snakekeylogger | 22b0dcc30c169644100916d06c39328f35a546a5b4a55a196dcc4d2b6a8197de

General

Target

z25Solicituddecotizacion.exe
Size

630KB
MD5

70289d25b830cd80af41120874eb1ee1
SHA1

ac76af075b1dd893200d57e6e9a3f7b24d476488
SHA256

22b0dcc30c169644100916d06c39328f35a546a5b4a55a196dcc4d2b6a8197de
SHA512

40c245c8bc5cdfd169abc4e7daadc7f90493a27cda447f27d403552600a33a72f754c478495ca98259e071113f4521423d18bcf1cca7c70eae82216a48d4440f
SSDEEP

12288:F3QiGR0dBOzDiCk5mQ0LnQyxzERfZ7sXmGUoFmz0WCJVMRsK:VoAOzHQ4nPzuZ7s27Im7CJVasK

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7985379579:AAFFNXAHJz6n24A6xEGgMMms826UxvjorNA/sendMessage?chat_id=6370711846

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2404-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z25Solicituddecotizacion.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z25Solicituddecotizacion.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z25Solicituddecotizacion.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
30	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 2404	4596	z25Solicituddecotizacion.exe	103

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	z25Solicituddecotizacion.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z25Solicituddecotizacion.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4596	z25Solicituddecotizacion.exe
4596	z25Solicituddecotizacion.exe
4596	z25Solicituddecotizacion.exe
4596	z25Solicituddecotizacion.exe
4596	z25Solicituddecotizacion.exe
4596	z25Solicituddecotizacion.exe
4596	z25Solicituddecotizacion.exe
4596	z25Solicituddecotizacion.exe
4596	z25Solicituddecotizacion.exe
2404	z25Solicituddecotizacion.exe
2404	z25Solicituddecotizacion.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	z25Solicituddecotizacion.exe
Token: SeDebugPrivilege	2404	z25Solicituddecotizacion.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 2404	4596	z25Solicituddecotizacion.exe	103
PID 4596 wrote to memory of 2404	4596	z25Solicituddecotizacion.exe	103
PID 4596 wrote to memory of 2404	4596	z25Solicituddecotizacion.exe	103
PID 4596 wrote to memory of 2404	4596	z25Solicituddecotizacion.exe	103
PID 4596 wrote to memory of 2404	4596	z25Solicituddecotizacion.exe	103
PID 4596 wrote to memory of 2404	4596	z25Solicituddecotizacion.exe	103
PID 4596 wrote to memory of 2404	4596	z25Solicituddecotizacion.exe	103
PID 4596 wrote to memory of 2404	4596	z25Solicituddecotizacion.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z25Solicituddecotizacion.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z25Solicituddecotizacion.exe

C:\Users\Admin\AppData\Local\Temp\z25Solicituddecotizacion.exe
"C:\Users\Admin\AppData\Local\Temp\z25Solicituddecotizacion.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Users\Admin\AppData\Local\Temp\z25Solicituddecotizacion.exe
  "C:\Users\Admin\AppData\Local\Temp\z25Solicituddecotizacion.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:2404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\z25Solicituddecotizacion.exe.log

Filesize
1KB

MD5
7ef67a0a2b1e31df887adcdaf86e4bbd

SHA1
348aad52be33f1a0c477e2ace332ecf91bb0e1a8

SHA256
af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

SHA512
4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

Download Submit
memory/2404-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2404-19-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/2404-18-0x0000000006650000-0x0000000006812000-memory.dmp

Filesize
1.8MB

Download
memory/2404-17-0x0000000006430000-0x0000000006480000-memory.dmp

Filesize
320KB

Download
memory/2404-16-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/2404-14-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4596-4-0x0000000005AC0000-0x0000000005B5C000-memory.dmp

Filesize
624KB

Download
memory/4596-8-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/4596-9-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4596-10-0x0000000006ED0000-0x0000000006F3C000-memory.dmp

Filesize
432KB

Download
memory/4596-7-0x0000000005E70000-0x0000000005E82000-memory.dmp

Filesize
72KB

Download
memory/4596-6-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4596-5-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/4596-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/4596-15-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4596-3-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/4596-2-0x0000000005FD0000-0x0000000006574000-memory.dmp

Filesize
5.6MB

Download
memory/4596-1-0x0000000000F20000-0x0000000000FC4000-memory.dmp

Filesize
656KB

Download

Analysis

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