snakekeylogger | e83231fa6c8d4df75581b44faa0180bc822f28168e12ed7590ba8c06a879a55e

Analysis

max time kernel
137s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-10-2024 19:28

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General

Target

dekont_001.pdf.exe
Size

6KB
MD5

e8988ad104148396f3bbc969c3e84a94
SHA1

b2f862133633e4dd69debb0d12c926c7cfbfa29f
SHA256

e83231fa6c8d4df75581b44faa0180bc822f28168e12ed7590ba8c06a879a55e
SHA512

d736e729e6ea1b7d2a28bbb4da40b3b1202cfaed35ed0cfc883f249d8d61f9b89534fabb26ca27595c140bdb72131622aab4d5f3e12fed67eebc67a76282852e
SSDEEP

96:ItlJkasxKUdSgvFKruk4Z50q1NjY2CMOt50vplejzNt:Fx5SgvFG4HtjY2omvLel

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7936689263:AAFVbTtCpguyJIaEvOdJBx9Oj9n157mQOMA/sendMessage?chat_id=6008123474

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2756-1097-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 780 created 3416	780	dekont_001.pdf.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Id.vbs	dekont_001.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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
29	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 780 set thread context of 2756	780	dekont_001.pdf.exe	88

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	dekont_001.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
780	dekont_001.pdf.exe
2756	InstallUtil.exe
2756	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	780	dekont_001.pdf.exe
Token: SeDebugPrivilege	780	dekont_001.pdf.exe
Token: SeDebugPrivilege	2756	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 2756	780	dekont_001.pdf.exe	88
PID 780 wrote to memory of 2756	780	dekont_001.pdf.exe	88
PID 780 wrote to memory of 2756	780	dekont_001.pdf.exe	88
PID 780 wrote to memory of 2756	780	dekont_001.pdf.exe	88
PID 780 wrote to memory of 2756	780	dekont_001.pdf.exe	88
PID 780 wrote to memory of 2756	780	dekont_001.pdf.exe	88
PID 780 wrote to memory of 2756	780	dekont_001.pdf.exe	88
PID 780 wrote to memory of 2756	780	dekont_001.pdf.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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\dekont_001.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\dekont_001.pdf.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:780
- 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:2756

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/780-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/780-1-0x0000000000AB0000-0x0000000000AB8000-memory.dmp

Filesize
32KB

Download
memory/780-2-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/780-3-0x0000000006720000-0x000000000680E000-memory.dmp

Filesize
952KB

Download
memory/780-4-0x0000000006DC0000-0x0000000007364000-memory.dmp

Filesize
5.6MB

Download
memory/780-5-0x00000000068C0000-0x0000000006952000-memory.dmp

Filesize
584KB

Download
memory/780-35-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-37-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-69-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-67-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-164-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/780-65-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-63-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-59-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-57-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-56-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-53-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-51-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-49-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-45-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-43-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-41-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-39-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-31-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-29-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-27-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-23-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-21-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-19-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-13-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-11-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-9-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-61-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-47-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-33-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-25-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-17-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-15-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-7-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-6-0x0000000006720000-0x0000000006809000-memory.dmp

Filesize
932KB

Download
memory/780-811-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/780-1082-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/780-1084-0x0000000006960000-0x00000000069AC000-memory.dmp

Filesize
304KB

Download
memory/780-1083-0x0000000006A30000-0x0000000006A92000-memory.dmp

Filesize
392KB

Download
memory/780-1090-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/780-1089-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/780-1088-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/780-1091-0x0000000006C80000-0x0000000006CD4000-memory.dmp

Filesize
336KB

Download
memory/780-1096-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1095-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1097-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2756-1098-0x0000000004F00000-0x0000000004F9C000-memory.dmp

Filesize
624KB

Download
memory/2756-1099-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1100-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1101-0x00000000062A0000-0x00000000062F0000-memory.dmp

Filesize
320KB

Download
memory/2756-1102-0x00000000064C0000-0x0000000006682000-memory.dmp

Filesize
1.8MB

Download
memory/2756-1103-0x0000000006320000-0x000000000632A000-memory.dmp

Filesize
40KB

Download