snakekeylogger | 81f96447b363e2eda47b195df8bb05c68ff378150b1aff80c22e555a3c5214fc

Analysis

max time kernel
134s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-ja
resource tags

arch:x64arch:x86image:win10v2004-20241007-jalocale:ja-jpos:windows10-2004-x64systemwindows
submitted
29-10-2024 00:19

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General

Target

Ndnownts.exe
Size

53KB
MD5

297e05ee6ce9a0e345f5053d87ac7401
SHA1

3aaf227b2a441d16477f2db50b35c03711f1c583
SHA256

188d3957239f757531a5783322eaa577cef632c4bde8acc6b82ee166c79d4cc8
SHA512

ff9f8b58992e3c09e0e72889a5793b0c50c806d1f2fca4afcd1125e6a9d65e0270c90b6c58d04814413eb660609b14248488e0d949ed0b0c824bde476c3229e0
SSDEEP

768:oO8d/uNf0FME+RGoOfHvtkVCWDwIXSqi935jSsNPKzTKWV1YaojgQug1/nJpVI6C:Yg9vZy1/JI6WLLoHT0ti9hge+

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7698096781:AAGQLD6o1kzjfTe7ym-NWYz9KeQ-WUS_Q04/sendMessage?chat_id=6243598265

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral1/memory/4972-1097-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2392 created 3416	2392	Ndnownts.exe	56

Drops startup file 1 IoCs

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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
27	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 4972	2392	Ndnownts.exe	92

System Location Discovery: System Language Discovery 1 TTPs 2 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	Ndnownts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2392	Ndnownts.exe
4972	InstallUtil.exe
4972	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	Ndnownts.exe
Token: SeDebugPrivilege	2392	Ndnownts.exe
Token: SeDebugPrivilege	4972	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 4972	2392	Ndnownts.exe	92
PID 2392 wrote to memory of 4972	2392	Ndnownts.exe	92
PID 2392 wrote to memory of 4972	2392	Ndnownts.exe	92
PID 2392 wrote to memory of 4972	2392	Ndnownts.exe	92
PID 2392 wrote to memory of 4972	2392	Ndnownts.exe	92
PID 2392 wrote to memory of 4972	2392	Ndnownts.exe	92
PID 2392 wrote to memory of 4972	2392	Ndnownts.exe	92
PID 2392 wrote to memory of 4972	2392	Ndnownts.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3416
- C:\Users\Admin\AppData\Local\Temp\Ndnownts.exe
  "C:\Users\Admin\AppData\Local\Temp\Ndnownts.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2392
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2392-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2392-1-0x0000000000460000-0x0000000000474000-memory.dmp

Filesize
80KB

Download
memory/2392-2-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2392-3-0x00000000060D0000-0x00000000061BE000-memory.dmp

Filesize
952KB

Download
memory/2392-4-0x0000000006770000-0x0000000006D14000-memory.dmp

Filesize
5.6MB

Download
memory/2392-5-0x0000000006270000-0x0000000006302000-memory.dmp

Filesize
584KB

Download
memory/2392-15-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-23-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-51-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-57-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-69-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-67-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-65-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-63-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-61-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-59-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-55-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-53-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-49-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-47-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-45-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-43-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-41-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-39-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-37-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-35-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-29-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-27-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-25-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-21-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-19-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-17-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-13-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-11-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-9-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-7-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-33-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-32-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-6-0x00000000060D0000-0x00000000061B9000-memory.dmp

Filesize
932KB

Download
memory/2392-1080-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2392-1081-0x0000000006370000-0x00000000063D2000-memory.dmp

Filesize
392KB

Download
memory/2392-1082-0x00000000063D0000-0x000000000641C000-memory.dmp

Filesize
304KB

Download
memory/2392-1087-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2392-1085-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2392-1088-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2392-1089-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2392-1090-0x00000000064C0000-0x0000000006514000-memory.dmp

Filesize
336KB

Download
memory/2392-1091-0x0000000006E90000-0x0000000006F9E000-memory.dmp

Filesize
1.1MB

Download
memory/2392-1095-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4972-1096-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4972-1097-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4972-1098-0x0000000005470000-0x000000000550C000-memory.dmp

Filesize
624KB

Download
memory/4972-1099-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4972-1100-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4972-1101-0x0000000006550000-0x0000000006564000-memory.dmp

Filesize
80KB

Download
memory/4972-1102-0x0000000006920000-0x0000000006AE2000-memory.dmp

Filesize
1.8MB

Download
memory/4972-1103-0x00000000065E0000-0x00000000065EA000-memory.dmp

Filesize
40KB

Download