snakekeylogger | 82fc274736d5f4e6fefd8a01f3b2557b242918db92d8f3a479ab087b3fdfc66f

General

Target

Shipment Invoice.exe
Size

836KB
MD5

7e760e5843c87da09e42d782ec8917f6
SHA1

ee963befdf3116b78126d03db5dc49307da29ce8
SHA256

82fc274736d5f4e6fefd8a01f3b2557b242918db92d8f3a479ab087b3fdfc66f
SHA512

d1e960d946f5a98204fdda46fa0d28eab8c8110b710f95993ace505ccd9f2ffc2a1ef38e5088439e0f0d68e8b1cd35a3c159fc13dbef35a64c59462afa6de0d3
SSDEEP

12288:/7K8uqWOu5wQKlg4qDQYHam937YrX4QL1myZ576yzeFYZr:/sf5wFa4WQY6m9UfU055e

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
qlRYaFn8
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1612-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1612-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1612-67-0x000000000042012E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1612-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1612-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1612-71-0x0000000000400000-0x0000000000426000-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Invoice.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1516 set thread context of 1612	1516	Shipment Invoice.exe	29

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1516	Shipment Invoice.exe
1516	Shipment Invoice.exe
1612	Shipment Invoice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	Shipment Invoice.exe
Token: SeDebugPrivilege	1612	Shipment Invoice.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1532	1516	Shipment Invoice.exe	27
PID 1516 wrote to memory of 1532	1516	Shipment Invoice.exe	27
PID 1516 wrote to memory of 1532	1516	Shipment Invoice.exe	27
PID 1516 wrote to memory of 1532	1516	Shipment Invoice.exe	27
PID 1516 wrote to memory of 1500	1516	Shipment Invoice.exe	28
PID 1516 wrote to memory of 1500	1516	Shipment Invoice.exe	28
PID 1516 wrote to memory of 1500	1516	Shipment Invoice.exe	28
PID 1516 wrote to memory of 1500	1516	Shipment Invoice.exe	28
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29
PID 1516 wrote to memory of 1612	1516	Shipment Invoice.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Invoice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Shipment Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\Shipment Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipment Invoice.exe"
  2⤵
  PID:1532
- C:\Users\Admin\AppData\Local\Temp\Shipment Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipment Invoice.exe"
  2⤵
  PID:1500
- C:\Users\Admin\AppData\Local\Temp\Shipment Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipment Invoice.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1612

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

Replay Monitor

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Downloads

memory/1516-54-0x0000000000220000-0x00000000002F4000-memory.dmp

Filesize
848KB

Download
memory/1516-55-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1516-56-0x0000000001D30000-0x0000000001D4A000-memory.dmp

Filesize
104KB

Download
memory/1516-57-0x0000000001D50000-0x0000000001D5C000-memory.dmp

Filesize
48KB

Download
memory/1516-58-0x00000000054D0000-0x0000000005550000-memory.dmp

Filesize
512KB

Download
memory/1516-59-0x0000000004120000-0x0000000004146000-memory.dmp

Filesize
152KB

Download
memory/1612-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1612-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1612-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1612-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1612-67-0x000000000042012E-mapping.dmp

Download
memory/1612-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1612-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1612-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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