snakekeylogger | 78a49948453033607b17b96dc3a1b7822fde729025fb29ee50e7978fc287dd8e

General

Target

Contract.exe
Size

687KB
MD5

e1889e7a749a3039492b8c87207f94d6
SHA1

fdfc2777d9f4ffe47302dfcd85e73dc43fabae07
SHA256

1161e839e699bfd8e0065f6b6e3b1c76be8cb56d6c9db918e5fe8e454cb8d56c
SHA512

a141994c80731ec3d425cbfb21c284af682675d6a8aed2da7a7fa5bba85740b5f8e8cb2e2ce4c3a6493ce7c9c755058019279aa7092545e356f50a820336962a
SSDEEP

12288:BFoJNhQ/cWS7stsLbol3BUZKJU499O4NZqD7LtYhxiOkogG/TW:BCJN+UVsa/ol3Se99hNZqD72xiOko/T

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.murchisonspice.co.za
Port:
587
Username:
[email protected]
Password:
accounts786q#

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2932-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2932-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2932-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2932-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2932-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

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
2876	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 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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	reallyfreegeoip.org
9	reallyfreegeoip.org
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 2932	2392	Contract.exe	35

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 4 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	Contract.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Contract.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2932	Contract.exe
2876	powershell.exe
2932	Contract.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	Contract.exe
Token: SeDebugPrivilege	2876	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2876	2392	Contract.exe	31
PID 2392 wrote to memory of 2876	2392	Contract.exe	31
PID 2392 wrote to memory of 2876	2392	Contract.exe	31
PID 2392 wrote to memory of 2876	2392	Contract.exe	31
PID 2392 wrote to memory of 2920	2392	Contract.exe	33
PID 2392 wrote to memory of 2920	2392	Contract.exe	33
PID 2392 wrote to memory of 2920	2392	Contract.exe	33
PID 2392 wrote to memory of 2920	2392	Contract.exe	33
PID 2392 wrote to memory of 2932	2392	Contract.exe	35
PID 2392 wrote to memory of 2932	2392	Contract.exe	35
PID 2392 wrote to memory of 2932	2392	Contract.exe	35
PID 2392 wrote to memory of 2932	2392	Contract.exe	35
PID 2392 wrote to memory of 2932	2392	Contract.exe	35
PID 2392 wrote to memory of 2932	2392	Contract.exe	35
PID 2392 wrote to memory of 2932	2392	Contract.exe	35
PID 2392 wrote to memory of 2932	2392	Contract.exe	35
PID 2392 wrote to memory of 2932	2392	Contract.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe

C:\Users\Admin\AppData\Local\Temp\Contract.exe
"C:\Users\Admin\AppData\Local\Temp\Contract.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tCNmFia.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tCNmFia" /XML "C:\Users\Admin\AppData\Local\Temp\tmp493.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2920
- C:\Users\Admin\AppData\Local\Temp\Contract.exe
  "C:\Users\Admin\AppData\Local\Temp\Contract.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:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp493.tmp

Filesize
1KB

MD5
049f28368abcac3ee6a0b3c50f7cf2e1

SHA1
decc69b13d221d2a57d2112b9ee91a409e4b61a4

SHA256
cb6185ab753e4e45b53100e9de5b25eaf862aa2e5cc542ce37356ecf6908933e

SHA512
3952062b2c913e47531322afb5085300c2a1872331e6886f59b48c1c789e61bf98778f66a95fdf52d262ec2301fcc51754c4cc4f2ed3aad9d290f0c10fab98f8

Download Submit
memory/2392-26-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-5-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-3-0x0000000000DB0000-0x0000000000DD6000-memory.dmp

Filesize
152KB

Download
memory/2392-4-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2392-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2392-6-0x0000000000410000-0x000000000047C000-memory.dmp

Filesize
432KB

Download
memory/2392-2-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-1-0x0000000001110000-0x00000000011C2000-memory.dmp

Filesize
712KB

Download
memory/2932-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2932-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2932-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2932-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2932-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2932-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2932-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2932-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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