snakekeylogger | 2930a136241ab0d4f5aa619efc5e5b5102bfc6c7ecff0cbec01c5e34de0c16e3

General

Target
INVOICE 93228.exe
Size 1.0MB
Sample220928-tmdb9ahegp
SHA256 2930a136241ab0d4f5aa619efc5e5b5102bfc6c7ecff0cbec01c5e34de0c16e3
MD5 f82666f62b94743afb6e97309f43617a
SHA1 7784f9c16730a1cc231a684d34326aa5a2c0b8da
SHA512 f8d2c1a9f6f51e8b50e38394c83636cb76eb546303e8daa977ddc74d0ddff206b931e394ece16d90a937abea0b0f3f7cb459bb3ad8fa3e955964b6658379a2ca
SSDEEP 12288:opPXpPXVOMc03bC1Ytcg0sBt3CIlEAGXKuw0DJy8hDAaBy/gxgdCJrAWhsgje:op/p9JC/wRwc0DJzBACy/gZrx
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
us2.smtp.mailhostbox.com
Port
587
Username
[email protected]
Password
qlRYaFn8
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/1652-139-0x0000000000400000-0x0000000000426000-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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE 93228.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE 93228.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE 93228.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
33	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4824 set thread context of 1652	4824	INVOICE 93228.exe	90

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1652	INVOICE 93228.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	INVOICE 93228.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 1652	4824	INVOICE 93228.exe	90
PID 4824 wrote to memory of 1652	4824	INVOICE 93228.exe	90
PID 4824 wrote to memory of 1652	4824	INVOICE 93228.exe	90
PID 4824 wrote to memory of 1652	4824	INVOICE 93228.exe	90
PID 4824 wrote to memory of 1652	4824	INVOICE 93228.exe	90
PID 4824 wrote to memory of 1652	4824	INVOICE 93228.exe	90
PID 4824 wrote to memory of 1652	4824	INVOICE 93228.exe	90
PID 4824 wrote to memory of 1652	4824	INVOICE 93228.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE 93228.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE 93228.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE 93228.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE 93228.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Users\Admin\AppData\Local\Temp\INVOICE 93228.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE 93228.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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INVOICE 93228.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INVOICE 93228.exe.log
Size 1KB
SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
MD5 e08f822522c617a40840c62e4b0fb45e
SHA1 ae516dca4da5234be6676d3f234c19ec55725be7
SHA512 894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4
MD5 SHA1 SHA512

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memory/1652-139-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1652-141-0x00000000062C0000-0x0000000006482000-memory.dmp

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memory/4824-132-0x0000000000F80000-0x0000000001088000-memory.dmp

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memory/4824-133-0x0000000006090000-0x0000000006634000-memory.dmp

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memory/4824-134-0x0000000005AE0000-0x0000000005B72000-memory.dmp

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memory/4824-135-0x0000000005A30000-0x0000000005A3A000-memory.dmp

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memory/4824-136-0x00000000098E0000-0x000000000997C000-memory.dmp

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memory/4824-137-0x0000000009980000-0x00000000099E6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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