snakekeylogger | 076cff7f23ef4560af258b930ecc0f43654d86e754314557238a3edb1191f63a

General

Target

Yx3p9h2BuT3fGLE.exe
Size

556KB
MD5

49dd86eee043ea73a894b42b4c6a4f6f
SHA1

69f67588f4dc75fb5fbc691058bc48893db544c3
SHA256

891a20a58690590fbd03bcb8954a327fbb069dc8f3bdba12b2bf29570eabefd7
SHA512

70a956db957917d54a53bdc34410c5c308433d9d05c283522d29a8d02649a898a7d8576515010c22610338a5cb44967494ad191463c0aa6b44df700c99bd290b
SSDEEP

12288:UF5pr/s0/DK2GsSiIKEkgWQeqeuseocKE692O8bQbmkR:AZs+DKdsQfWzNuhKEhI9

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.securemail.pro
Port:
587
Username:
[email protected]
Password:
jrpM0Y5k
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/2708-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2708-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2708-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2708-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2708-11-0x0000000000400000-0x0000000000426000-memory.dmp	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
2696	powershell.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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Yx3p9h2BuT3fGLE.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Yx3p9h2BuT3fGLE.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Yx3p9h2BuT3fGLE.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2708	2280	Yx3p9h2BuT3fGLE.exe	32

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	Yx3p9h2BuT3fGLE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Yx3p9h2BuT3fGLE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2280	Yx3p9h2BuT3fGLE.exe
2280	Yx3p9h2BuT3fGLE.exe
2708	Yx3p9h2BuT3fGLE.exe
2696	powershell.exe
2708	Yx3p9h2BuT3fGLE.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	Yx3p9h2BuT3fGLE.exe
Token: SeDebugPrivilege	2708	Yx3p9h2BuT3fGLE.exe
Token: SeDebugPrivilege	2696	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2696	2280	Yx3p9h2BuT3fGLE.exe	31
PID 2280 wrote to memory of 2696	2280	Yx3p9h2BuT3fGLE.exe	31
PID 2280 wrote to memory of 2696	2280	Yx3p9h2BuT3fGLE.exe	31
PID 2280 wrote to memory of 2696	2280	Yx3p9h2BuT3fGLE.exe	31
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32
PID 2280 wrote to memory of 2708	2280	Yx3p9h2BuT3fGLE.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Yx3p9h2BuT3fGLE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Yx3p9h2BuT3fGLE.exe

C:\Users\Admin\AppData\Local\Temp\Yx3p9h2BuT3fGLE.exe
"C:\Users\Admin\AppData\Local\Temp\Yx3p9h2BuT3fGLE.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280
- 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\Yx3p9h2BuT3fGLE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\Yx3p9h2BuT3fGLE.exe
  "C:\Users\Admin\AppData\Local\Temp\Yx3p9h2BuT3fGLE.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:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2280-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/2280-1-0x0000000001150000-0x00000000011DE000-memory.dmp

Filesize
568KB

Download
memory/2280-2-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-3-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/2280-4-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/2280-5-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-6-0x0000000005770000-0x00000000057D8000-memory.dmp

Filesize
416KB

Download
memory/2280-24-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-23-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-25-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-28-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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