snakekeylogger | 5fc11bb7c0ee99293a35fa1fb80d215c149ae7270a9b9ff898d340025c6863f7

General

Target

SANTSSWK20100001.exe
Size

368KB
MD5

b3456b89c03dfaae07c0e20f5e683ed5
SHA1

b73f6a93836d7853b9293d7d63694043deb65142
SHA256

5fc11bb7c0ee99293a35fa1fb80d215c149ae7270a9b9ff898d340025c6863f7
SHA512

db7fbc68c6efce3e5387c8ffe9d1970421694921d91eb61a54e1869372d928a28db858ac3df89f7422c4c6248495db3b3bc6f24ce461dc0cec3e9e95d2fc5d6e

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
krsmakina.com
Port:
587
Username:
sefa.karasu@krsmakina.com
Password:
9Kk~b[2G^F?e

Signatures

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

Processes:

SANTSSWK20100001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SANTSSWK20100001.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SANTSSWK20100001.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SANTSSWK20100001.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.

Processes:

flow ioc

4 checkip.dyndns.org
8 freegeoip.app
9 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

SANTSSWK20100001.exe

description pid process target process

PID 1084 set thread context of 2008 1084 SANTSSWK20100001.exe SANTSSWK20100001.exe
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

Processes:

schtasks.exe

pid process

1904 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SANTSSWK20100001.exepowershell.exe

pid process

2008 SANTSSWK20100001.exe
1856 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SANTSSWK20100001.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2008 SANTSSWK20100001.exe
Token: SeDebugPrivilege 1856 powershell.exe

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

description	pid	process	target process
PID 1084 set thread context of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe

pid	process
1904	schtasks.exe

pid	process
2008	SANTSSWK20100001.exe
1856	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2008	SANTSSWK20100001.exe
Token: SeDebugPrivilege	1856	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

SANTSSWK20100001.exe

description	pid	process	target process
PID 1084 wrote to memory of 1856	1084	SANTSSWK20100001.exe	powershell.exe
PID 1084 wrote to memory of 1856	1084	SANTSSWK20100001.exe	powershell.exe
PID 1084 wrote to memory of 1856	1084	SANTSSWK20100001.exe	powershell.exe
PID 1084 wrote to memory of 1856	1084	SANTSSWK20100001.exe	powershell.exe
PID 1084 wrote to memory of 1904	1084	SANTSSWK20100001.exe	schtasks.exe
PID 1084 wrote to memory of 1904	1084	SANTSSWK20100001.exe	schtasks.exe
PID 1084 wrote to memory of 1904	1084	SANTSSWK20100001.exe	schtasks.exe
PID 1084 wrote to memory of 1904	1084	SANTSSWK20100001.exe	schtasks.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe
PID 1084 wrote to memory of 2008	1084	SANTSSWK20100001.exe	SANTSSWK20100001.exe

outlook_office_path 1 IoCs

Processes:

SANTSSWK20100001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SANTSSWK20100001.exe

outlook_win_path 1 IoCs

Processes:

SANTSSWK20100001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SANTSSWK20100001.exe

C:\Users\Admin\AppData\Local\Temp\SANTSSWK20100001.exe
"C:\Users\Admin\AppData\Local\Temp\SANTSSWK20100001.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VsOjAOgplVtrDl.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VsOjAOgplVtrDl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB9AE.tmp"
2⤵
- Creates scheduled task(s)
PID:1904

C:\Users\Admin\AppData\Local\Temp\SANTSSWK20100001.exe
"C:\Users\Admin\AppData\Local\Temp\SANTSSWK20100001.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2008

Network

MITRE ATT&CK Matrix ATT&CK 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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB9AE.tmp
MD5
b0d840069bb87a3b1a2611d69fb2bee5

SHA1
d8e9411ff5110b8844eed336c719f99eda3086c0

SHA256
14907c3a627796e3c378fd6891d319fdd18e497ab917b5754612896dcabe4f41

SHA512
81fa669359157498e425f38ce37cf66311eefbcbcd85bab501f3f0abd2c468f06b573792ccf29f3153d86498875cc47f8d46e0c07cf8e97ab56ae7c2cc04748b

Download Submit
memory/1084-57-0x0000000004C40000-0x0000000004C41000-memory.dmp

Filesize
4KB

Download
memory/1084-58-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/1084-59-0x00000000042A0000-0x00000000042ED000-memory.dmp

Filesize
308KB

Download
memory/1084-55-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/1856-73-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/1856-60-0x0000000000000000-mapping.dmp

Download
memory/1856-62-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download
memory/1856-75-0x0000000002102000-0x0000000002104000-memory.dmp

Filesize
8KB

Download
memory/1856-74-0x0000000002101000-0x0000000002102000-memory.dmp

Filesize
4KB

Download
memory/1904-61-0x0000000000000000-mapping.dmp

Download
memory/2008-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-69-0x000000000042045E-mapping.dmp

Download
memory/2008-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-72-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/2008-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads