snakekeylogger | 0ff965e6f45e08c7ec843a01d22a6393b5a0be7b30029b7fc70a23d1e1aae6ed

General

Target

New product.scr
Size

437KB
MD5

3e872d74cb692deb202d25859986357d
SHA1

9ba324ec9ff4f454409f653da5d4d7b694255d6b
SHA256

701d2231e9b9297450abddc537bfdb90fbb45f679b6da2e1e45b615280bd95c6
SHA512

90b800106b029cd671216a0566a573975a6ed3bcfd45c255f47b4e8f9766674f01e3548b5f0abce53258ec89885f8bcd04bc9c85a97596152cadcc2b361e86dd
SSDEEP

12288:AD7gUiVaOazGypq9Q/NGbEPAj6JYrOiqot2:daOazTNYE4j6c

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6243209595:AAGECSmdSqJiVZcdFoBvotoaKcKT9Lz5Gvw/sendMessage?chat_id=1070926352

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral4/memory/4104-8-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral4/memory/4104-12-0x0000000004BC0000-0x0000000004BD0000-memory.dmp	family_snakekeylogger

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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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.

Processes:

flow ioc

10 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

New product.scr

description pid process target process

PID 4412 set thread context of 4104 4412 New product.scr RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

4104 RegAsm.exe
4104 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4104 RegAsm.exe

flow	ioc
10	checkip.dyndns.org

description	pid	process	target process
PID 4412 set thread context of 4104	4412	New product.scr	RegAsm.exe

pid	process
4104	RegAsm.exe
4104	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4104	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

New product.scr

description	pid	process	target process
PID 4412 wrote to memory of 4104	4412	New product.scr	RegAsm.exe
PID 4412 wrote to memory of 4104	4412	New product.scr	RegAsm.exe
PID 4412 wrote to memory of 4104	4412	New product.scr	RegAsm.exe
PID 4412 wrote to memory of 4104	4412	New product.scr	RegAsm.exe
PID 4412 wrote to memory of 4104	4412	New product.scr	RegAsm.exe
PID 4412 wrote to memory of 4104	4412	New product.scr	RegAsm.exe
PID 4412 wrote to memory of 4104	4412	New product.scr	RegAsm.exe
PID 4412 wrote to memory of 4104	4412	New product.scr	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\New product.scr
"C:\Users\Admin\AppData\Local\Temp\New product.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4412

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4104-13-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/4104-12-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/4104-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4104-17-0x0000000005B30000-0x0000000005B3A000-memory.dmp

Filesize
40KB

Download
memory/4104-16-0x0000000005C90000-0x0000000005E52000-memory.dmp

Filesize
1.8MB

Download
memory/4104-15-0x0000000005A70000-0x0000000005AC0000-memory.dmp

Filesize
320KB

Download
memory/4104-14-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/4104-11-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/4412-5-0x0000000006250000-0x00000000062A4000-memory.dmp

Filesize
336KB

Download
memory/4412-4-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/4412-7-0x00000000062E0000-0x00000000062EA000-memory.dmp

Filesize
40KB

Download
memory/4412-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/4412-0-0x0000000000720000-0x0000000000792000-memory.dmp

Filesize
456KB

Download
memory/4412-6-0x0000000006380000-0x000000000641C000-memory.dmp

Filesize
624KB

Download
memory/4412-1-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/4412-10-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/4412-3-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads