snakekeylogger | 8d583ca6c10494ab0e0f8375d65e5f1f999c8ddfeab0bf4b7aa4e19bef9f0873

General

Target
23456876545ORINVOICE.exe
Size 1.4MB
Sample220404-mchewsded2
SHA256 8d583ca6c10494ab0e0f8375d65e5f1f999c8ddfeab0bf4b7aa4e19bef9f0873
MD5 8c2bad34c388dd46afd2b4610428ab6d
SHA1 52f698972faf4215f1a1292cde3c2c0c506de88c
SHA512 a16e36d9c597aab8a0fefa9e2c39524cfee31248c49e2540404ad244d7f715bfc8b2644f1299ace1cd5e82e5c09fe9fb24a04cd3f700f76c52e226cd551c624e
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
birtatpastanesi.com
Port
587
Username
[email protected]
Password
yg5qrt94
Email to
[email protected]

C2

https://api.telegram.org/bot5191427034:AAF7Hd96Eem6iHiobxfishPjOx2vSkHqBM8/sendMessage?chat_id=1673751470

Signatures

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

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2056-132-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger

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-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23456876545ORINVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23456876545ORINVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23456876545ORINVOICE.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
18	freegeoip.app
19	freegeoip.app
16	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 2056	2292	23456876545ORINVOICE.exe	82

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2292	23456876545ORINVOICE.exe
2292	23456876545ORINVOICE.exe
2056	23456876545ORINVOICE.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	23456876545ORINVOICE.exe
Token: SeDebugPrivilege	2056	23456876545ORINVOICE.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 1704	2292	23456876545ORINVOICE.exe	81
PID 2292 wrote to memory of 1704	2292	23456876545ORINVOICE.exe	81
PID 2292 wrote to memory of 1704	2292	23456876545ORINVOICE.exe	81
PID 2292 wrote to memory of 2056	2292	23456876545ORINVOICE.exe	82
PID 2292 wrote to memory of 2056	2292	23456876545ORINVOICE.exe	82
PID 2292 wrote to memory of 2056	2292	23456876545ORINVOICE.exe	82
PID 2292 wrote to memory of 2056	2292	23456876545ORINVOICE.exe	82
PID 2292 wrote to memory of 2056	2292	23456876545ORINVOICE.exe	82
PID 2292 wrote to memory of 2056	2292	23456876545ORINVOICE.exe	82
PID 2292 wrote to memory of 2056	2292	23456876545ORINVOICE.exe	82
PID 2292 wrote to memory of 2056	2292	23456876545ORINVOICE.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23456876545ORINVOICE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23456876545ORINVOICE.exe

C:\Users\Admin\AppData\Local\Temp\23456876545ORINVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\23456876545ORINVOICE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\23456876545ORINVOICE.exe
  "C:\Users\Admin\AppData\Local\Temp\23456876545ORINVOICE.exe"
  2⤵
  PID:1704
- C:\Users\Admin\AppData\Local\Temp\23456876545ORINVOICE.exe
  "C:\Users\Admin\AppData\Local\Temp\23456876545ORINVOICE.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

23456876545ORINVOICE.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\23456876545ORINVOICE.exe.log
Size 1KB
SHA256 1ccd81d339d51696fa8569e0ea179873452e8aa087b14a397538cda74996fe00
MD5 8323fae9fbc8238dfd3efdc87ac3534c
SHA1 d88623828a38d6b528963a32902c9f336a08942e
SHA512 9a50d78360761b85c2b49fd2959744c004a74600ffef5756391fec0f02c8aafc6061a028518808693297f03e9fc65067e3d4b29d876ed70eb8e2ad9094d246c3
MD5 SHA1 SHA512

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memory/2056-132-0x0000000000400000-0x000000000047C000-memory.dmp

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memory/2292-124-0x00000000004D0000-0x000000000063C000-memory.dmp

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memory/2292-125-0x0000000005670000-0x0000000005C14000-memory.dmp

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memory/2292-126-0x0000000004FC0000-0x0000000005052000-memory.dmp

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memory/2292-127-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

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memory/2292-128-0x0000000007760000-0x00000000077FC000-memory.dmp

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memory/2292-129-0x0000000007BA0000-0x0000000007C06000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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