snakekeylogger | 6fa650ce13d6af2de198d27c1dae56d62f53bfa5f570eba1ba9bf5b26074db7c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-10-2024 12:51

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General

Target

Documentos.exe
Size

53KB
MD5

ecddf2614e50251fdbea5ff7f9f5a1d0
SHA1

44da5d708c1fdd66251f8cfe0e634ef40081a608
SHA256

6fa650ce13d6af2de198d27c1dae56d62f53bfa5f570eba1ba9bf5b26074db7c
SHA512

741b07b96e3ee295182799a8ac2ee91a2b389e0af0cc97b60813dfed35dc16b5daaff94ff3c69d280b33f2d8bbb15dd13d9ab5dc5ec23e89e3971914e3f6ea6c
SSDEEP

768:TOuD+Bk8PS/XCWdTKzX6C8C6aErKyrOkixg3nsdQN6weFhHvYe7dCunb/gf3YsI6:sB5YrCdHlb/gf3fIxVm60DhgrGGY0R8

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7824077250:AAFcoqx_HuY2oC2csA-0G-hez0Tv78Sn08E/sendMessage?chat_id=7546472414

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4316-1096-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1856 created 3424	1856	Documentos.exe	56

Drops startup file 1 IoCs

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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
26	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1856 set thread context of 4316	1856	Documentos.exe	94

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1856	Documentos.exe
4316	InstallUtil.exe
4316	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	Documentos.exe
Token: SeDebugPrivilege	1856	Documentos.exe
Token: SeDebugPrivilege	4316	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 4316	1856	Documentos.exe	94
PID 1856 wrote to memory of 4316	1856	Documentos.exe	94
PID 1856 wrote to memory of 4316	1856	Documentos.exe	94
PID 1856 wrote to memory of 4316	1856	Documentos.exe	94
PID 1856 wrote to memory of 4316	1856	Documentos.exe	94
PID 1856 wrote to memory of 4316	1856	Documentos.exe	94
PID 1856 wrote to memory of 4316	1856	Documentos.exe	94
PID 1856 wrote to memory of 4316	1856	Documentos.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3424
- C:\Users\Admin\AppData\Local\Temp\Documentos.exe
  "C:\Users\Admin\AppData\Local\Temp\Documentos.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:1856
- 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:4316

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/1856-1082-0x0000000006480000-0x00000000064CC000-memory.dmp

Filesize
304KB

Download
memory/1856-19-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-2-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1856-3-0x0000000006240000-0x000000000632E000-memory.dmp

Filesize
952KB

Download
memory/1856-4-0x00000000068E0000-0x0000000006E84000-memory.dmp

Filesize
5.6MB

Download
memory/1856-5-0x00000000063E0000-0x0000000006472000-memory.dmp

Filesize
584KB

Download
memory/1856-13-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-11-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-57-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-55-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-69-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-67-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-65-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-63-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-61-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-59-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-53-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-51-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-49-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-48-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-45-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-43-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-39-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-37-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-35-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-1080-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1856-33-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-1081-0x0000000006550000-0x00000000065B2000-memory.dmp

Filesize
392KB

Download
memory/1856-1094-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1856-31-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-29-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-27-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-1085-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1856-1090-0x0000000006780000-0x00000000067D4000-memory.dmp

Filesize
336KB

Download
memory/1856-0-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/1856-1089-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1856-1088-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/1856-1087-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1856-26-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-21-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-1-0x0000000000600000-0x0000000000614000-memory.dmp

Filesize
80KB

Download
memory/1856-17-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-41-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-9-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-7-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-23-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-6-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/1856-15-0x0000000006240000-0x0000000006328000-memory.dmp

Filesize
928KB

Download
memory/4316-1096-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4316-1095-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4316-1097-0x0000000004F70000-0x000000000500C000-memory.dmp

Filesize
624KB

Download
memory/4316-1098-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4316-1099-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4316-1100-0x00000000061C0000-0x0000000006210000-memory.dmp

Filesize
320KB

Download
memory/4316-1101-0x00000000063E0000-0x00000000065A2000-memory.dmp

Filesize
1.8MB

Download
memory/4316-1102-0x0000000006250000-0x000000000625A000-memory.dmp

Filesize
40KB

Download