snakekeylogger | 0478e4f1ac436fa2cb51ce427c0a9e3e39c79f1d328215879a88dc9e3b60629f

General

Target

Solicitud de cotizacion.exe
Size

546KB
MD5

a817614af07e6e0bfb951cd1bac7523a
SHA1

d5047ae88421a2c1e4a7baca0871cb34859820a0
SHA256

0478e4f1ac436fa2cb51ce427c0a9e3e39c79f1d328215879a88dc9e3b60629f
SHA512

e7853cd19c73985e0e11854772aaa3a66813c1c2826853afc8de234d0c0c3591f27a900ffca13e1d65ace30fb464f91a1536de06c53d840d3ce190c5270ddbd8
SSDEEP

12288:ly3HI6uQmD035I8D5P46hiZ5RMhBtsyfEriAASk5Nm4pm:lcHIxQmI35DR45eBtPAqK

Score

10^/10

snakekeylogger discovery keylogger 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/3392-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Solicitud de cotizacion.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 3332 set thread context of 3392	3332	Solicitud de cotizacion.exe	102

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	Solicitud de cotizacion.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Solicitud de cotizacion.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3332	Solicitud de cotizacion.exe
3332	Solicitud de cotizacion.exe
3332	Solicitud de cotizacion.exe
3332	Solicitud de cotizacion.exe
3332	Solicitud de cotizacion.exe
3332	Solicitud de cotizacion.exe
3332	Solicitud de cotizacion.exe
3332	Solicitud de cotizacion.exe
3332	Solicitud de cotizacion.exe
3392	Solicitud de cotizacion.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	Solicitud de cotizacion.exe
Token: SeDebugPrivilege	3392	Solicitud de cotizacion.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 3392	3332	Solicitud de cotizacion.exe	102
PID 3332 wrote to memory of 3392	3332	Solicitud de cotizacion.exe	102
PID 3332 wrote to memory of 3392	3332	Solicitud de cotizacion.exe	102
PID 3332 wrote to memory of 3392	3332	Solicitud de cotizacion.exe	102
PID 3332 wrote to memory of 3392	3332	Solicitud de cotizacion.exe	102
PID 3332 wrote to memory of 3392	3332	Solicitud de cotizacion.exe	102
PID 3332 wrote to memory of 3392	3332	Solicitud de cotizacion.exe	102
PID 3332 wrote to memory of 3392	3332	Solicitud de cotizacion.exe	102
PID 3392 wrote to memory of 3060	3392	Solicitud de cotizacion.exe	104
PID 3392 wrote to memory of 3060	3392	Solicitud de cotizacion.exe	104
PID 3392 wrote to memory of 3060	3392	Solicitud de cotizacion.exe	104
PID 3060 wrote to memory of 4036	3060	cmd.exe	106
PID 3060 wrote to memory of 4036	3060	cmd.exe	106
PID 3060 wrote to memory of 4036	3060	cmd.exe	106

C:\Users\Admin\AppData\Local\Temp\Solicitud de cotizacion.exe
"C:\Users\Admin\AppData\Local\Temp\Solicitud de cotizacion.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Users\Admin\AppData\Local\Temp\Solicitud de cotizacion.exe
  "C:\Users\Admin\AppData\Local\Temp\Solicitud de cotizacion.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3392
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Solicitud de cotizacion.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:4036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Solicitud de cotizacion.exe.log

Filesize
1KB

MD5
7ef67a0a2b1e31df887adcdaf86e4bbd

SHA1
348aad52be33f1a0c477e2ace332ecf91bb0e1a8

SHA256
af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

SHA512
4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

Download Submit
memory/3332-4-0x0000000004E70000-0x0000000004F0C000-memory.dmp

Filesize
624KB

Download
memory/3332-7-0x0000000005040000-0x0000000005052000-memory.dmp

Filesize
72KB

Download
memory/3332-3-0x0000000004DB0000-0x0000000004E42000-memory.dmp

Filesize
584KB

Download
memory/3332-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/3332-9-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3332-6-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3332-2-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/3332-8-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/3332-5-0x0000000004D70000-0x0000000004D7A000-memory.dmp

Filesize
40KB

Download
memory/3332-10-0x0000000007B60000-0x0000000007BCC000-memory.dmp

Filesize
432KB

Download
memory/3332-15-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3332-1-0x0000000000340000-0x00000000003CE000-memory.dmp

Filesize
568KB

Download
memory/3392-14-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3392-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3392-16-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3392-17-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download

Analysis

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