snakekeylogger | c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c

General

Target

d75592cbb9d3ba728f0b27ad6218152c.exe
Size

576KB
MD5

d75592cbb9d3ba728f0b27ad6218152c
SHA1

549930cb2a9dc576c4f831793d8e29957d070551
SHA256

c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c
SHA512

346fb36f74267d137173cb1e8838742fe1e595d29e7200f93943949c4331c0eb142f07cfc0a74874a697621603e4c62e78396865ae5da9c5f0f7c3bbda431e25
SSDEEP

12288:wPG/+BUGJFwnne07Eke5eFGT1gWOlMNTaQzzYW8eQeoEbkR:faUUwnne0fe5e01gWBNTRcW8eQeoE+

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.dap.vn
Port:
587
Username:
[email protected]
Password:
KhAnh110886
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2580-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2580-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2580-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2580-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2580-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2572	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.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 2756 set thread context of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d75592cbb9d3ba728f0b27ad6218152c.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2756	d75592cbb9d3ba728f0b27ad6218152c.exe
2756	d75592cbb9d3ba728f0b27ad6218152c.exe
2580	vbc.exe
2572	powershell.exe
2580	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	d75592cbb9d3ba728f0b27ad6218152c.exe
Token: SeDebugPrivilege	2580	vbc.exe
Token: SeDebugPrivilege	2572	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2572	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	30
PID 2756 wrote to memory of 2572	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	30
PID 2756 wrote to memory of 2572	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	30
PID 2756 wrote to memory of 2572	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	30
PID 2756 wrote to memory of 2720	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	32
PID 2756 wrote to memory of 2720	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	32
PID 2756 wrote to memory of 2720	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	32
PID 2756 wrote to memory of 2720	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	32
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34
PID 2756 wrote to memory of 2580	2756	d75592cbb9d3ba728f0b27ad6218152c.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\d75592cbb9d3ba728f0b27ad6218152c.exe
"C:\Users\Admin\AppData\Local\Temp\d75592cbb9d3ba728f0b27ad6218152c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YlGewDdvEIy.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2572
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YlGewDdvEIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3247.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2720
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3247.tmp

Filesize
1KB

MD5
14fd6f625eb73c48d53878556536009a

SHA1
c1bcbf0e6f03cf4d5571183a57e306314234209b

SHA256
e3c536e6d7c563e5a432cb6f74c8fb4f29ea1fdbd75a56cf08b317a66b3fd0c8

SHA512
c9ce9950c7d6c1e4f6e9a6ec6aeb77a780a2de3f78501a9a2f8bdd2215528c5a6c4a2637094e0bb866a19d965e3328a8448e197981f6ccaa49aea164fad13e32

Download Submit
memory/2580-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2580-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2580-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2580-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2580-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2580-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2580-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2756-5-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-1-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/2756-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2756-6-0x00000000053B0000-0x000000000541C000-memory.dmp

Filesize
432KB

Download
memory/2756-4-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2756-3-0x0000000000580000-0x0000000000598000-memory.dmp

Filesize
96KB

Download
memory/2756-26-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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