snakekeylogger | 430dbb439bf85fd2a8846a43c0b0615305ef25ac8b9496d272c2dbefd3158ed2

Analysis

max time kernel
133s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2023, 12:19

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General

Target
Y478909876.exe
Size 281KB
Sample230119-pg6pdscg9s
SHA256 430dbb439bf85fd2a8846a43c0b0615305ef25ac8b9496d272c2dbefd3158ed2
MD5 e11d40ee20e55714ecad6fd34280308d
SHA1 ca6a418af83f99d2503ff7b91f9d6a30ef9f436b
SHA512 b4feefb03f79b0a8fd154a223b3f785e943d5f5c7b31ce0ef7dc9d66f116c792002c1ba3eccf9d4046f8715e60e265a614c4d979a80c4e40939173cee8555548
SSDEEP 6144:1uFDutOc6duxKLolYEUIGAXHAiTRKJBEK10nGEcUrMzeoCDxEIE:QFDutOc6duxKLoGpIGMHlRkEK10nG71Q
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.sienkakupeste.com
Port
587
Username
[email protected]
Password
010203sienka++
Email to
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/888-136-0x0000000000400000-0x0000000000424000-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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Y478909876.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Y478909876.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Y478909876.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
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4984 set thread context of 888	4984	Y478909876.exe	80

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
888	Y478909876.exe
888	Y478909876.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	888	Y478909876.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 888	4984	Y478909876.exe	80
PID 4984 wrote to memory of 888	4984	Y478909876.exe	80
PID 4984 wrote to memory of 888	4984	Y478909876.exe	80
PID 4984 wrote to memory of 888	4984	Y478909876.exe	80
PID 4984 wrote to memory of 888	4984	Y478909876.exe	80
PID 4984 wrote to memory of 888	4984	Y478909876.exe	80
PID 4984 wrote to memory of 888	4984	Y478909876.exe	80
PID 4984 wrote to memory of 888	4984	Y478909876.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Y478909876.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Y478909876.exe

C:\Users\Admin\AppData\Local\Temp\Y478909876.exe
"C:\Users\Admin\AppData\Local\Temp\Y478909876.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Users\Admin\AppData\Local\Temp\Y478909876.exe
  "C:\Users\Admin\AppData\Local\Temp\Y478909876.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:888

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

Y478909876.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Y478909876.exe.log
Size 617B
SHA256 33c7dd4c852dae6462c701337f8e0a8647602847ccaee656fa6f1149cccfb5d5
MD5 99e770c0d4043aa84ef3d3cbc7723c25
SHA1 19829c5c413fccba750a3357f938dfa94486acad
SHA512 ba521e2f57d7e1db19445201948caa7af6d953e1c1340228934888f8ec05b8984ad492122d0bf0550b5e679614d8a713ecf68f91916ffa6e5d8f75bf003aae39
MD5 SHA1 SHA512

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memory/888-136-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/888-138-0x00000000065D0000-0x0000000006792000-memory.dmp

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memory/888-139-0x00000000067A0000-0x0000000006832000-memory.dmp

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memory/888-140-0x0000000006560000-0x000000000656A000-memory.dmp

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memory/4984-132-0x00000000009A0000-0x00000000009EC000-memory.dmp

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memory/4984-133-0x00000000054E0000-0x000000000557C000-memory.dmp

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memory/4984-134-0x0000000005B30000-0x00000000060D4000-memory.dmp

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