snakekeylogger | fd36434871eb55ee3d9f78ee0fd63f26c915f8d5a7d3848ef6ffddcac75893cc

General

Target

Cotizacion ##5033900.exe
Size

623KB
MD5

e5e34926801d009fd9345c1221cf61d1
SHA1

00dc97afe9b99f0f4c9c6be374ac0a82958028fd
SHA256

fd36434871eb55ee3d9f78ee0fd63f26c915f8d5a7d3848ef6ffddcac75893cc
SHA512

b7c2d2e7194d2a798abdf6e93f6fd1ded8f01261c35cd474c01684f7a10a791dcbd09625b094c2a8ac2f8b458754f1a8e2e52954de07a187425483b88755df91
SSDEEP

12288:2Wc/bUYIsYolnr8+HrF2pJSlghtqle1De7wubknDIlLS6YfiYh:diXrYoxHrF2pLql2IwubDsa

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.mtbooks.com.mx
Port:
587
Username:
[email protected]
Password:
^QGUcHQjx3

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/2700-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-77-0x0000000004850000-0x0000000004890000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-79-0x0000000004850000-0x0000000004890000-memory.dmp	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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Cotizacion ##5033900.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Cotizacion ##5033900.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Cotizacion ##5033900.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1252 set thread context of 2700	1252	Cotizacion ##5033900.exe	30

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1252	Cotizacion ##5033900.exe
1252	Cotizacion ##5033900.exe
2700	Cotizacion ##5033900.exe
2700	Cotizacion ##5033900.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2700	Cotizacion ##5033900.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	Cotizacion ##5033900.exe
Token: SeDebugPrivilege	2700	Cotizacion ##5033900.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30
PID 1252 wrote to memory of 2700	1252	Cotizacion ##5033900.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Cotizacion ##5033900.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Cotizacion ##5033900.exe

C:\Users\Admin\AppData\Local\Temp\Cotizacion ##5033900.exe
"C:\Users\Admin\AppData\Local\Temp\Cotizacion ##5033900.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\Cotizacion ##5033900.exe
  "C:\Users\Admin\AppData\Local\Temp\Cotizacion ##5033900.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1252-55-0x0000000074ED0000-0x00000000755BE000-memory.dmp

Filesize
6.9MB

Download
memory/1252-54-0x0000000000040000-0x00000000000E2000-memory.dmp

Filesize
648KB

Download
memory/1252-56-0x0000000000600000-0x0000000000640000-memory.dmp

Filesize
256KB

Download
memory/1252-57-0x00000000004A0000-0x00000000004B0000-memory.dmp

Filesize
64KB

Download
memory/1252-58-0x0000000074ED0000-0x00000000755BE000-memory.dmp

Filesize
6.9MB

Download
memory/1252-59-0x0000000000600000-0x0000000000640000-memory.dmp

Filesize
256KB

Download
memory/1252-60-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/1252-61-0x0000000004E60000-0x0000000004EC2000-memory.dmp

Filesize
392KB

Download
memory/1252-73-0x0000000074ED0000-0x00000000755BE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-75-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-76-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-77-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download
memory/2700-78-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-79-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download

Analysis

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