snakekeylogger | 425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8

General

Target

425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
Size

985KB
MD5

24b3090f4c1676070ce1ae5c832326a0
SHA1

4f403a5f7db8c2cb0685e25ee826831cc54d81a0
SHA256

425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8
SHA512

c65f1cc8192c12e65c75817238cc6d5999993155865e436b88c5f4f7c0825b5711844abdfadee84dcc2f76e8657b856855c054f528bf352ae11b2f7ebc4967d5
SSDEEP

24576:Cu6J33O0c+JY5UZ+XC0kGso6FaWElfCXR2FsVWY:ku0c++OCvkGs9FaWWfA4Y

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7767004773:AAG_mBqrFYZNr81F28ktwLAJ3brPq5BTRzg/sendMessage?chat_id=1217600190

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/756-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Monteverdi.vbs	Monteverdi.exe

Executes dropped EXE 1 IoCs

pid	Process
4068	Monteverdi.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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.

flow	ioc
13	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0007000000023c67-9.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4068 set thread context of 756	4068	Monteverdi.exe	85

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Monteverdi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
756	RegSvcs.exe
756	RegSvcs.exe
756	RegSvcs.exe
756	RegSvcs.exe
756	RegSvcs.exe
756	RegSvcs.exe
756	RegSvcs.exe
756	RegSvcs.exe
756	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4068	Monteverdi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	RegSvcs.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
4068	Monteverdi.exe
4068	Monteverdi.exe
4068	Monteverdi.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
4068	Monteverdi.exe
4068	Monteverdi.exe
4068	Monteverdi.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 4068	4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe	83
PID 4148 wrote to memory of 4068	4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe	83
PID 4148 wrote to memory of 4068	4148	425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe	83
PID 4068 wrote to memory of 756	4068	Monteverdi.exe	85
PID 4068 wrote to memory of 756	4068	Monteverdi.exe	85
PID 4068 wrote to memory of 756	4068	Monteverdi.exe	85
PID 4068 wrote to memory of 756	4068	Monteverdi.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe
"C:\Users\Admin\AppData\Local\Temp\425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Users\Admin\AppData\Local\thixolabile\Monteverdi.exe
  "C:\Users\Admin\AppData\Local\Temp\425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4068
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8N.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\thixolabile\Monteverdi.exe

Filesize
985KB

MD5
24b3090f4c1676070ce1ae5c832326a0

SHA1
4f403a5f7db8c2cb0685e25ee826831cc54d81a0

SHA256
425b19b27a22ebeb6c36992870ee88119b4996086c3cfd1c64e1d7fbc330d0e8

SHA512
c65f1cc8192c12e65c75817238cc6d5999993155865e436b88c5f4f7c0825b5711844abdfadee84dcc2f76e8657b856855c054f528bf352ae11b2f7ebc4967d5

Download Submit
memory/756-25-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/756-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/756-21-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/756-22-0x0000000005B50000-0x00000000060F4000-memory.dmp

Filesize
5.6MB

Download
memory/756-23-0x00000000055A0000-0x000000000563C000-memory.dmp

Filesize
624KB

Download
memory/756-24-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/756-26-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/756-27-0x00000000068C0000-0x0000000006910000-memory.dmp

Filesize
320KB

Download
memory/756-28-0x0000000006AE0000-0x0000000006CA2000-memory.dmp

Filesize
1.8MB

Download
memory/756-29-0x00000000069B0000-0x0000000006A42000-memory.dmp

Filesize
584KB

Download
memory/756-30-0x0000000006940000-0x000000000694A000-memory.dmp

Filesize
40KB

Download
memory/4068-18-0x00000000011C0000-0x00000000015C0000-memory.dmp

Filesize
4.0MB

Download
memory/4148-6-0x0000000000DF0000-0x00000000011F0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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