snakekeylogger | a68ca90feee1661298e4fa4455dde0731a0a26e374b2c6a40af7760924fcfefa

Analysis

max time kernel
63s
max time network
134s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/10/2022, 07:32

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General

Target
INVOICE AND DELIVERY NOTES.exe
Size 845KB
Sample221012-jcy6vschbq
SHA256 a68ca90feee1661298e4fa4455dde0731a0a26e374b2c6a40af7760924fcfefa
MD5 ae53912894a242de877382297a5fa01a
SHA1 9df3199182d84a221f8bf6b7034ec0851d857e41
SHA512 fc13d94397de063f343a36f30e5513a1ab9111e0e2fe0dd2fe93da69c06e68c3000d9d8905173e12e0f2e1ca450ad6f019cfc1d9e6cae64eb5f5d505b89147ce
SSDEEP 12288:efE6p/dzMIyNrJH6x8N8ZyQiV0KPDgHmh3d4kLMqza/aLvdMtC86m:e/IIyNNH01liV0Irh3dbMqO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.hemegas.es
Port
587
Username
[email protected]
Password
@Bastilipo1
Email to
[email protected]

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1340-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1340-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1340-71-0x00000000004201FE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1340-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1340-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1340-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1588	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1340	RegSvcs.exe
1336	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	RegSvcs.exe
Token: SeDebugPrivilege	1336	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1336	1960	INVOICE AND DELIVERY NOTES.exe	28
PID 1960 wrote to memory of 1336	1960	INVOICE AND DELIVERY NOTES.exe	28
PID 1960 wrote to memory of 1336	1960	INVOICE AND DELIVERY NOTES.exe	28
PID 1960 wrote to memory of 1336	1960	INVOICE AND DELIVERY NOTES.exe	28
PID 1960 wrote to memory of 1588	1960	INVOICE AND DELIVERY NOTES.exe	30
PID 1960 wrote to memory of 1588	1960	INVOICE AND DELIVERY NOTES.exe	30
PID 1960 wrote to memory of 1588	1960	INVOICE AND DELIVERY NOTES.exe	30
PID 1960 wrote to memory of 1588	1960	INVOICE AND DELIVERY NOTES.exe	30
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32
PID 1960 wrote to memory of 1340	1960	INVOICE AND DELIVERY NOTES.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE AND DELIVERY NOTES.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE AND DELIVERY NOTES.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VtfUAbDh.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1336
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VtfUAbDh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB829.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1588
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

tmpB829.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB829.tmp
Size 1KB
SHA256 2a748728e70f9f45f72fb6c9af80561c7b794b5d3bbff93ad408b30b1ea5974c
MD5 5598a1c9bea522c579151cec84fbe923
SHA1 87798ebaae1466cfa282acc71bab5fca880a09bd
SHA512 c86e797c7c131199e6aca35d28fe1701ac57286b1b7ca3fbae46667ea70ddbf746a2254f956ac851ef87ea50bd30e43f90d0029ec82255c9ac477323265647bd
MD5 SHA1 SHA512

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memory/1336-78-0x000000006D520000-0x000000006DACB000-memory.dmp

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memory/1336-77-0x000000006D520000-0x000000006DACB000-memory.dmp

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memory/1340-64-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1340-73-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1340-75-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1340-70-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1340-65-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1340-67-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1340-69-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1960-58-0x0000000004A00000-0x0000000004A80000-memory.dmp

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memory/1960-63-0x0000000004BB0000-0x0000000004BD6000-memory.dmp

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memory/1960-54-0x00000000003A0000-0x0000000000478000-memory.dmp

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memory/1960-57-0x0000000000610000-0x000000000061C000-memory.dmp

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memory/1960-56-0x0000000000320000-0x000000000033A000-memory.dmp

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memory/1960-55-0x00000000751A1000-0x00000000751A3000-memory.dmp

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