snakekeylogger | 4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51

General

Target

Ygpiiqywyqu.exe
Size

404KB
MD5

0510813ffec6988f2259fb1ca510140f
SHA1

22e331320f6a81af1026c9fedf1d974454d9479b
SHA256

4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51
SHA512

9e9c4f25622a79efd3bae64b044456dae9ab25a811da4379f6c30a561e526a0216e5be4e3c80de7d37dec611d14c66d3a346ab03295446061d0397b629c101dd
SSDEEP

12288:v1cNNUaPs5nNmKRC/QYKpXTAQQ0M4R7VNcdYF+oCHzwap:tX7C/oDAQW4vNcdE+oCTD

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6451035249:AAF4aXcjE9hZyAlDoFqRoxDvaCcVNGM1SGQ/sendMessage?chat_id=6527793614

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1144-9-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1144-10-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1144-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1144-16-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1144-18-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

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:

Ygpiiqywyqu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ygpiiqywyqu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ygpiiqywyqu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ygpiiqywyqu.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Ygpiiqywyqu.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows\CurrentVersion\Run\Npvlav = "C:\\Users\\Admin\\AppData\\Roaming\\Npvlav.exe"	Ygpiiqywyqu.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:

Ygpiiqywyqu.exe

description pid process target process

PID 3060 set thread context of 1144 3060 Ygpiiqywyqu.exe Ygpiiqywyqu.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Ygpiiqywyqu.exe

pid process

1144 Ygpiiqywyqu.exe
1144 Ygpiiqywyqu.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ygpiiqywyqu.exeYgpiiqywyqu.exe

description pid process

Token: SeDebugPrivilege 3060 Ygpiiqywyqu.exe
Token: SeDebugPrivilege 1144 Ygpiiqywyqu.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 3060 set thread context of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe

pid	process
1144	Ygpiiqywyqu.exe
1144	Ygpiiqywyqu.exe

description	pid	process
Token: SeDebugPrivilege	3060	Ygpiiqywyqu.exe
Token: SeDebugPrivilege	1144	Ygpiiqywyqu.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Ygpiiqywyqu.exe

description	pid	process	target process
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe
PID 3060 wrote to memory of 1144	3060	Ygpiiqywyqu.exe	Ygpiiqywyqu.exe

outlook_office_path 1 IoCs

Processes:

Ygpiiqywyqu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ygpiiqywyqu.exe

outlook_win_path 1 IoCs

Processes:

Ygpiiqywyqu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ygpiiqywyqu.exe

C:\Users\Admin\AppData\Local\Temp\Ygpiiqywyqu.exe
"C:\Users\Admin\AppData\Local\Temp\Ygpiiqywyqu.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060

C:\Users\Admin\AppData\Local\Temp\Ygpiiqywyqu.exe
C:\Users\Admin\AppData\Local\Temp\Ygpiiqywyqu.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1144-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1144-22-0x0000000000360000-0x00000000003A0000-memory.dmp

Filesize
256KB

Download
memory/1144-21-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/1144-20-0x0000000000360000-0x00000000003A0000-memory.dmp

Filesize
256KB

Download
memory/1144-19-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/1144-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1144-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1144-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1144-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1144-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1144-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1144-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3060-4-0x0000000000530000-0x0000000000566000-memory.dmp

Filesize
216KB

Download
memory/3060-15-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/3060-5-0x00000000006E0000-0x000000000072C000-memory.dmp

Filesize
304KB

Download
memory/3060-0-0x0000000001140000-0x00000000011AC000-memory.dmp

Filesize
432KB

Download
memory/3060-3-0x00000000010B0000-0x00000000010F0000-memory.dmp

Filesize
256KB

Download
memory/3060-2-0x0000000000690000-0x00000000006D8000-memory.dmp

Filesize
288KB

Download
memory/3060-1-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads