snakekeylogger | f16f5b66b28bdb84d133d7d67a12f53afe5e63d805f34f797ae96a9b1006b365

General

Target

Details.exe
Size

577KB
MD5

e328f12368b652d52f238b3a5a1948fd
SHA1

e8c6c88cd87d0a65fca4a3f8cdf821995ab86872
SHA256

c89709f474627c37263baf7408a5bd77b5d53ec109cccbab0ad536e89e42eefc
SHA512

3372ff023614b0ca4c1828869aaff3ae054fe038ad4bfdb4e67e280de87e9f4d6fcbb834b1f49be6561a4c5980b9a1026001a177533b1e298b856bc158fe2b9a
SSDEEP

12288:ZbRKjP7neRjE8lHLrddFEX6nVTsYurrpLXqvXPgd:DKjP7eW8lHLrnFEKJGrRp

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7492212361:AAF_J7Ggqch6d5jLanPykrhrRKGFyphjKVo/sendMessage?chat_id=7463064549

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4564-13-0x0000000000170000-0x0000000000196000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Details.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Details.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Details.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	reallyfreegeoip.org
8	checkip.dyndns.org
15	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3304 set thread context of 4564	3304	Details.exe	83

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4564	Details.exe
4564	Details.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4564	Details.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 4564	3304	Details.exe	83
PID 3304 wrote to memory of 4564	3304	Details.exe	83
PID 3304 wrote to memory of 4564	3304	Details.exe	83
PID 3304 wrote to memory of 4564	3304	Details.exe	83
PID 3304 wrote to memory of 4564	3304	Details.exe	83
PID 3304 wrote to memory of 4564	3304	Details.exe	83
PID 3304 wrote to memory of 4564	3304	Details.exe	83
PID 3304 wrote to memory of 4564	3304	Details.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Details.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Details.exe

C:\Users\Admin\AppData\Local\Temp\Details.exe
"C:\Users\Admin\AppData\Local\Temp\Details.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Users\Admin\AppData\Local\Temp\Details.exe
  "C:\Users\Admin\AppData\Local\Temp\Details.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:4564

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

Loading Replay Monitor...

Downloads

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

Filesize
706B

MD5
2ef5ef69dadb8865b3d5b58c956077b8

SHA1
af2d869bac00685c745652bbd8b3fe82829a8998

SHA256
363502eb2a4e53ba02d2d85412b901fcf8e06de221736bdffa949799ef3d21e3

SHA512
66d4db5dd17d88e1d54ea0df3a7211a503dc4355de701259cefccc9f2e4e3ced9534b700099ffbb089a5a3acb082011c80b61801aa14aff76b379ce8f90d4fd3

Download Submit
memory/3304-12-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3304-1-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/3304-2-0x0000000004E20000-0x0000000004E76000-memory.dmp

Filesize
344KB

Download
memory/3304-3-0x00000000055E0000-0x0000000005B84000-memory.dmp

Filesize
5.6MB

Download
memory/3304-4-0x0000000004F70000-0x0000000005002000-memory.dmp

Filesize
584KB

Download
memory/3304-5-0x00000000050D0000-0x000000000516C000-memory.dmp

Filesize
624KB

Download
memory/3304-6-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3304-7-0x0000000004F20000-0x0000000004F28000-memory.dmp

Filesize
32KB

Download
memory/3304-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

Filesize
4KB

Download
memory/4564-11-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/4564-13-0x0000000000170000-0x0000000000196000-memory.dmp

Filesize
152KB

Download
memory/4564-14-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/4564-15-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/4564-16-0x0000000005F60000-0x0000000005FB0000-memory.dmp

Filesize
320KB

Download
memory/4564-17-0x0000000006180000-0x0000000006342000-memory.dmp

Filesize
1.8MB

Download
memory/4564-18-0x0000000005FE0000-0x0000000005FEA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing