snakekeylogger | 7c1edf4b0c59f5ea102acc6b8f4fa5e7cfe746fb0fb57dae879d1568ac135238

General

Target

Webxinfy.exe
Size

424KB
MD5

aef95313f585ac4fcf3fd9b6c489b286
SHA1

d0d887a33c18e6b70f4e37fbc0e1a384b33b476c
SHA256

b3dba4262136858ea1c87d1aca82830267af72efb7f509faa21dddcec066bc89
SHA512

97586a81524469fdb2d49778006a7b6d42b14a871e9b346572551374692fe55ce16337240aacbacb90ea3dca0dd993e96a4303be5f037cb72df00d97f2b93704
SSDEEP

6144:gVBZhKsN6+zRDQSsFv9CK5uj2rUHBwK67AfsOgy2tCeYYHrMEzvwe/vy3VXB1:gFhTOllCKsj2njAfsOgtzvZWV7

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6495173086:AAHM8NMu-uOSJHZaHij-umtWDUwi5-hOLog/sendMessage?chat_id=5262627523

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3392-10-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger
behavioral2/memory/3392-16-0x00000144F1590000-0x00000144F15A0000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Webxinfy.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sssssssss = "C:\\Users\\Admin\\AppData\\Roaming\\sssssssss.exe"	Webxinfy.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

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

Processes:

Webxinfy.exe

description pid process target process

PID 3472 set thread context of 3392 3472 Webxinfy.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

3392 MSBuild.exe
3392 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Webxinfy.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 3472 Webxinfy.exe
Token: SeDebugPrivilege 3392 MSBuild.exe

flow	ioc
55	checkip.dyndns.org

description	pid	process	target process
PID 3472 set thread context of 3392	3472	Webxinfy.exe	MSBuild.exe

pid	process
3392	MSBuild.exe
3392	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3472	Webxinfy.exe
Token: SeDebugPrivilege	3392	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Webxinfy.exe

description	pid	process	target process
PID 3472 wrote to memory of 3392	3472	Webxinfy.exe	MSBuild.exe
PID 3472 wrote to memory of 3392	3472	Webxinfy.exe	MSBuild.exe
PID 3472 wrote to memory of 3392	3472	Webxinfy.exe	MSBuild.exe
PID 3472 wrote to memory of 3392	3472	Webxinfy.exe	MSBuild.exe
PID 3472 wrote to memory of 3392	3472	Webxinfy.exe	MSBuild.exe
PID 3472 wrote to memory of 3392	3472	Webxinfy.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Webxinfy.exe
"C:\Users\Admin\AppData\Local\Temp\Webxinfy.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3392

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

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3392-10-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/3392-18-0x00000144F2230000-0x00000144F23F2000-memory.dmp

Filesize
1.8MB

Download
memory/3392-17-0x00000144F2010000-0x00000144F2060000-memory.dmp

Filesize
320KB

Download
memory/3392-16-0x00000144F1590000-0x00000144F15A0000-memory.dmp

Filesize
64KB

Download
memory/3392-15-0x00007FF94D130000-0x00007FF94DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/3392-14-0x00000144F1590000-0x00000144F15A0000-memory.dmp

Filesize
64KB

Download
memory/3392-13-0x00007FF94D130000-0x00007FF94DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/3472-4-0x00000223283E0000-0x0000022328428000-memory.dmp

Filesize
288KB

Download
memory/3472-8-0x0000022328240000-0x0000022328250000-memory.dmp

Filesize
64KB

Download
memory/3472-7-0x00007FF94D130000-0x00007FF94DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/3472-6-0x0000022328620000-0x000002232866C000-memory.dmp

Filesize
304KB

Download
memory/3472-12-0x00007FF94D130000-0x00007FF94DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/3472-5-0x0000022328570000-0x00000223285A6000-memory.dmp

Filesize
216KB

Download
memory/3472-0-0x000002230DCF0000-0x000002230DD5E000-memory.dmp

Filesize
440KB

Download
memory/3472-3-0x0000022328240000-0x0000022328250000-memory.dmp

Filesize
64KB

Download
memory/3472-2-0x00007FF94D130000-0x00007FF94DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/3472-1-0x000002230E110000-0x000002230E116000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads