snakekeylogger | e2d1f7e5fe7da6323d2b8105d8aabfbcaf21603059a05c263e14cc079b371718

General

Target

RFQ pdf.exe
Size

782KB
MD5

2186990b3fc8fb51de0d235276613505
SHA1

5e8223137622466c1eca35271586dd6824fb5b1c
SHA256

e2d1f7e5fe7da6323d2b8105d8aabfbcaf21603059a05c263e14cc079b371718
SHA512

286be9e8f8d181db4a032f97a8973a482fbbe6a57248a7d9bea616b22c9610a47ab5c084ca38da387a354419da81edca909fcab8e1ab0a99a4654ba148ba7146
SSDEEP

12288:Uw1SnEwn5B2aUNLTo9XUxIcZg47GV8Z9U:6nEwnr2JLT4X+yyGmZ

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5149109129:AAGFSJSlChXwgqfifOahBX2gfNaVHTpF5Mk/sendMessage?chat_id=2014219704

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/1700-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1700-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1700-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1700-67-0x00000000004201AE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1700-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1700-71-0x0000000000400000-0x0000000000426000-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:

RFQ pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ pdf.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:

RFQ pdf.exe

description pid process target process

PID 1444 set thread context of 1700 1444 RFQ pdf.exe RFQ pdf.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RFQ pdf.exe

pid process

1700 RFQ pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RFQ pdf.exe

description pid process

Token: SeDebugPrivilege 1700 RFQ pdf.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1444 set thread context of 1700	1444	RFQ pdf.exe	RFQ pdf.exe

pid	process
1700	RFQ pdf.exe

description	pid	process
Token: SeDebugPrivilege	1700	RFQ pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

RFQ pdf.exe

description	pid	process	target process
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe
PID 1444 wrote to memory of 1700	1444	RFQ pdf.exe	RFQ pdf.exe

outlook_office_path 1 IoCs

Processes:

RFQ pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ pdf.exe

outlook_win_path 1 IoCs

Processes:

RFQ pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ pdf.exe

C:\Users\Admin\AppData\Local\Temp\RFQ pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1444

C:\Users\Admin\AppData\Local\Temp\RFQ pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1700

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1444-54-0x00000000009D0000-0x0000000000A9A000-memory.dmp

Filesize
808KB

Download
memory/1444-55-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1444-56-0x0000000000300000-0x0000000000314000-memory.dmp

Filesize
80KB

Download
memory/1444-57-0x0000000000460000-0x000000000046C000-memory.dmp

Filesize
48KB

Download
memory/1444-58-0x0000000007E50000-0x0000000007ED0000-memory.dmp

Filesize
512KB

Download
memory/1444-59-0x00000000042B0000-0x00000000042D6000-memory.dmp

Filesize
152KB

Download
memory/1700-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1700-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1700-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1700-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1700-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1700-67-0x00000000004201AE-mapping.dmp

Download
memory/1700-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1700-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads