snakekeylogger | eb63c71f096131d99d8d2a6ae302687adabc8f06a2527947e492acb3e7b43cd9

Analysis

max time kernel
133s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2024 13:28

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General

Target

GuadecargadeDHL_pdf.exe
Size

298KB
MD5

a850decb07a489a1f6fe96ad37273cfb
SHA1

d8ea2f165dab37ac9cd98433f6ea984e17e23699
SHA256

eb63c71f096131d99d8d2a6ae302687adabc8f06a2527947e492acb3e7b43cd9
SHA512

d6b583f7d3b3a2b0171684644cb90370b031a683bce6228b324a40160bb3f00111a46f02a5efd6e725bf451a04e93963ce8b6b783026b1d460e53f34d333ba52
SSDEEP

6144:9c84OG2S2MQDtLC9xwQj2faYEEPg1zoCwo2lxqAPrAE:9Z4OG2S2MQQEQj2fad18L/jb

Score

10^/10

snakekeylogger collection credential_access 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/4048-1096-0x0000000000710000-0x000000000078C000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1692 created 3512	1692	GuadecargadeDHL_pdf.exe	56

Drops startup file 1 IoCs

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

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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
28	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1692 set thread context of 4048	1692	GuadecargadeDHL_pdf.exe	97

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1692	GuadecargadeDHL_pdf.exe
4048	InstallUtil.exe
4048	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	GuadecargadeDHL_pdf.exe
Token: SeDebugPrivilege	1692	GuadecargadeDHL_pdf.exe
Token: SeDebugPrivilege	4048	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 4048	1692	GuadecargadeDHL_pdf.exe	97
PID 1692 wrote to memory of 4048	1692	GuadecargadeDHL_pdf.exe	97
PID 1692 wrote to memory of 4048	1692	GuadecargadeDHL_pdf.exe	97
PID 1692 wrote to memory of 4048	1692	GuadecargadeDHL_pdf.exe	97
PID 1692 wrote to memory of 4048	1692	GuadecargadeDHL_pdf.exe	97
PID 1692 wrote to memory of 4048	1692	GuadecargadeDHL_pdf.exe	97
PID 1692 wrote to memory of 4048	1692	GuadecargadeDHL_pdf.exe	97
PID 1692 wrote to memory of 4048	1692	GuadecargadeDHL_pdf.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3512
- C:\Users\Admin\AppData\Local\Temp\GuadecargadeDHL_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\GuadecargadeDHL_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:1692
- 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:4048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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/1692-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download
memory/1692-1-0x0000000000700000-0x0000000000750000-memory.dmp

Filesize
320KB

Download
memory/1692-2-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1692-3-0x00000000064B0000-0x00000000065F6000-memory.dmp

Filesize
1.3MB

Download
memory/1692-4-0x0000000006BA0000-0x0000000007144000-memory.dmp

Filesize
5.6MB

Download
memory/1692-5-0x00000000066A0000-0x0000000006732000-memory.dmp

Filesize
584KB

Download
memory/1692-7-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-17-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-23-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-33-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-43-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-53-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-51-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-49-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-47-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-45-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-41-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-39-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-37-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-35-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-29-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-27-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-25-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-31-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-21-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-19-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-15-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-13-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-11-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-9-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-6-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-59-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-55-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-69-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-67-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-65-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-63-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-61-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-57-0x00000000064B0000-0x00000000065F0000-memory.dmp

Filesize
1.2MB

Download
memory/1692-1080-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1692-1081-0x0000000006810000-0x00000000068C8000-memory.dmp

Filesize
736KB

Download
memory/1692-1082-0x0000000006740000-0x000000000678C000-memory.dmp

Filesize
304KB

Download
memory/1692-1086-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download
memory/1692-1085-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1692-1090-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1692-1089-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1692-1088-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1692-1091-0x0000000006AB0000-0x0000000006B04000-memory.dmp

Filesize
336KB

Download
memory/1692-1097-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4048-1095-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4048-1098-0x0000000004CA0000-0x0000000004D3C000-memory.dmp

Filesize
624KB

Download
memory/4048-1096-0x0000000000710000-0x000000000078C000-memory.dmp

Filesize
496KB

Download
memory/4048-1099-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4048-1100-0x0000000004C90000-0x0000000004C9A000-memory.dmp

Filesize
40KB

Download
memory/4048-1101-0x0000000005CC0000-0x0000000005D26000-memory.dmp

Filesize
408KB

Download
memory/4048-1102-0x0000000005C40000-0x0000000005C4A000-memory.dmp

Filesize
40KB

Download
memory/4048-1103-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download