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/2628-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2628-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2628-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2628-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2628-18-0x0000000000400000-0x0000000000426000-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
2228	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 2348 set thread context of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35

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	d75592cbb9d3ba728f0b27ad6218152c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.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
2972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2348	d75592cbb9d3ba728f0b27ad6218152c.exe
2348	d75592cbb9d3ba728f0b27ad6218152c.exe
2628	vbc.exe
2228	powershell.exe
2628	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	d75592cbb9d3ba728f0b27ad6218152c.exe
Token: SeDebugPrivilege	2628	vbc.exe
Token: SeDebugPrivilege	2228	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2228	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	31
PID 2348 wrote to memory of 2228	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	31
PID 2348 wrote to memory of 2228	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	31
PID 2348 wrote to memory of 2228	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	31
PID 2348 wrote to memory of 2972	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	33
PID 2348 wrote to memory of 2972	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	33
PID 2348 wrote to memory of 2972	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	33
PID 2348 wrote to memory of 2972	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	33
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35
PID 2348 wrote to memory of 2628	2348	d75592cbb9d3ba728f0b27ad6218152c.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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:2348
- 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:2228
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YlGewDdvEIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE34D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2972
- 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:2628

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\tmpE34D.tmp

Filesize
1KB

MD5
c4e2c8e35eb4f1ed2c7ccf86586f6c01

SHA1
2dd313d1d6c7bee9d179ddfdbf8ea17018499653

SHA256
a5864a7ed0bf933a679badbe657c9b58617d450389468405e3e8f92f1bcd5faf

SHA512
108cf042506746dd07174cf370a600f3be672c07484ebf193e40bf9e8a02bd58913b06306ddece6fde3dd02a72997d177f664708a74a20c3ed59d687518a1f68

Download Submit
memory/2348-26-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-1-0x00000000009C0000-0x0000000000A52000-memory.dmp

Filesize
584KB

Download
memory/2348-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-3-0x0000000000460000-0x0000000000478000-memory.dmp

Filesize
96KB

Download
memory/2348-4-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2348-5-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-6-0x0000000004ED0000-0x0000000004F3C000-memory.dmp

Filesize
432KB

Download
memory/2348-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2628-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2628-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2628-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2628-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2628-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2628-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2628-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads