snakekeylogger | 14cedec0ff58499a2c848be21db81b7994db93a87471335cb75fdb2d76bddbb3

General

Target
b37c4153e2e87c14421406305ae91f0e.exe
Size 814KB
Sample221018-nmp36affb6
SHA256 14cedec0ff58499a2c848be21db81b7994db93a87471335cb75fdb2d76bddbb3
MD5 b37c4153e2e87c14421406305ae91f0e
SHA1 a8705d32adc1fd8c44cdf07dfac9a37028963ad5
SHA512 95415b6224b90952d4baf49a46fb57ddc90abea0fcb1b9a548711ad463649a06248d696d9b401240d93f393bf762310c8042c00353b65ba744a4ac1f6724d512
SSDEEP 12288:kbS89TVCohlR01bObUFtEM30fmbgdf33x0mdLXWphs/JXC:kTTR01kUafmqxLypK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.suntradehouse.com
Port
587
Username
[email protected]
Password
$wlq,oYne7YZ
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/1996-140-0x0000000000400000-0x0000000000426000-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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b37c4153e2e87c14421406305ae91f0e.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b37c4153e2e87c14421406305ae91f0e.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b37c4153e2e87c14421406305ae91f0e.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
36	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3268 set thread context of 1996	3268	b37c4153e2e87c14421406305ae91f0e.exe	92

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3268	b37c4153e2e87c14421406305ae91f0e.exe
3268	b37c4153e2e87c14421406305ae91f0e.exe
1996	b37c4153e2e87c14421406305ae91f0e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3268	b37c4153e2e87c14421406305ae91f0e.exe
Token: SeDebugPrivilege	1996	b37c4153e2e87c14421406305ae91f0e.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 928	3268	b37c4153e2e87c14421406305ae91f0e.exe	91
PID 3268 wrote to memory of 928	3268	b37c4153e2e87c14421406305ae91f0e.exe	91
PID 3268 wrote to memory of 928	3268	b37c4153e2e87c14421406305ae91f0e.exe	91
PID 3268 wrote to memory of 1996	3268	b37c4153e2e87c14421406305ae91f0e.exe	92
PID 3268 wrote to memory of 1996	3268	b37c4153e2e87c14421406305ae91f0e.exe	92
PID 3268 wrote to memory of 1996	3268	b37c4153e2e87c14421406305ae91f0e.exe	92
PID 3268 wrote to memory of 1996	3268	b37c4153e2e87c14421406305ae91f0e.exe	92
PID 3268 wrote to memory of 1996	3268	b37c4153e2e87c14421406305ae91f0e.exe	92
PID 3268 wrote to memory of 1996	3268	b37c4153e2e87c14421406305ae91f0e.exe	92
PID 3268 wrote to memory of 1996	3268	b37c4153e2e87c14421406305ae91f0e.exe	92
PID 3268 wrote to memory of 1996	3268	b37c4153e2e87c14421406305ae91f0e.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	b37c4153e2e87c14421406305ae91f0e.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	b37c4153e2e87c14421406305ae91f0e.exe

C:\Users\Admin\AppData\Local\Temp\b37c4153e2e87c14421406305ae91f0e.exe
"C:\Users\Admin\AppData\Local\Temp\b37c4153e2e87c14421406305ae91f0e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Users\Admin\AppData\Local\Temp\b37c4153e2e87c14421406305ae91f0e.exe
  "C:\Users\Admin\AppData\Local\Temp\b37c4153e2e87c14421406305ae91f0e.exe"
  2⤵
  PID:928
- C:\Users\Admin\AppData\Local\Temp\b37c4153e2e87c14421406305ae91f0e.exe
  "C:\Users\Admin\AppData\Local\Temp\b37c4153e2e87c14421406305ae91f0e.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1996

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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b37c4153e2e87c14421406305ae91f0e.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b37c4153e2e87c14421406305ae91f0e.exe.log
Size 1KB
SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
MD5 e08f822522c617a40840c62e4b0fb45e
SHA1 ae516dca4da5234be6676d3f234c19ec55725be7
SHA512 894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4
MD5 SHA1 SHA512

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memory/1996-140-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1996-142-0x0000000006240000-0x0000000006402000-memory.dmp

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memory/3268-132-0x0000000000AC0000-0x0000000000B92000-memory.dmp

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memory/3268-133-0x0000000005B20000-0x00000000060C4000-memory.dmp

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memory/3268-134-0x0000000005570000-0x0000000005602000-memory.dmp

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memory/3268-135-0x0000000005540000-0x000000000554A000-memory.dmp

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memory/3268-136-0x0000000007830000-0x00000000078CC000-memory.dmp

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memory/3268-137-0x00000000098C0000-0x0000000009926000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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