snakekeylogger | 903260123ec05ac23239a978bcc9f86be2c20c3addc106dfbc4c73cffe2f3633

Analysis

max time kernel
134s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-09-2024 07:59

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General

Target

kyvjZrZUIQrUUSB.exe
Size

525KB
MD5

e1207823cb70e5b4aae2cd8b41994516
SHA1

b767a0d40cb65167de0d4c39eee9ba0599d95834
SHA256

903260123ec05ac23239a978bcc9f86be2c20c3addc106dfbc4c73cffe2f3633
SHA512

b220c3c85a64d4dc037ced9d0417bb99cd3ce30acdbe1264694f73aa04686291e241b1b7c34e4fb0d3a99751a38c59e03abbf47d474658a6223c6be3e7f9bddb
SSDEEP

12288:UrJwfqoQ6BxGBYoyM64aibR570f+2fth64CSn0qHQcMSyFtvGKkR:jBx20M64au0meSdYQbSyq

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7013350856:AAEMW-L9OH6xJPBSHadxtnabC3gFbH_e250/sendMessage?chat_id=7239159003

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2672-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
3444	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	kyvjZrZUIQrUUSB.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kyvjZrZUIQrUUSB.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kyvjZrZUIQrUUSB.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kyvjZrZUIQrUUSB.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
15	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 552 set thread context of 2672	552	kyvjZrZUIQrUUSB.exe	90

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 3 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kyvjZrZUIQrUUSB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kyvjZrZUIQrUUSB.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2672	kyvjZrZUIQrUUSB.exe
3444	powershell.exe
3444	powershell.exe
2672	kyvjZrZUIQrUUSB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	kyvjZrZUIQrUUSB.exe
Token: SeDebugPrivilege	3444	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 3444	552	kyvjZrZUIQrUUSB.exe	89
PID 552 wrote to memory of 3444	552	kyvjZrZUIQrUUSB.exe	89
PID 552 wrote to memory of 3444	552	kyvjZrZUIQrUUSB.exe	89
PID 552 wrote to memory of 2672	552	kyvjZrZUIQrUUSB.exe	90
PID 552 wrote to memory of 2672	552	kyvjZrZUIQrUUSB.exe	90
PID 552 wrote to memory of 2672	552	kyvjZrZUIQrUUSB.exe	90
PID 552 wrote to memory of 2672	552	kyvjZrZUIQrUUSB.exe	90
PID 552 wrote to memory of 2672	552	kyvjZrZUIQrUUSB.exe	90
PID 552 wrote to memory of 2672	552	kyvjZrZUIQrUUSB.exe	90
PID 552 wrote to memory of 2672	552	kyvjZrZUIQrUUSB.exe	90
PID 552 wrote to memory of 2672	552	kyvjZrZUIQrUUSB.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kyvjZrZUIQrUUSB.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kyvjZrZUIQrUUSB.exe

C:\Users\Admin\AppData\Local\Temp\kyvjZrZUIQrUUSB.exe
"C:\Users\Admin\AppData\Local\Temp\kyvjZrZUIQrUUSB.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:552
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\kyvjZrZUIQrUUSB.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3444
- C:\Users\Admin\AppData\Local\Temp\kyvjZrZUIQrUUSB.exe
  "C:\Users\Admin\AppData\Local\Temp\kyvjZrZUIQrUUSB.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:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\kyvjZrZUIQrUUSB.exe.log

Filesize
1KB

MD5
31f95c36ee4b5ac1ffcbdc89b3bcabc0

SHA1
d38fddab78283c1cc05cc55652222cd7e5a484aa

SHA256
88486792973340aafc9db775eadfaa849d05a5e2ed25a38e67febcdf70213ce6

SHA512
9acb665346143d8622613d047502a65615ea369db94281b20cb5bea6dac18f397f8c0144e8d4a201d94cd36b229ad9a31ce4a4a11e1fdcd19e6496a035032072

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lxsvqh1a.qct.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/552-10-0x0000000006DA0000-0x0000000006E08000-memory.dmp

Filesize
416KB

Download
memory/552-11-0x0000000009430000-0x00000000094CC000-memory.dmp

Filesize
624KB

Download
memory/552-4-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/552-5-0x0000000005180000-0x000000000518A000-memory.dmp

Filesize
40KB

Download
memory/552-6-0x0000000006AE0000-0x0000000006B5A000-memory.dmp

Filesize
488KB

Download
memory/552-7-0x00000000052A0000-0x00000000052AE000-memory.dmp

Filesize
56KB

Download
memory/552-8-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/552-9-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/552-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/552-3-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/552-1-0x0000000000660000-0x00000000006E6000-memory.dmp

Filesize
536KB

Download
memory/552-2-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download
memory/552-16-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/2672-15-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/2672-65-0x0000000006620000-0x00000000067E2000-memory.dmp

Filesize
1.8MB

Download
memory/2672-64-0x0000000006400000-0x0000000006450000-memory.dmp

Filesize
320KB

Download
memory/2672-19-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/2672-63-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/2672-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3444-21-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/3444-52-0x0000000007830000-0x000000000784A000-memory.dmp

Filesize
104KB

Download
memory/3444-22-0x0000000006120000-0x0000000006186000-memory.dmp

Filesize
408KB

Download
memory/3444-33-0x0000000006190000-0x00000000064E4000-memory.dmp

Filesize
3.3MB

Download
memory/3444-34-0x0000000006710000-0x000000000672E000-memory.dmp

Filesize
120KB

Download
memory/3444-36-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/3444-37-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/3444-35-0x0000000006BF0000-0x0000000006C3C000-memory.dmp

Filesize
304KB

Download
memory/3444-38-0x0000000006D00000-0x0000000006D32000-memory.dmp

Filesize
200KB

Download
memory/3444-39-0x0000000070040000-0x000000007008C000-memory.dmp

Filesize
304KB

Download
memory/3444-49-0x0000000006CE0000-0x0000000006CFE000-memory.dmp

Filesize
120KB

Download
memory/3444-50-0x0000000007720000-0x00000000077C3000-memory.dmp

Filesize
652KB

Download
memory/3444-51-0x0000000008140000-0x00000000087BA000-memory.dmp

Filesize
6.5MB

Download
memory/3444-23-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/3444-53-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

Filesize
40KB

Download
memory/3444-54-0x0000000007CC0000-0x0000000007D56000-memory.dmp

Filesize
600KB

Download
memory/3444-55-0x0000000007C40000-0x0000000007C51000-memory.dmp

Filesize
68KB

Download
memory/3444-56-0x0000000007C70000-0x0000000007C7E000-memory.dmp

Filesize
56KB

Download
memory/3444-57-0x0000000007C80000-0x0000000007C94000-memory.dmp

Filesize
80KB

Download
memory/3444-58-0x0000000007D80000-0x0000000007D9A000-memory.dmp

Filesize
104KB

Download
memory/3444-59-0x0000000007D60000-0x0000000007D68000-memory.dmp

Filesize
32KB

Download
memory/3444-62-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/3444-20-0x0000000005750000-0x0000000005772000-memory.dmp

Filesize
136KB

Download
memory/3444-18-0x0000000005A80000-0x00000000060A8000-memory.dmp

Filesize
6.2MB

Download
memory/3444-17-0x0000000002DF0000-0x0000000002E26000-memory.dmp

Filesize
216KB

Download