snakekeylogger | b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a

General

Target

b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
Size

793KB
MD5

9e8fd9c35d3b5d71def38d4b8fddd0ab
SHA1

4e5a0a7301f5ebce4f36b403802165d58bddf755
SHA256

b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a
SHA512

068b79801d6e02f6cdfcfe65df364b8d81a0cc061284be72036be91a41e2994bbcdb2f73f100c69fd0945136d0b562ea7a33d55826a6cc0cf2a2a4f3de341c91
SSDEEP

12288:CNta0s5YgbYSc6GLl19xnDmkSHmJEb+5cZe/e73XsZd:pL3cnHxnKkTJEVqa3XsZd

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6321055561:AAFBfch7gvJP9JYWkjm5t-zoz8g0dXedX9U/sendMessage?chat_id=7212496360

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/2780-11-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-9-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-24-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-21-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-17-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-16-0x0000000000080000-0x00000000000A6000-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
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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.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 2688 set thread context of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30
PID 2688 wrote to memory of 2780	2688	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe

C:\Users\Admin\AppData\Local\Temp\b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
"C:\Users\Admin\AppData\Local\Temp\b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Users\Admin\AppData\Local\Temp\b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.exe
  "C:\Users\Admin\AppData\Local\Temp\b20add8b1ca2d673dcce96474e03d83b90c36f1fcf5f12e40c1b3ee18ee93f7a.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:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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 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/2688-0-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

Filesize
4KB

Download
memory/2688-1-0x0000000000210000-0x00000000002DC000-memory.dmp

Filesize
816KB

Download
memory/2688-2-0x00000000020C0000-0x0000000002116000-memory.dmp

Filesize
344KB

Download
memory/2688-3-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-4-0x0000000000790000-0x0000000000798000-memory.dmp

Filesize
32KB

Download
memory/2688-27-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-9-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2780-11-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-7-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2780-24-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2780-21-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2780-17-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2780-16-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2780-25-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-26-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-5-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2780-28-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-29-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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