snakekeylogger | c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 08:33

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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 1 IoCs

resource	yara_rule
behavioral2/memory/788-21-0x0000000000400000-0x0000000000426000-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
3936	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	d75592cbb9d3ba728f0b27ad6218152c.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\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
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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
23	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3824 set thread context of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101

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
3044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3824	d75592cbb9d3ba728f0b27ad6218152c.exe
3824	d75592cbb9d3ba728f0b27ad6218152c.exe
3936	powershell.exe
788	vbc.exe
3936	powershell.exe
788	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3824	d75592cbb9d3ba728f0b27ad6218152c.exe
Token: SeDebugPrivilege	3936	powershell.exe
Token: SeDebugPrivilege	788	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 3936	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	97
PID 3824 wrote to memory of 3936	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	97
PID 3824 wrote to memory of 3936	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	97
PID 3824 wrote to memory of 3044	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	99
PID 3824 wrote to memory of 3044	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	99
PID 3824 wrote to memory of 3044	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	99
PID 3824 wrote to memory of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101
PID 3824 wrote to memory of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101
PID 3824 wrote to memory of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101
PID 3824 wrote to memory of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101
PID 3824 wrote to memory of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101
PID 3824 wrote to memory of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101
PID 3824 wrote to memory of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101
PID 3824 wrote to memory of 788	3824	d75592cbb9d3ba728f0b27ad6218152c.exe	101

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\d75592cbb9d3ba728f0b27ad6218152c.exe
"C:\Users\Admin\AppData\Local\Temp\d75592cbb9d3ba728f0b27ad6218152c.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824
- 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:3936
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YlGewDdvEIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC15.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3044
- 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:788

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_3o24wz3g.aqs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEC15.tmp

Filesize
1KB

MD5
2dd7a6aeb8e66dabb7c064b146a3d68a

SHA1
b1498e6a79b774b7b425ec159eb3f82952ed0799

SHA256
27dbbd3284f095158fd70735f4dcb0763678a53758c8ee7666e4898e2b3e3c0c

SHA512
0c49bf51e8170a58d8ef8ab1651f093a365a96822ea06daae7e9cc6d1184d11b790db5abe087e95d539747a7eeda53c65644526cb854132c1ce0e421406f4b16

Download Submit
memory/788-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/788-65-0x0000000006220000-0x0000000006270000-memory.dmp

Filesize
320KB

Download
memory/788-26-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/788-66-0x0000000006440000-0x0000000006602000-memory.dmp

Filesize
1.8MB

Download
memory/788-67-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3824-4-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3824-8-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

Filesize
4KB

Download
memory/3824-9-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3824-10-0x0000000007160000-0x00000000071CC000-memory.dmp

Filesize
432KB

Download
memory/3824-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

Filesize
4KB

Download
memory/3824-7-0x0000000005D60000-0x0000000005D78000-memory.dmp

Filesize
96KB

Download
memory/3824-6-0x0000000005C80000-0x0000000005D1C000-memory.dmp

Filesize
624KB

Download
memory/3824-5-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/3824-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

Filesize
584KB

Download
memory/3824-2-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/3824-1-0x0000000000F20000-0x0000000000FB2000-memory.dmp

Filesize
584KB

Download
memory/3824-27-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3936-15-0x0000000002EB0000-0x0000000002EE6000-memory.dmp

Filesize
216KB

Download
memory/3936-54-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

Filesize
104KB

Download
memory/3936-25-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/3936-20-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3936-34-0x0000000006170000-0x00000000064C4000-memory.dmp

Filesize
3.3MB

Download
memory/3936-23-0x0000000005FF0000-0x0000000006012000-memory.dmp

Filesize
136KB

Download
memory/3936-38-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/3936-39-0x00000000067C0000-0x000000000680C000-memory.dmp

Filesize
304KB

Download
memory/3936-40-0x0000000006D50000-0x0000000006D82000-memory.dmp

Filesize
200KB

Download
memory/3936-41-0x0000000070A90000-0x0000000070ADC000-memory.dmp

Filesize
304KB

Download
memory/3936-51-0x0000000006D30000-0x0000000006D4E000-memory.dmp

Filesize
120KB

Download
memory/3936-52-0x0000000007980000-0x0000000007A23000-memory.dmp

Filesize
652KB

Download
memory/3936-53-0x00000000080F0000-0x000000000876A000-memory.dmp

Filesize
6.5MB

Download
memory/3936-24-0x0000000006090000-0x00000000060F6000-memory.dmp

Filesize
408KB

Download
memory/3936-55-0x0000000007B20000-0x0000000007B2A000-memory.dmp

Filesize
40KB

Download
memory/3936-56-0x0000000007D30000-0x0000000007DC6000-memory.dmp

Filesize
600KB

Download
memory/3936-57-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

Filesize
68KB

Download
memory/3936-58-0x0000000007CE0000-0x0000000007CEE000-memory.dmp

Filesize
56KB

Download
memory/3936-59-0x0000000007CF0000-0x0000000007D04000-memory.dmp

Filesize
80KB

Download
memory/3936-60-0x0000000007DF0000-0x0000000007E0A000-memory.dmp

Filesize
104KB

Download
memory/3936-61-0x0000000007DD0000-0x0000000007DD8000-memory.dmp

Filesize
32KB

Download
memory/3936-64-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3936-19-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3936-18-0x0000000005890000-0x0000000005EB8000-memory.dmp

Filesize
6.2MB

Download
memory/3936-17-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download