snakekeylogger | 2b08eaf684fa5bff0d475dc65cfd05e76f08d2d87640bc9a649fcca140c88ec9

Analysis

max time kernel
128s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 02:23

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General

Target

invoice.scr
Size

39KB
MD5

7a1eaa7fa6331234f98c277dbe7f1d73
SHA1

aaf18053d0e33d3828483055ba005efe8d158e0b
SHA256

2b08eaf684fa5bff0d475dc65cfd05e76f08d2d87640bc9a649fcca140c88ec9
SHA512

8ef567d762196bce185e4720eedcea8eccc42e0df8e37a78d0d39cdeff98ee243770db75e0a9cfaecaea9c72ab65da37628eae110b55364a6c9c9d981c525268
SSDEEP

768:YThNpQ8uJrQAEPb1kse1SnUEXoz9uW41Ep8gEVJYNWKjsj1We5:Y/qxJMRMuWCXRSNdjSWe5

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5945022662:AAH3tNDq2H4t2_2yAxq__TOQa3RMNliwRjM/sendMessage?chat_id=6147569474

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3596-1125-0x0000000000530000-0x0000000000556000-memory.dmp	family_snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4076 created 3552	4076	invoice.scr	56

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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 4076 set thread context of 3596	4076	invoice.scr	90

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	invoice.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4076	invoice.scr
3596	RegAsm.exe
3596	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4076	invoice.scr
Token: SeDebugPrivilege	4076	invoice.scr
Token: SeDebugPrivilege	3596	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 3596	4076	invoice.scr	90
PID 4076 wrote to memory of 3596	4076	invoice.scr	90
PID 4076 wrote to memory of 3596	4076	invoice.scr	90
PID 4076 wrote to memory of 3596	4076	invoice.scr	90
PID 4076 wrote to memory of 3596	4076	invoice.scr	90
PID 4076 wrote to memory of 3596	4076	invoice.scr	90
PID 4076 wrote to memory of 3596	4076	invoice.scr	90
PID 4076 wrote to memory of 3596	4076	invoice.scr	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3552
- C:\Users\Admin\AppData\Local\Temp\invoice.scr
  "C:\Users\Admin\AppData\Local\Temp\invoice.scr" /S
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4076
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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:3596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3596-1124-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/3596-1126-0x0000000004A60000-0x0000000004AFC000-memory.dmp

Filesize
624KB

Download
memory/3596-1125-0x0000000000530000-0x0000000000556000-memory.dmp

Filesize
152KB

Download
memory/3596-1127-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/3596-1128-0x0000000005C20000-0x0000000005C70000-memory.dmp

Filesize
320KB

Download
memory/3596-1132-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/3596-1131-0x0000000005CD0000-0x0000000005CDA000-memory.dmp

Filesize
40KB

Download
memory/3596-1130-0x0000000005D10000-0x0000000005DA2000-memory.dmp

Filesize
584KB

Download
memory/3596-1129-0x0000000005E40000-0x0000000006002000-memory.dmp

Filesize
1.8MB

Download
memory/4076-22-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-10-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-30-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-68-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-66-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-180-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-62-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-60-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-58-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-56-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-54-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-52-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-50-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-48-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-46-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-44-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-42-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-40-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-38-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-34-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-32-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-26-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-24-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-4-0x00000000064E0000-0x00000000065C6000-memory.dmp

Filesize
920KB

Download
memory/4076-20-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-18-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-16-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-15-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-12-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-28-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-8-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-6-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-64-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-36-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-5-0x00000000064E0000-0x00000000065C0000-memory.dmp

Filesize
896KB

Download
memory/4076-1080-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1081-0x00000000066E0000-0x0000000006742000-memory.dmp

Filesize
392KB

Download
memory/4076-1082-0x0000000006770000-0x00000000067BC000-memory.dmp

Filesize
304KB

Download
memory/4076-1085-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1088-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1091-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1095-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1100-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1105-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1104-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1108-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1110-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1115-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-3-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/4076-2-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1-0x0000000000D90000-0x0000000000DA0000-memory.dmp

Filesize
64KB

Download
memory/4076-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/4076-1118-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1119-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4076-1120-0x0000000007030000-0x00000000075D4000-memory.dmp

Filesize
5.6MB

Download
memory/4076-1121-0x0000000006920000-0x0000000006974000-memory.dmp

Filesize
336KB

Download
memory/4076-1123-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download