snakekeylogger | dcc5c6710896d51cc8f5aafbdbe0416e6dcd35fabfb5d3d33610d62ae1fc6545

General

Target

37c89d3724f91814329d61e35ff28890.exe
Size

646KB
MD5

37c89d3724f91814329d61e35ff28890
SHA1

7413a14f623d9cb5107b35a01d51fe3d3917efc5
SHA256

dcc5c6710896d51cc8f5aafbdbe0416e6dcd35fabfb5d3d33610d62ae1fc6545
SHA512

8bf506853c91f8ed2c78cfa3af12ec6386f1040fb3e256857f9c16d33a20f7acd340da17ba095a3d459f5ec1c65d65e9642aea41639118f930d5216b0135d247
SSDEEP

12288:xr3PU9XPU9quaSI+BRjGOsBgo0q4wM0JQIdeOrysQOMcvTTanf+yIjVjg:xrzjGOsBgo0q4wM0JQYrypOp62ySVj

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.ekonaz.com
Port:
587
Username:
[email protected]
Password:
251925

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/1340-7-0x0000000004780000-0x0000000004792000-memory.dmp	CustAttr

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
T1552.001
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:

37c89d3724f91814329d61e35ff28890.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37c89d3724f91814329d61e35ff28890.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37c89d3724f91814329d61e35ff28890.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37c89d3724f91814329d61e35ff28890.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

89 freegeoip.app
93 freegeoip.app
87 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

37c89d3724f91814329d61e35ff28890.exe

description pid process target process

PID 1340 set thread context of 540 1340 37c89d3724f91814329d61e35ff28890.exe 37c89d3724f91814329d61e35ff28890.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1752 540 WerFault.exe 37c89d3724f91814329d61e35ff28890.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

37c89d3724f91814329d61e35ff28890.exe

pid process

540 37c89d3724f91814329d61e35ff28890.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

37c89d3724f91814329d61e35ff28890.exe

description pid process

Token: SeDebugPrivilege 540 37c89d3724f91814329d61e35ff28890.exe

flow	ioc
89	freegeoip.app
93	freegeoip.app
87	checkip.dyndns.org

description	pid	process	target process
PID 1340 set thread context of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe

pid	pid_target	process	target process
1752	540	WerFault.exe	37c89d3724f91814329d61e35ff28890.exe

pid	process
540	37c89d3724f91814329d61e35ff28890.exe

description	pid	process
Token: SeDebugPrivilege	540	37c89d3724f91814329d61e35ff28890.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

37c89d3724f91814329d61e35ff28890.exe

description	pid	process	target process
PID 1340 wrote to memory of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe
PID 1340 wrote to memory of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe
PID 1340 wrote to memory of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe
PID 1340 wrote to memory of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe
PID 1340 wrote to memory of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe
PID 1340 wrote to memory of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe
PID 1340 wrote to memory of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe
PID 1340 wrote to memory of 540	1340	37c89d3724f91814329d61e35ff28890.exe	37c89d3724f91814329d61e35ff28890.exe

outlook_office_path 1 IoCs

Processes:

37c89d3724f91814329d61e35ff28890.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37c89d3724f91814329d61e35ff28890.exe

outlook_win_path 1 IoCs

Processes:

37c89d3724f91814329d61e35ff28890.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37c89d3724f91814329d61e35ff28890.exe

C:\Users\Admin\AppData\Local\Temp\37c89d3724f91814329d61e35ff28890.exe
"C:\Users\Admin\AppData\Local\Temp\37c89d3724f91814329d61e35ff28890.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1340

C:\Users\Admin\AppData\Local\Temp\37c89d3724f91814329d61e35ff28890.exe
"C:\Users\Admin\AppData\Local\Temp\37c89d3724f91814329d61e35ff28890.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 1824
3⤵
- Program crash
PID:1752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 540 -ip 540
1⤵
PID:1296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/540-12-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/540-19-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/540-18-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/540-17-0x0000000006AA0000-0x0000000006C62000-memory.dmp

Filesize
1.8MB

Download
memory/540-15-0x0000000005580000-0x0000000005590000-memory.dmp

Filesize
64KB

Download
memory/540-13-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1340-4-0x0000000004F10000-0x0000000004FAC000-memory.dmp

Filesize
624KB

Download
memory/1340-7-0x0000000004780000-0x0000000004792000-memory.dmp

Filesize
72KB

Download
memory/1340-8-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1340-9-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download
memory/1340-10-0x0000000007D90000-0x0000000007E02000-memory.dmp

Filesize
456KB

Download
memory/1340-11-0x0000000007E40000-0x0000000007EAE000-memory.dmp

Filesize
440KB

Download
memory/1340-6-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/1340-5-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download
memory/1340-16-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1340-1-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1340-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/1340-2-0x0000000005380000-0x0000000005924000-memory.dmp

Filesize
5.6MB

Download
memory/1340-0-0x0000000000320000-0x00000000003C8000-memory.dmp

Filesize
672KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads