYOE5jq1fdE5rV9MX/IF1MzuAjA53aesE1gqd1twx:BNq1i5fMXQ7MzuAU5qedFs

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7984047337:AAGSaG0nExqxkiCbwnZqDwxijOF59XBFFIM/sendMessage?chat_id=2135869667

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4856-11-0x0000000000570000-0x0000000000596000-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-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1kbbgj9l.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1kbbgj9l.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1kbbgj9l.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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3084 set thread context of 4856	3084	tmp1kbbgj9l.exe	87

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	tmp1kbbgj9l.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp1kbbgj9l.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4856	tmp1kbbgj9l.exe
4856	tmp1kbbgj9l.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	tmp1kbbgj9l.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 4856	3084	tmp1kbbgj9l.exe	87
PID 3084 wrote to memory of 4856	3084	tmp1kbbgj9l.exe	87
PID 3084 wrote to memory of 4856	3084	tmp1kbbgj9l.exe	87
PID 3084 wrote to memory of 4856	3084	tmp1kbbgj9l.exe	87
PID 3084 wrote to memory of 4856	3084	tmp1kbbgj9l.exe	87
PID 3084 wrote to memory of 4856	3084	tmp1kbbgj9l.exe	87
PID 3084 wrote to memory of 4856	3084	tmp1kbbgj9l.exe	87
PID 3084 wrote to memory of 4856	3084	tmp1kbbgj9l.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1kbbgj9l.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1kbbgj9l.exe

C:\Users\Admin\AppData\Local\Temp\tmp1kbbgj9l.exe
"C:\Users\Admin\AppData\Local\Temp\tmp1kbbgj9l.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Users\Admin\AppData\Local\Temp\tmp1kbbgj9l.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp1kbbgj9l.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:4856

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/3084-8-0x0000000005D00000-0x0000000005D08000-memory.dmp

Filesize
32KB

Download
memory/3084-4-0x0000000005AE0000-0x0000000005B34000-memory.dmp

Filesize
336KB

Download
memory/3084-0-0x000000007500E000-0x000000007500F000-memory.dmp

Filesize
4KB

Download
memory/3084-3-0x0000000005A40000-0x0000000005AD2000-memory.dmp

Filesize
584KB

Download
memory/3084-16-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/3084-5-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/3084-6-0x0000000005CF0000-0x0000000005CFA000-memory.dmp

Filesize
40KB

Download
memory/3084-13-0x000000007500E000-0x000000007500F000-memory.dmp

Filesize
4KB

Download
memory/3084-2-0x0000000005FF0000-0x0000000006594000-memory.dmp

Filesize
5.6MB

Download
memory/3084-1-0x0000000000F80000-0x0000000001042000-memory.dmp

Filesize
776KB

Download
memory/3084-7-0x0000000005DB0000-0x0000000005E4C000-memory.dmp

Filesize
624KB

Download
memory/4856-12-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/4856-11-0x0000000000570000-0x0000000000596000-memory.dmp

Filesize
152KB

Download
memory/4856-14-0x0000000005F20000-0x0000000005F70000-memory.dmp

Filesize
320KB

Download
memory/4856-15-0x0000000006140000-0x0000000006302000-memory.dmp

Filesize
1.8MB

Download
memory/4856-10-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/4856-17-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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