snakekeylogger | 1e4d15ccd3ee787324ccd48246f980a8e37495b82e962a27e9d634b14e6660bc

General

Target

tmp.exe
Size

1.1MB
MD5

178ff2e386dee063633a246556caf621
SHA1

b6f7afc2f136c5a56a698814d5d500b6bdddf7b0
SHA256

1e4d15ccd3ee787324ccd48246f980a8e37495b82e962a27e9d634b14e6660bc
SHA512

8fbcf503ed94062ca294df0b16a401d3649b8f7d912a02c2e70d349e451ebfd69216b63257a2d76d0ffb2dba45021101f85580834314d7d0998c89e8513d46b0
SSDEEP

24576:XW8DET+VwfHGXG31BX8+BvFr8TAqbDORBY:BbVwfpFBX8+BvFoDaY

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
LYSV$*b4
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1680-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1680-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1680-72-0x00000000004201BE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1680-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1680-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1680-76-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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 1488 set thread context of 1680	1488	tmp.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1488	tmp.exe
1488	tmp.exe
1680	tmp.exe
1416	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	tmp.exe
Token: SeDebugPrivilege	1680	tmp.exe
Token: SeDebugPrivilege	1416	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1416	1488	tmp.exe	27
PID 1488 wrote to memory of 1416	1488	tmp.exe	27
PID 1488 wrote to memory of 1416	1488	tmp.exe	27
PID 1488 wrote to memory of 1416	1488	tmp.exe	27
PID 1488 wrote to memory of 1708	1488	tmp.exe	29
PID 1488 wrote to memory of 1708	1488	tmp.exe	29
PID 1488 wrote to memory of 1708	1488	tmp.exe	29
PID 1488 wrote to memory of 1708	1488	tmp.exe	29
PID 1488 wrote to memory of 1680	1488	tmp.exe	31
PID 1488 wrote to memory of 1680	1488	tmp.exe	31
PID 1488 wrote to memory of 1680	1488	tmp.exe	31
PID 1488 wrote to memory of 1680	1488	tmp.exe	31
PID 1488 wrote to memory of 1680	1488	tmp.exe	31
PID 1488 wrote to memory of 1680	1488	tmp.exe	31
PID 1488 wrote to memory of 1680	1488	tmp.exe	31
PID 1488 wrote to memory of 1680	1488	tmp.exe	31
PID 1488 wrote to memory of 1680	1488	tmp.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\chzTmmOnWi.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1416
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\chzTmmOnWi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1708
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp50.tmp

Filesize
1KB

MD5
300adc513c9c98990797e383051dad90

SHA1
2e1688b5d82298c15387bd967e492ac65a23c431

SHA256
5183ff120bf94b3cf2391f954cbf7c2a608d634ad708cc739923aa68eeda5814

SHA512
6a2213283da8cf781ed13df282bceaeaa488df9f7293a4fa01f67be22521213a762bbada85e62fc6577b1fc468957d218cabdc7dd4a4e99c7bd88b205990ef6c

Download Submit
memory/1416-78-0x000000006EE00000-0x000000006F3AB000-memory.dmp

Filesize
5.7MB

Download
memory/1416-79-0x000000006EE00000-0x000000006F3AB000-memory.dmp

Filesize
5.7MB

Download
memory/1488-55-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1488-56-0x00000000005B0000-0x00000000005C4000-memory.dmp

Filesize
80KB

Download
memory/1488-57-0x00000000007D0000-0x00000000007E4000-memory.dmp

Filesize
80KB

Download
memory/1488-58-0x0000000000630000-0x000000000063C000-memory.dmp

Filesize
48KB

Download
memory/1488-59-0x00000000054F0000-0x000000000556E000-memory.dmp

Filesize
504KB

Download
memory/1488-64-0x00000000057E0000-0x0000000005826000-memory.dmp

Filesize
280KB

Download
memory/1488-54-0x00000000008D0000-0x00000000009F0000-memory.dmp

Filesize
1.1MB

Download
memory/1680-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1680-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1680-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1680-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1680-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1680-76-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1680-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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