snakekeylogger | 499cf5d857866301dfc24c03d532badc1e18c40c86e87ee56dfbb4b4d2ae4896

Analysis

max time kernel
121s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 15:35

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General

Target

6d63f97b52c80f9d4f04deb80e15a892.exe
Size

3.6MB
MD5

6d63f97b52c80f9d4f04deb80e15a892
SHA1

62a6e30c24499511b8c44b7948f83af5ac17959e
SHA256

499cf5d857866301dfc24c03d532badc1e18c40c86e87ee56dfbb4b4d2ae4896
SHA512

8b7a76aaada8785560d90669911c2c526ec92b8c28ae12a347e7da76663cb0ccdba772a40e2ddf2e55014c0c216faabb3dd09243587e537e6da445e435bb7f2a
SSDEEP

49152:NQbvhYL9wpkzrk7UHlt796h+16eUMTycWaX/Ngvv1VlHIPIV/CdQvJuJ44wPcbER:NF9wpkzrv/XUMmczWvnlo0KSj5L1Ln9

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 1 IoCs

resource	yara_rule
behavioral2/memory/4704-21-0x0000000000400000-0x0000000000426000-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
3176	powershell.exe

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	6d63f97b52c80f9d4f04deb80e15a892.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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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
20	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2480 set thread context of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100

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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d63f97b52c80f9d4f04deb80e15a892.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2936	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3176	powershell.exe
4704	vbc.exe
3176	powershell.exe
4704	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3176	powershell.exe
Token: SeDebugPrivilege	4704	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 3176	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	96
PID 2480 wrote to memory of 3176	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	96
PID 2480 wrote to memory of 3176	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	96
PID 2480 wrote to memory of 2936	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	98
PID 2480 wrote to memory of 2936	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	98
PID 2480 wrote to memory of 2936	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	98
PID 2480 wrote to memory of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100
PID 2480 wrote to memory of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100
PID 2480 wrote to memory of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100
PID 2480 wrote to memory of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100
PID 2480 wrote to memory of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100
PID 2480 wrote to memory of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100
PID 2480 wrote to memory of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100
PID 2480 wrote to memory of 4704	2480	6d63f97b52c80f9d4f04deb80e15a892.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\6d63f97b52c80f9d4f04deb80e15a892.exe
"C:\Users\Admin\AppData\Local\Temp\6d63f97b52c80f9d4f04deb80e15a892.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Vzvbbx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3176
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Vzvbbx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8A8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2936
- 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:4704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ptg35kaw.ltt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF8A8.tmp

Filesize
1KB

MD5
c5cb4c74fde6ca011aa2bcb9d72a1f1a

SHA1
6bf4516e75885213ab5ce8921b48781555456ae1

SHA256
afe5eaf8e56795dcf816712e47f0135b1c3756789e0f4c3c968ef788b5a35ebd

SHA512
ee641251e4234f8241d5a004dad35b99ffe0efb7e0f99b110257ddf65837571bed00e1759b29860e1f12e2ab6cfad92b883ab9106117bb8f384f792382dbe71d

Download Submit
memory/2480-6-0x0000000005630000-0x000000000564E000-memory.dmp

Filesize
120KB

Download
memory/2480-3-0x0000000005370000-0x0000000005402000-memory.dmp

Filesize
584KB

Download
memory/2480-4-0x0000000005540000-0x000000000554A000-memory.dmp

Filesize
40KB

Download
memory/2480-5-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/2480-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/2480-7-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/2480-8-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/2480-9-0x0000000008100000-0x000000000816C000-memory.dmp

Filesize
432KB

Download
memory/2480-10-0x000000000A890000-0x000000000A92C000-memory.dmp

Filesize
624KB

Download
memory/2480-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/2480-1-0x00000000008A0000-0x0000000000996000-memory.dmp

Filesize
984KB

Download
memory/2480-24-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3176-36-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/3176-51-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/3176-20-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3176-64-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3176-61-0x0000000007420000-0x0000000007428000-memory.dmp

Filesize
32KB

Download
memory/3176-18-0x0000000004EE0000-0x0000000005508000-memory.dmp

Filesize
6.2MB

Download
memory/3176-34-0x0000000005640000-0x0000000005662000-memory.dmp

Filesize
136KB

Download
memory/3176-16-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3176-15-0x00000000024F0000-0x0000000002526000-memory.dmp

Filesize
216KB

Download
memory/3176-35-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/3176-37-0x00000000059C0000-0x0000000005D14000-memory.dmp

Filesize
3.3MB

Download
memory/3176-38-0x0000000005DC0000-0x0000000005DDE000-memory.dmp

Filesize
120KB

Download
memory/3176-39-0x0000000005E60000-0x0000000005EAC000-memory.dmp

Filesize
304KB

Download
memory/3176-40-0x0000000006D80000-0x0000000006DB2000-memory.dmp

Filesize
200KB

Download
memory/3176-41-0x00000000700A0000-0x00000000700EC000-memory.dmp

Filesize
304KB

Download
memory/3176-19-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3176-52-0x0000000006DC0000-0x0000000006E63000-memory.dmp

Filesize
652KB

Download
memory/3176-53-0x0000000007740000-0x0000000007DBA000-memory.dmp

Filesize
6.5MB

Download
memory/3176-54-0x0000000007100000-0x000000000711A000-memory.dmp

Filesize
104KB

Download
memory/3176-55-0x0000000007170000-0x000000000717A000-memory.dmp

Filesize
40KB

Download
memory/3176-56-0x0000000007380000-0x0000000007416000-memory.dmp

Filesize
600KB

Download
memory/3176-57-0x0000000007300000-0x0000000007311000-memory.dmp

Filesize
68KB

Download
memory/3176-58-0x0000000007330000-0x000000000733E000-memory.dmp

Filesize
56KB

Download
memory/3176-59-0x0000000007340000-0x0000000007354000-memory.dmp

Filesize
80KB

Download
memory/3176-60-0x0000000007440000-0x000000000745A000-memory.dmp

Filesize
104KB

Download
memory/4704-23-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4704-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4704-65-0x00000000068A0000-0x00000000068F0000-memory.dmp

Filesize
320KB

Download
memory/4704-66-0x0000000006AC0000-0x0000000006C82000-memory.dmp

Filesize
1.8MB

Download
memory/4704-67-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download