snakekeylogger | c8e5cb57dae2f793b69092899e0ef525127ce2a75d93eb2be4d6d88e520cec67

General

Target

5456789FU.exe
Size

341KB
MD5

7635f02f9acbe9edcd9cf3812ce43288
SHA1

b685dc10021896b0f67534cc360e65d98778a559
SHA256

c8e5cb57dae2f793b69092899e0ef525127ce2a75d93eb2be4d6d88e520cec67
SHA512

be824b5ffd67b08e6ddf0c33fa02f9ae27f7afe73d26e535b59cc00c05973c2af5f71da7c88485bb411dc3577c9e68e8e0e1cf329fb2ddd8ec657d4b07210228
SSDEEP

6144:zTFBekEYjeX+nsL+4phL6EgBJXWt7mDs66DSl4gGhQxTrhhBxRYy1+aePTFIfmeC:HekEYjeX+mLaJXm7mI66ul4NQxTxxRYl

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.sienkakupeste.com
Port:
587
Username:
[email protected]
Password:
010203sienka++
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1660-154-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	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
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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5456789FU.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5456789FU.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5456789FU.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
14	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1280 set thread context of 1660	1280	5456789FU.exe	87

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
720	Powershell.exe
1660	5456789FU.exe
720	Powershell.exe
1660	5456789FU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	720	Powershell.exe
Token: SeDebugPrivilege	1660	5456789FU.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 720	1280	5456789FU.exe	83
PID 1280 wrote to memory of 720	1280	5456789FU.exe	83
PID 1280 wrote to memory of 720	1280	5456789FU.exe	83
PID 1280 wrote to memory of 1500	1280	5456789FU.exe	85
PID 1280 wrote to memory of 1500	1280	5456789FU.exe	85
PID 1280 wrote to memory of 1500	1280	5456789FU.exe	85
PID 1280 wrote to memory of 2804	1280	5456789FU.exe	86
PID 1280 wrote to memory of 2804	1280	5456789FU.exe	86
PID 1280 wrote to memory of 2804	1280	5456789FU.exe	86
PID 1280 wrote to memory of 1660	1280	5456789FU.exe	87
PID 1280 wrote to memory of 1660	1280	5456789FU.exe	87
PID 1280 wrote to memory of 1660	1280	5456789FU.exe	87
PID 1280 wrote to memory of 1660	1280	5456789FU.exe	87
PID 1280 wrote to memory of 1660	1280	5456789FU.exe	87
PID 1280 wrote to memory of 1660	1280	5456789FU.exe	87
PID 1280 wrote to memory of 1660	1280	5456789FU.exe	87
PID 1280 wrote to memory of 1660	1280	5456789FU.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5456789FU.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5456789FU.exe

C:\Users\Admin\AppData\Local\Temp\5456789FU.exe
"C:\Users\Admin\AppData\Local\Temp\5456789FU.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\5456789FU.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:720
- C:\Users\Admin\AppData\Local\Temp\5456789FU.exe
  "C:\Users\Admin\AppData\Local\Temp\5456789FU.exe"
  2⤵
  PID:1500
- C:\Users\Admin\AppData\Local\Temp\5456789FU.exe
  "C:\Users\Admin\AppData\Local\Temp\5456789FU.exe"
  2⤵
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\5456789FU.exe
  "C:\Users\Admin\AppData\Local\Temp\5456789FU.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jt5qph4c.ahz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/720-138-0x0000000005A70000-0x0000000006098000-memory.dmp

Filesize
6.2MB

Download
memory/720-149-0x0000000002FF0000-0x0000000003000000-memory.dmp

Filesize
64KB

Download
memory/720-160-0x0000000006E70000-0x0000000006E92000-memory.dmp

Filesize
136KB

Download
memory/720-137-0x0000000002FA0000-0x0000000002FD6000-memory.dmp

Filesize
216KB

Download
memory/720-159-0x0000000006E20000-0x0000000006E3A000-memory.dmp

Filesize
104KB

Download
memory/720-139-0x0000000005910000-0x0000000005932000-memory.dmp

Filesize
136KB

Download
memory/720-140-0x00000000059B0000-0x0000000005A16000-memory.dmp

Filesize
408KB

Download
memory/720-141-0x00000000060A0000-0x0000000006106000-memory.dmp

Filesize
408KB

Download
memory/720-148-0x0000000002FF0000-0x0000000003000000-memory.dmp

Filesize
64KB

Download
memory/720-158-0x0000000007910000-0x00000000079A6000-memory.dmp

Filesize
600KB

Download
memory/720-156-0x0000000006940000-0x000000000695E000-memory.dmp

Filesize
120KB

Download
memory/1280-147-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/1280-135-0x0000000005AE0000-0x0000000005B72000-memory.dmp

Filesize
584KB

Download
memory/1280-134-0x0000000006090000-0x0000000006634000-memory.dmp

Filesize
5.6MB

Download
memory/1280-133-0x0000000000F90000-0x0000000000FEC000-memory.dmp

Filesize
368KB

Download
memory/1280-136-0x0000000005B80000-0x0000000005C1C000-memory.dmp

Filesize
624KB

Download
memory/1660-154-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1660-157-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/1660-164-0x00000000062D0000-0x0000000006492000-memory.dmp

Filesize
1.8MB

Download
memory/1660-165-0x0000000006260000-0x000000000626A000-memory.dmp

Filesize
40KB

Download
memory/1660-166-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download

Analysis

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