snakekeylogger | 0f752671d59d2498fe4d7654c293f74cc77b4e964d86fc1a740e98bbefbe571a

General

Target

Remittance advice.exe
Size

776KB
MD5

fce52aa1a2bac6fb4dca105838d6b1b5
SHA1

e2f2abd893da800149e5fbafa8d74e05b51d94a4
SHA256

0f752671d59d2498fe4d7654c293f74cc77b4e964d86fc1a740e98bbefbe571a
SHA512

87f0e74f084a3916d9aa7cb0e547c72ae2771c8feb2088bf11ad01777fa58f9907c9df25322e9d3c8f77bea10095c719c56ea28e3571970d84ad9f76f18bae47

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
cp5ua.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$
Email To:
[email protected]

C2

https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/944-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/944-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/944-66-0x00000000004203CE-mapping.dmp	family_snakekeylogger
behavioral1/memory/944-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/944-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/944-70-0x0000000000400000-0x0000000000426000-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

Processes:

Remittance advice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance advice.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.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Remittance advice.exe

description pid process target process

PID 2020 set thread context of 944 2020 Remittance advice.exe Remittance advice.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Remittance advice.exe

pid process

944 Remittance advice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Remittance advice.exe

description pid process

Token: SeDebugPrivilege 944 Remittance advice.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2020 set thread context of 944	2020	Remittance advice.exe	Remittance advice.exe

pid	process
944	Remittance advice.exe

description	pid	process
Token: SeDebugPrivilege	944	Remittance advice.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Remittance advice.exe

description	pid	process	target process
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe
PID 2020 wrote to memory of 944	2020	Remittance advice.exe	Remittance advice.exe

outlook_office_path 1 IoCs

Processes:

Remittance advice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance advice.exe

outlook_win_path 1 IoCs

Processes:

Remittance advice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance advice.exe

C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020

C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:944

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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Downloads

memory/944-66-0x00000000004203CE-mapping.dmp

Download
memory/944-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/944-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/944-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/944-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/944-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/944-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/944-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2020-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/2020-56-0x0000000000680000-0x000000000068A000-memory.dmp

Filesize
40KB

Download
memory/2020-57-0x0000000004C50000-0x0000000004CC4000-memory.dmp

Filesize
464KB

Download
memory/2020-58-0x0000000002010000-0x0000000002036000-memory.dmp

Filesize
152KB

Download
memory/2020-54-0x0000000000910000-0x00000000009D8000-memory.dmp

Filesize
800KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads