snakekeylogger | 4eaefd6f0e650e017e1c63205fd41f9f557568b15bf75afe80cfdf923fe114e5

General

Target

Invoice.exe
Size

1.2MB
MD5

1bcce4d52753f12d8f23e6637f094f1e
SHA1

a1a91a13707b4c25fd30ee5281cb9e4515903e01
SHA256

4eaefd6f0e650e017e1c63205fd41f9f557568b15bf75afe80cfdf923fe114e5
SHA512

9ba3ae65e4cc6ed3a9755a06671cb2e51ce0f2e078b4fcf7b87b7e13e4f44027199ca1a0512ed27ff20d3b75b4abe65f6fd8756bb68a38110baf3f0de35f68ad

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.iykmoreentrprise.org
Port:
587
Username:
zalatexinteriors@iykmoreentrprise.org
Password:
Z&6s7s.YLZZi

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1820-125-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral2/memory/1820-126-0x000000000046458E-mapping.dmp	family_snakekeylogger
behavioral2/memory/1820-132-0x00000000057A0000-0x0000000005C9E000-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
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

17 freegeoip.app
18 freegeoip.app
14 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 664 set thread context of 1820 664 Invoice.exe Invoice.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Invoice.exe

pid process

1820 Invoice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Invoice.exe

description pid process

Token: SeDebugPrivilege 1820 Invoice.exe

flow	ioc
17	freegeoip.app
18	freegeoip.app
14	checkip.dyndns.org

description	pid	process	target process
PID 664 set thread context of 1820	664	Invoice.exe	Invoice.exe

pid	process
1820	Invoice.exe

description	pid	process
Token: SeDebugPrivilege	1820	Invoice.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 664 wrote to memory of 1820	664	Invoice.exe	Invoice.exe
PID 664 wrote to memory of 1820	664	Invoice.exe	Invoice.exe
PID 664 wrote to memory of 1820	664	Invoice.exe	Invoice.exe
PID 664 wrote to memory of 1820	664	Invoice.exe	Invoice.exe
PID 664 wrote to memory of 1820	664	Invoice.exe	Invoice.exe
PID 664 wrote to memory of 1820	664	Invoice.exe	Invoice.exe
PID 664 wrote to memory of 1820	664	Invoice.exe	Invoice.exe
PID 664 wrote to memory of 1820	664	Invoice.exe	Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:664

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1820

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/664-121-0x00000000053A0000-0x00000000053A1000-memory.dmp

Filesize
4KB

Download
memory/664-123-0x0000000006110000-0x000000000619B000-memory.dmp

Filesize
556KB

Download
memory/664-118-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/664-119-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/664-120-0x0000000005300000-0x00000000057FE000-memory.dmp

Filesize
5.0MB

Download
memory/664-114-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/664-122-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/664-117-0x0000000005800000-0x0000000005801000-memory.dmp

Filesize
4KB

Download
memory/664-124-0x0000000008650000-0x00000000086E6000-memory.dmp

Filesize
600KB

Download
memory/664-116-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/1820-126-0x000000000046458E-mapping.dmp

Download
memory/1820-125-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1820-132-0x00000000057A0000-0x0000000005C9E000-memory.dmp

Filesize
5.0MB

Download
memory/1820-133-0x0000000006AC0000-0x0000000006AC1000-memory.dmp

Filesize
4KB

Download

Analysis

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