snakekeylogger | aaa1238cff25c9609f089d345d805e5ea580e9e9cddfcdd640e446d0dfa3ad27

General

Target

proforma invoice.exe
Size

486KB
MD5

9c6c327f42df226c0c09561218bb5119
SHA1

2dc652211fdb2b9d0690e6a1d2f692a0c04af2bc
SHA256

aaa1238cff25c9609f089d345d805e5ea580e9e9cddfcdd640e446d0dfa3ad27
SHA512

70449ac67b625f207a33f1231dca0636c5a9f2837d1d8492ddff394d28f301aa79581fb559502b4d908ad3598f8925e491b3f465de467893c195c7ee44a9f4db

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.faks-allied-health.com
Port:
587
Username:
[email protected]
Password:
$Faks1234

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.faks-allied-health.com
Port:
587
Username:
[email protected]
Password:
$Faks1234
Email To:
[email protected]

Signatures

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

Snake Keylogger Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/760-61-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/760-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/760-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/760-64-0x0000000000400000-0x0000000000426000-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

Processes:

proforma invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.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.

Processes:

flow ioc

4 checkip.dyndns.org
8 freegeoip.app
9 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

proforma invoice.exe

description pid process target process

PID 1580 set thread context of 760 1580 proforma invoice.exe proforma invoice.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

proforma invoice.exe

pid process

760 proforma invoice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

proforma invoice.exe

description pid process

Token: SeDebugPrivilege 760 proforma invoice.exe

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

description	pid	process	target process
PID 1580 set thread context of 760	1580	proforma invoice.exe	proforma invoice.exe

pid	process
760	proforma invoice.exe

description	pid	process
Token: SeDebugPrivilege	760	proforma invoice.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

proforma invoice.exe

description	pid	process	target process
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe
PID 1580 wrote to memory of 760	1580	proforma invoice.exe	proforma invoice.exe

outlook_office_path 1 IoCs

Processes:

proforma invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

outlook_win_path 1 IoCs

Processes:

proforma invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:760

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

memory/760-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/760-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/760-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/760-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/760-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/760-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/760-66-0x0000000004960000-0x0000000004961000-memory.dmp

Filesize
4KB

Download
memory/1580-54-0x0000000000AA0000-0x0000000000B20000-memory.dmp

Filesize
512KB

Download
memory/1580-55-0x00000000754B1000-0x00000000754B3000-memory.dmp

Filesize
8KB

Download
memory/1580-56-0x0000000004930000-0x0000000004931000-memory.dmp

Filesize
4KB

Download
memory/1580-57-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/1580-58-0x00000000022A0000-0x00000000022F2000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads