snakekeylogger | e822577647b869de310a539a12a8a9839e25f3d0ca8c0e22db3347e14725c56a

General

Target

Payment swift.pdf.exe
Size

1.1MB
MD5

6971a36da02f2727ee983fdcf984cdb4
SHA1

37b8c7f51be92d80596e19950820b647630c76f3
SHA256

e822577647b869de310a539a12a8a9839e25f3d0ca8c0e22db3347e14725c56a
SHA512

e890db95df767e0a90d11983ad9d328dd995bcc41fa644680b1be62bd03fc660aee0a132a990ed46c0fdddea2e44f3a53e9b963b70e4a13160f882327e8fc6ca
SSDEEP

12288:uf+fGmk/6vqWzYcWs3J/QLXRc9FPWdLwfHh2t6yUWSqInKI9VqVE3HXK4HTN:hGmk3WETs3yXRY+9FtjEn

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.ckjksb.com
Port:
587
Username:
[email protected]
Password:
123@ckjksb456
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/3888-139-0x0000000000400000-0x0000000000426000-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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment swift.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment swift.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment swift.pdf.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
39	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4908 set thread context of 3888	4908	Payment swift.pdf.exe	92

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4908	Payment swift.pdf.exe
4908	Payment swift.pdf.exe
4908	Payment swift.pdf.exe
4908	Payment swift.pdf.exe
4908	Payment swift.pdf.exe
4908	Payment swift.pdf.exe
4908	Payment swift.pdf.exe
3888	Payment swift.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4908	Payment swift.pdf.exe
Token: SeDebugPrivilege	3888	Payment swift.pdf.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4908	Payment swift.pdf.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4908	Payment swift.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 3888	4908	Payment swift.pdf.exe	92
PID 4908 wrote to memory of 3888	4908	Payment swift.pdf.exe	92
PID 4908 wrote to memory of 3888	4908	Payment swift.pdf.exe	92
PID 4908 wrote to memory of 3888	4908	Payment swift.pdf.exe	92
PID 4908 wrote to memory of 3888	4908	Payment swift.pdf.exe	92
PID 4908 wrote to memory of 3888	4908	Payment swift.pdf.exe	92
PID 4908 wrote to memory of 3888	4908	Payment swift.pdf.exe	92
PID 4908 wrote to memory of 3888	4908	Payment swift.pdf.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment swift.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment swift.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Payment swift.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Payment swift.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Users\Admin\AppData\Local\Temp\Payment swift.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment swift.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3888

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment swift.pdf.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
memory/3888-139-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3888-141-0x0000000006B90000-0x0000000006D52000-memory.dmp

Filesize
1.8MB

Download
memory/4908-132-0x0000000000AF0000-0x0000000000C08000-memory.dmp

Filesize
1.1MB

Download
memory/4908-133-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/4908-134-0x00000000055D0000-0x0000000005662000-memory.dmp

Filesize
584KB

Download
memory/4908-135-0x0000000005590000-0x000000000559A000-memory.dmp

Filesize
40KB

Download
memory/4908-136-0x00000000090B0000-0x000000000914C000-memory.dmp

Filesize
624KB

Download
memory/4908-137-0x0000000009520000-0x0000000009586000-memory.dmp

Filesize
408KB

Download

Analysis

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