snakekeylogger | 2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4

General

Target

rOrders.scr.exe
Size

810KB
MD5

1feb066e46d1beed60404a2a6adb3d5a
SHA1

a8a8627b651f037647294992cef1dc0924a6abbb
SHA256

2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4
SHA512

13adac6a8aafc03608d04951f551c21a723081f800d311f4ff2061d145a6fe6a751a5ff69e42d980ddb8ef12633a846f92d3919714c8626d16d6fa61b750178f
SSDEEP

12288:paMaSzOKy2r7SPN+3TzXhMlJ/AeHvC/yj0YVYdjTLdUR2:wMaSSKy2/SPNUbhve6/yyZTxU

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7880085226:AAFn59bjY_5aEtKKH3yN4wktDN454dzF1lM/sendMessage?chat_id=6055880871

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2788-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\00.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\00.exe	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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rOrders.scr.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rOrders.scr.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rOrders.scr.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1592 set thread context of 2788	1592	rOrders.scr.exe	32

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1916	Powershell.exe

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	rOrders.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rOrders.scr.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1916	Powershell.exe
2788	rOrders.scr.exe
2788	rOrders.scr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	Powershell.exe
Token: SeDebugPrivilege	2788	rOrders.scr.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 1916	1592	rOrders.scr.exe	30
PID 1592 wrote to memory of 1916	1592	rOrders.scr.exe	30
PID 1592 wrote to memory of 1916	1592	rOrders.scr.exe	30
PID 1592 wrote to memory of 1916	1592	rOrders.scr.exe	30
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32
PID 1592 wrote to memory of 2788	1592	rOrders.scr.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rOrders.scr.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rOrders.scr.exe

C:\Users\Admin\AppData\Local\Temp\rOrders.scr.exe
"C:\Users\Admin\AppData\Local\Temp\rOrders.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\rOrders.scr.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\00.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1916
- C:\Users\Admin\AppData\Local\Temp\rOrders.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\rOrders.scr.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:2788

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 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/1592-11-0x0000000000520000-0x0000000000528000-memory.dmp

Filesize
32KB

Download
memory/1592-1-0x0000000000C90000-0x0000000000D60000-memory.dmp

Filesize
832KB

Download
memory/1592-2-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/1592-3-0x0000000000970000-0x00000000009C6000-memory.dmp

Filesize
344KB

Download
memory/1592-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/1592-26-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/1592-25-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/1916-6-0x000000006FA71000-0x000000006FA72000-memory.dmp

Filesize
4KB

Download
memory/1916-7-0x000000006FA70000-0x000000007001B000-memory.dmp

Filesize
5.7MB

Download
memory/1916-9-0x000000006FA70000-0x000000007001B000-memory.dmp

Filesize
5.7MB

Download
memory/1916-8-0x000000006FA70000-0x000000007001B000-memory.dmp

Filesize
5.7MB

Download
memory/1916-10-0x000000006FA70000-0x000000007001B000-memory.dmp

Filesize
5.7MB

Download
memory/1916-24-0x000000006FA70000-0x000000007001B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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