snakekeylogger | 5659153bcd17b99af97aa2ff7e721a91e76e76ddd1a82e6951d4b873b138a978

General

Target
BANK DETAILS.exe
Size 914KB
Sample221007-x7st8adcc4
SHA256 5659153bcd17b99af97aa2ff7e721a91e76e76ddd1a82e6951d4b873b138a978
MD5 766d32309b91cde35fa670be97bb3409
SHA1 2e670b5fdcf9c65df81283b4f9d13904516f5ca6
SHA512 cb72c53580686f4234fefe0fbfbacf86cf35d95387fb170424e841c6fbec40d31f115d19ef13d63ca638c988a6639f2069c9162a874bca59c353a1271d8b0e15
SSDEEP 12288:E7ADqjJ5nXr9BEYGth9Z3yGKsAEhz3qqGthPP/eYc1l8XP1zsjExyvVlBWwt4RFk:EzjrXr9BEJ79ZCGKsAutGduYc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5227573794:AAECZBnQSxLs0aOVsV2wnclC6-WKnxPpi_k/sendMessage?chat_id=5217421430

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2628-141-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	BANK DETAILS.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK DETAILS.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK DETAILS.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK DETAILS.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
32	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4660 set thread context of 2628	4660	BANK DETAILS.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4660	BANK DETAILS.exe
4660	BANK DETAILS.exe
4660	BANK DETAILS.exe
4660	BANK DETAILS.exe
4660	BANK DETAILS.exe
4660	BANK DETAILS.exe
2628	BANK DETAILS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4660	BANK DETAILS.exe
Token: SeDebugPrivilege	2628	BANK DETAILS.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 2392	4660	BANK DETAILS.exe	91
PID 4660 wrote to memory of 2392	4660	BANK DETAILS.exe	91
PID 4660 wrote to memory of 2392	4660	BANK DETAILS.exe	91
PID 4660 wrote to memory of 1916	4660	BANK DETAILS.exe	93
PID 4660 wrote to memory of 1916	4660	BANK DETAILS.exe	93
PID 4660 wrote to memory of 1916	4660	BANK DETAILS.exe	93
PID 4660 wrote to memory of 2628	4660	BANK DETAILS.exe	94
PID 4660 wrote to memory of 2628	4660	BANK DETAILS.exe	94
PID 4660 wrote to memory of 2628	4660	BANK DETAILS.exe	94
PID 4660 wrote to memory of 2628	4660	BANK DETAILS.exe	94
PID 4660 wrote to memory of 2628	4660	BANK DETAILS.exe	94
PID 4660 wrote to memory of 2628	4660	BANK DETAILS.exe	94
PID 4660 wrote to memory of 2628	4660	BANK DETAILS.exe	94
PID 4660 wrote to memory of 2628	4660	BANK DETAILS.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK DETAILS.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK DETAILS.exe

C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe
"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LPAbAWnXc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp471B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2392
- C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe
  "{path}"
  2⤵
  PID:1916
- C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

BANK DETAILS.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BANK DETAILS.exe.log
Size 1KB
SHA256 b503f7214e23e0c8881eba99991af376427074bd9410e2a52fcf009b0a73db9e
MD5 21e594849d9d68d6e77d327848021e5c
SHA1 812590cb60e0e7d11f0350ea46a484a2758178c2
SHA512 8c63c8ae84d626869f93af20a5dcc46fd26cdf4573848631adfe905313dea255d3c2337f7d45a63e72dc9297c60d7a18107bbf72b34e4b448109797aaa50377a
MD5 SHA1 SHA512

Submit Download

tmp471B.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp471B.tmp
Size 1KB
SHA256 07248ec964373f4137902ce625939d6b5ce74a3609c89af0b4eef9a6e7812fd2
MD5 73a1c0aa6593d01ceed87167a101d0ff
SHA1 abd5f4c9bd3a864e20199987e30e5f82ca72d4b2
SHA512 863cc917a3e01c4805263090749e351f6de1b918897e84f65d9af155eaa0055f02fc8159b757f9606acfcbaf91cf80f1d9649b2963b539a4f20fb921456a7ade
MD5 SHA1 SHA512

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memory/2628-141-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2628-143-0x0000000006A60000-0x0000000006C22000-memory.dmp

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memory/4660-132-0x0000000000400000-0x00000000004EA000-memory.dmp

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memory/4660-133-0x00000000055F0000-0x0000000005B94000-memory.dmp

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memory/4660-134-0x0000000005220000-0x00000000052B2000-memory.dmp

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memory/4660-135-0x0000000005360000-0x00000000053FC000-memory.dmp

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memory/4660-136-0x00000000052D0000-0x00000000052DA000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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