snakekeylogger | 6c85b7d283e61adeb841aaa3ddb0b5c8ad1ca6650df408ed03f0a874cf221971

General

Target

Payment Advice.PDF.exe
Size

329KB
MD5

9e6b1fdb47d280b886a9c66c4363a60c
SHA1

3cb3539f61feaf0e1bf13f92d4a05d902d41da9b
SHA256

6c85b7d283e61adeb841aaa3ddb0b5c8ad1ca6650df408ed03f0a874cf221971
SHA512

a4f7a5477fc3a5fe69444e6a1a1a4d78ffc4677837fa4f2d9c2efea7400171f7de695c61f3afdf6c95c31bed28713924e48dcf535dfc3bc3a4b60690d28367e5
SSDEEP

6144:/CKYBMNit2boZ2L/icl4iPJvGy+FsPe35bgaGPEQD:/fY6BboZ+/icCcGvL35bgaGf

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.alsarisi.com
Port:
587
Username:
[email protected]
Password:
May$2009
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3548-9-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/3548-15-0x00000000058F0000-0x0000000005900000-memory.dmp	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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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.

Processes:

flow ioc

41 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Advice.PDF.exe

description pid process target process

PID 4420 set thread context of 3548 4420 Payment Advice.PDF.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

3548 RegAsm.exe
3548 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 3548 RegAsm.exe

flow	ioc
41	checkip.dyndns.org

description	pid	process	target process
PID 4420 set thread context of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe

pid	process
3548	RegAsm.exe
3548	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3548	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Payment Advice.PDF.exe

description	pid	process	target process
PID 4420 wrote to memory of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe
PID 4420 wrote to memory of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe
PID 4420 wrote to memory of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe
PID 4420 wrote to memory of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe
PID 4420 wrote to memory of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe
PID 4420 wrote to memory of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe
PID 4420 wrote to memory of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe
PID 4420 wrote to memory of 3548	4420	Payment Advice.PDF.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\ Payment Advice.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\ Payment Advice.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3548-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3548-18-0x0000000006660000-0x000000000666A000-memory.dmp

Filesize
40KB

Download
memory/3548-17-0x00000000067F0000-0x00000000069B2000-memory.dmp

Filesize
1.8MB

Download
memory/3548-16-0x00000000065D0000-0x0000000006620000-memory.dmp

Filesize
320KB

Download
memory/3548-15-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/3548-14-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3548-13-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/3548-12-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4420-4-0x0000000004B20000-0x0000000004B74000-memory.dmp

Filesize
336KB

Download
memory/4420-8-0x0000000004F00000-0x0000000004F0A000-memory.dmp

Filesize
40KB

Download
memory/4420-11-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4420-7-0x0000000004FA0000-0x000000000503C000-memory.dmp

Filesize
624KB

Download
memory/4420-6-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/4420-5-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4420-0-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4420-3-0x0000000004BA0000-0x0000000004C32000-memory.dmp

Filesize
584KB

Download
memory/4420-2-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/4420-1-0x0000000000140000-0x0000000000198000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads