snakekeylogger | 9f748ffe55ad536a8a5dba9fece063455c9b3c0ea8f75afdf3b97c30741d3879

Analysis

max time kernel
90s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25/10/2022, 09:14

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General

Target
PO 897633ERUDRYU.exe
Size 485KB
Sample221025-k7bvgscbbj
SHA256 9f748ffe55ad536a8a5dba9fece063455c9b3c0ea8f75afdf3b97c30741d3879
MD5 5aab50ef5f9a2c033432db95717d485b
SHA1 2067082236e223b5d35ac31c89bd4349743945d0
SHA512 ec9567bc12142a29b3e3a5b9a8e5baa48af9b6a956039c685254ad5d0de5dfb0cf31b54e65ea33107dbe92fbda49fa946a950bbe0564320aa22df1ecd8ace3fa
SSDEEP 12288:crq2mnRPdwzzmLV+HHsGjb+Ut7YhDcPLJ:cO2mlcnsGjb7kW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5793325124:AAGHzRsq2tvLBf23l8pkEofcJjw4AQXsgAQ/sendMessage?chat_id=2086616067

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1132-138-0x0000000000400000-0x0000000000426000-memory.dmp	family_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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 897633ERUDRYU.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 897633ERUDRYU.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 897633ERUDRYU.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
37	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1016 set thread context of 1132	1016	PO 897633ERUDRYU.exe	92

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1016	PO 897633ERUDRYU.exe
1016	PO 897633ERUDRYU.exe
1132	PO 897633ERUDRYU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1016	PO 897633ERUDRYU.exe
Token: SeDebugPrivilege	1132	PO 897633ERUDRYU.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 3752	1016	PO 897633ERUDRYU.exe	91
PID 1016 wrote to memory of 3752	1016	PO 897633ERUDRYU.exe	91
PID 1016 wrote to memory of 3752	1016	PO 897633ERUDRYU.exe	91
PID 1016 wrote to memory of 1132	1016	PO 897633ERUDRYU.exe	92
PID 1016 wrote to memory of 1132	1016	PO 897633ERUDRYU.exe	92
PID 1016 wrote to memory of 1132	1016	PO 897633ERUDRYU.exe	92
PID 1016 wrote to memory of 1132	1016	PO 897633ERUDRYU.exe	92
PID 1016 wrote to memory of 1132	1016	PO 897633ERUDRYU.exe	92
PID 1016 wrote to memory of 1132	1016	PO 897633ERUDRYU.exe	92
PID 1016 wrote to memory of 1132	1016	PO 897633ERUDRYU.exe	92
PID 1016 wrote to memory of 1132	1016	PO 897633ERUDRYU.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 897633ERUDRYU.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 897633ERUDRYU.exe

C:\Users\Admin\AppData\Local\Temp\PO 897633ERUDRYU.exe
"C:\Users\Admin\AppData\Local\Temp\PO 897633ERUDRYU.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\AppData\Local\Temp\PO 897633ERUDRYU.exe
  "C:\Users\Admin\AppData\Local\Temp\PO 897633ERUDRYU.exe"
  2⤵
  PID:3752
- C:\Users\Admin\AppData\Local\Temp\PO 897633ERUDRYU.exe
  "C:\Users\Admin\AppData\Local\Temp\PO 897633ERUDRYU.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1132

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1016-133-0x00000000009E0000-0x0000000000A5E000-memory.dmp

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memory/1016-134-0x00000000054B0000-0x0000000005542000-memory.dmp

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memory/1016-135-0x0000000005E70000-0x0000000005F0C000-memory.dmp

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memory/1132-138-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1132-139-0x0000000005450000-0x00000000059F4000-memory.dmp

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memory/1132-140-0x0000000006250000-0x0000000006412000-memory.dmp

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memory/1132-141-0x00000000061D0000-0x00000000061DA000-memory.dmp

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