snakekeylogger | ebc8f41e800c715c69d1a537b97cfca3006b2770ef19f8db9e91729b6d5b6e41

General

Target

Shipment Document No - 100184429.exe
Size

511KB
MD5

cdee9eed2080c5d3c0494692e26d5659
SHA1

4d366ef4edc7a0e5dce9beebf38132d9d5418642
SHA256

2708fc0dd1f37e545533dbe8565658ff819ded88f33b3856cebb0b3a531965ad
SHA512

4faf501516cdef327db61c66e9ebed0422b6047fd69eff5ac29f6e1a1aa3d1ea552b9fab74ca84a760b0d7f2d18c573054ac7a5ed147e39bad41e7a30d47d389
SSDEEP

12288:W57kvq9inPTpfGU3VGQ9Co2dWsAvqafbwMVkU9CYs88fk7H5SJ/T:W5oqUPTpfG0GqT2dF2qafbV9CYsa7sJ

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6523340491:AAE-gt6KJIiSGDgELguwLbdTkn0MP0-909Y/sendMessage?chat_id=5116181161

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2692-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2692-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2692-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2692-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2692-9-0x0000000000400000-0x0000000000426000-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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2924	powershell.exe

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Document No - 100184429.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Document No - 100184429.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Document No - 100184429.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 2504 set thread context of 2692	2504	Shipment Document No - 100184429.exe	32

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	Shipment Document No - 100184429.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Shipment Document No - 100184429.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2504	Shipment Document No - 100184429.exe
2504	Shipment Document No - 100184429.exe
2692	Shipment Document No - 100184429.exe
2924	powershell.exe
2692	Shipment Document No - 100184429.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	Shipment Document No - 100184429.exe
Token: SeDebugPrivilege	2692	Shipment Document No - 100184429.exe
Token: SeDebugPrivilege	2924	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2924	2504	Shipment Document No - 100184429.exe	31
PID 2504 wrote to memory of 2924	2504	Shipment Document No - 100184429.exe	31
PID 2504 wrote to memory of 2924	2504	Shipment Document No - 100184429.exe	31
PID 2504 wrote to memory of 2924	2504	Shipment Document No - 100184429.exe	31
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32
PID 2504 wrote to memory of 2692	2504	Shipment Document No - 100184429.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Document No - 100184429.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Document No - 100184429.exe

C:\Users\Admin\AppData\Local\Temp\Shipment Document No - 100184429.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Document No - 100184429.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Shipment Document No - 100184429.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- C:\Users\Admin\AppData\Local\Temp\Shipment Document No - 100184429.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipment Document No - 100184429.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:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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 Information Discovery

1

T1082

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/2504-0-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x0000000000210000-0x0000000000296000-memory.dmp

Filesize
536KB

Download
memory/2504-2-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-3-0x0000000000420000-0x0000000000430000-memory.dmp

Filesize
64KB

Download
memory/2504-4-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/2504-5-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-6-0x0000000004B70000-0x0000000004BD8000-memory.dmp

Filesize
416KB

Download
memory/2504-20-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-21-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-22-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-25-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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