snakekeylogger | 982f939b9103cee54a1cbfad0a458bace7b6d6d266f976c6b4d72336f57bc702

General

Target

Purchase Order.exe
Size

618KB
MD5

d3b15e236df60a0e551bf21a26718250
SHA1

66626b523351b325c5d58569ec29d6a197698345
SHA256

dbc06aa2f5d8c73c079f19b7799691da6109b3a2afa2ea066c90afbab963acc2
SHA512

c4727719c3ec92599e6b0db89c197d102bccc1600c67089ec01bdf3cf1b075b79154febb29b69ac5303495f0859353a527a8583aee5e4ede8e217529e2b4c6b1
SSDEEP

6144:5o5JyDt117h5r2V96LUAqGMkMaAxfdXLJHOoOyX9nK6OyJvW/SNRaOlmDD9LGwYd:5RGGUAqGmJd9n1OyJOKtlm9pYr+0

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
Leternel01@

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4004-11-0x0000000000400000-0x0000000000426000-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-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.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
13	checkip.dyndns.org
15	reallyfreegeoip.org
16	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3708 set thread context of 4004	3708	Purchase Order.exe	85

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3708	Purchase Order.exe
3708	Purchase Order.exe
4004	Purchase Order.exe
4004	Purchase Order.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3708	Purchase Order.exe
Token: SeDebugPrivilege	4004	Purchase Order.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3708	Purchase Order.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3708	Purchase Order.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 4004	3708	Purchase Order.exe	85
PID 3708 wrote to memory of 4004	3708	Purchase Order.exe	85
PID 3708 wrote to memory of 4004	3708	Purchase Order.exe	85
PID 3708 wrote to memory of 4004	3708	Purchase Order.exe	85
PID 3708 wrote to memory of 4004	3708	Purchase Order.exe	85
PID 3708 wrote to memory of 4004	3708	Purchase Order.exe	85
PID 3708 wrote to memory of 4004	3708	Purchase Order.exe	85
PID 3708 wrote to memory of 4004	3708	Purchase Order.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order.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:4004

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

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Downloads

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

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3708-4-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3708-3-0x0000000005890000-0x0000000005922000-memory.dmp

Filesize
584KB

Download
memory/3708-10-0x000000000DC60000-0x000000000DCFC000-memory.dmp

Filesize
624KB

Download
memory/3708-9-0x0000000003080000-0x00000000030EC000-memory.dmp

Filesize
432KB

Download
memory/3708-5-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/3708-6-0x00000000071D0000-0x00000000071EE000-memory.dmp

Filesize
120KB

Download
memory/3708-7-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/3708-8-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3708-15-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3708-2-0x0000000005DA0000-0x0000000006344000-memory.dmp

Filesize
5.6MB

Download
memory/3708-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/3708-1-0x0000000000DD0000-0x0000000000E70000-memory.dmp

Filesize
640KB

Download
memory/4004-14-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-19-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-16-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-17-0x0000000006BB0000-0x0000000006C00000-memory.dmp

Filesize
320KB

Download
memory/4004-18-0x0000000006DD0000-0x0000000006F92000-memory.dmp

Filesize
1.8MB

Download
memory/4004-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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