snakekeylogger | c3563e777c01c0ea26f7a8f26e598dacd68d096966011da76a5311f09ba21614

General

Target

Tax Invoice.exe
Size

875KB
MD5

cb892d4aa19c97ee133b9c33816cd8b2
SHA1

1cd234a215385def2fc046e0809489cab4f5070d
SHA256

c3563e777c01c0ea26f7a8f26e598dacd68d096966011da76a5311f09ba21614
SHA512

df7dcfffda6c3c2a077b6fb2bc800d79cc86f80e6d6ccee91aed8297b4f7e91258b885bf4989fc0c297a367159ea8dcdee9e6f23531755202a2ee4f3ed0f9d7a

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/1116-125-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral2/memory/1116-126-0x000000000046458E-mapping.dmp	family_snakekeylogger
behavioral2/memory/1116-132-0x0000000004F10000-0x000000000540E000-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

15 checkip.dyndns.org
18 freegeoip.app
19 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

Tax Invoice.exe

description pid process target process

PID 3156 set thread context of 1116 3156 Tax Invoice.exe Tax Invoice.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Tax Invoice.exe

pid process

1116 Tax Invoice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Tax Invoice.exe

description pid process

Token: SeDebugPrivilege 1116 Tax Invoice.exe

flow	ioc
15	checkip.dyndns.org
18	freegeoip.app
19	freegeoip.app

description	pid	process	target process
PID 3156 set thread context of 1116	3156	Tax Invoice.exe	Tax Invoice.exe

pid	process
1116	Tax Invoice.exe

description	pid	process
Token: SeDebugPrivilege	1116	Tax Invoice.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Tax Invoice.exe

description	pid	process	target process
PID 3156 wrote to memory of 1116	3156	Tax Invoice.exe	Tax Invoice.exe
PID 3156 wrote to memory of 1116	3156	Tax Invoice.exe	Tax Invoice.exe
PID 3156 wrote to memory of 1116	3156	Tax Invoice.exe	Tax Invoice.exe
PID 3156 wrote to memory of 1116	3156	Tax Invoice.exe	Tax Invoice.exe
PID 3156 wrote to memory of 1116	3156	Tax Invoice.exe	Tax Invoice.exe
PID 3156 wrote to memory of 1116	3156	Tax Invoice.exe	Tax Invoice.exe
PID 3156 wrote to memory of 1116	3156	Tax Invoice.exe	Tax Invoice.exe
PID 3156 wrote to memory of 1116	3156	Tax Invoice.exe	Tax Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Tax Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Tax Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3156

C:\Users\Admin\AppData\Local\Temp\Tax Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Tax Invoice.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1116

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\Tax Invoice.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/1116-125-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1116-133-0x00000000061B0000-0x00000000061B1000-memory.dmp

Filesize
4KB

Download
memory/1116-132-0x0000000004F10000-0x000000000540E000-memory.dmp

Filesize
5.0MB

Download
memory/1116-126-0x000000000046458E-mapping.dmp

Download
memory/3156-121-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download
memory/3156-114-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/3156-122-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/3156-123-0x0000000007190000-0x00000000071F7000-memory.dmp

Filesize
412KB

Download
memory/3156-124-0x0000000009820000-0x0000000009893000-memory.dmp

Filesize
460KB

Download
memory/3156-120-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/3156-119-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/3156-118-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/3156-117-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/3156-116-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download

Analysis

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