snakekeylogger | f6b094d042f1ccc79ef5060b18495c6bee55585630fac2c3d3f32a8c9c174de6

General

Target

z1MB267382625AE.exe
Size

636KB
MD5

b996196f91e1480ba0a4bb0304a1f960
SHA1

417edfb082a48d152475e0a174162d05e9581045
SHA256

f6b094d042f1ccc79ef5060b18495c6bee55585630fac2c3d3f32a8c9c174de6
SHA512

dc33be712bd0d7b9a85706206e93389209bff95b7f1bf6d16537917b2267e6a628381d912c387300d780a46565a8fc35be8873ed7bc5471279e15098c5fc76ab
SSDEEP

12288:1X3wtfRzxWW1odEy2OROXqt81WwzD7ZgJh9XxcALs5RFyu:1XMpzxWz2ORSq0zDF4hzcis5Rl

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: ftp
Host:
ftp://cpanel2-nl.thcservers.com/
Port:
21
Username:
[email protected]
Password:
Uvob2G1Tc73ZCus02X

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2728-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2728-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2728-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2728-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2728-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2804	powershell.exe
2868	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z1MB267382625AE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z1MB267382625AE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z1MB267382625AE.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 2272 set thread context of 2728	2272	z1MB267382625AE.exe	36

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 5 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	z1MB267382625AE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z1MB267382625AE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2728	z1MB267382625AE.exe
2868	powershell.exe
2804	powershell.exe
2728	z1MB267382625AE.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	z1MB267382625AE.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeDebugPrivilege	2804	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2804	2272	z1MB267382625AE.exe	30
PID 2272 wrote to memory of 2804	2272	z1MB267382625AE.exe	30
PID 2272 wrote to memory of 2804	2272	z1MB267382625AE.exe	30
PID 2272 wrote to memory of 2804	2272	z1MB267382625AE.exe	30
PID 2272 wrote to memory of 2868	2272	z1MB267382625AE.exe	32
PID 2272 wrote to memory of 2868	2272	z1MB267382625AE.exe	32
PID 2272 wrote to memory of 2868	2272	z1MB267382625AE.exe	32
PID 2272 wrote to memory of 2868	2272	z1MB267382625AE.exe	32
PID 2272 wrote to memory of 3004	2272	z1MB267382625AE.exe	34
PID 2272 wrote to memory of 3004	2272	z1MB267382625AE.exe	34
PID 2272 wrote to memory of 3004	2272	z1MB267382625AE.exe	34
PID 2272 wrote to memory of 3004	2272	z1MB267382625AE.exe	34
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36
PID 2272 wrote to memory of 2728	2272	z1MB267382625AE.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z1MB267382625AE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z1MB267382625AE.exe

C:\Users\Admin\AppData\Local\Temp\z1MB267382625AE.exe
"C:\Users\Admin\AppData\Local\Temp\z1MB267382625AE.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- 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\z1MB267382625AE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pNgFqm.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2868
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pNgFqm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD9B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3004
- C:\Users\Admin\AppData\Local\Temp\z1MB267382625AE.exe
  "C:\Users\Admin\AppData\Local\Temp\z1MB267382625AE.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:2728

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\tmpCD9B.tmp

Filesize
1KB

MD5
66220a89295be2b86f7730066a8f47a7

SHA1
16d66777d66a67781607c0e4a9d568caccde7024

SHA256
a1fd5c904f4e858d5c5766ea81fd387f1f37ae605a14f8ee843030b1e42775b6

SHA512
cae4f88d2ad115640e3ce94f6114736a2fb670a5038e77a72f0f3fdb5b9cf80b04484619b36c0b9e07d33337badb21bf1183e19d3cd71528ad9ee992cabb6fc2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\G5YC43XK067S8MDYXS3R.temp

Filesize
7KB

MD5
9a549252b917f0d47988504fb2af6997

SHA1
969bf423176b26aaf686024409c42760798dc50a

SHA256
81316b5261387cc9cdf4f31effa2b4590ac2e2d5c3dca004f3fe390096b265b3

SHA512
f41574a8437f6a00791aa2e74438aa1cfa639a16d4545ee1ff0c5494a4cd43b89c2cb650da72877342e70baf44b87825f9c42997f32bf224ffb255d64051eb35

Download Submit
memory/2272-4-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2272-32-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2272-5-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-6-0x0000000004F40000-0x0000000004FAC000-memory.dmp

Filesize
432KB

Download
memory/2272-2-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-1-0x0000000000FA0000-0x0000000001046000-memory.dmp

Filesize
664KB

Download
memory/2272-3-0x0000000000230000-0x0000000000242000-memory.dmp

Filesize
72KB

Download
memory/2728-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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