snakekeylogger | 29c437be7e4d6f26b23db2e849acdc4c5d19bf8d7ad5ce0c49538857224805db

General

Target

mv Sider Capri Particulars.exe
Size

432KB
MD5

791d56774e02ea0ab8fe059c85cc2ebd
SHA1

b9bc54f8cc756e694a9e986416ff69da390eba65
SHA256

504b7897b009fab8381a73f6298317e2d5245a98b2a27530e66233f682671c45
SHA512

b404955b6f0195397f796c7c51409e71d6040b36a8c5e37f8f8c710f249be828d95a13d49a62d1f84ae7febe77290fa87ad1c14ee977bac7713cb8e972e404d3
SSDEEP

12288:E2t+axyVJLzNnZa693JxwTIAqf2HQGZwLs41:vwVJLzNno695x+I32XbQ

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2948-27-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2948-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2948-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2948-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2948-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe

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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\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

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

Processes:

mv Sider Capri Particulars.exe

description pid process target process

PID 2980 set thread context of 2948 2980 mv Sider Capri Particulars.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Powershell.exeRegAsm.exe

pid process

2328 Powershell.exe
2948 RegAsm.exe
2948 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2328 Powershell.exe
Token: SeDebugPrivilege 2948 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2980 set thread context of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe

pid	process
2328	Powershell.exe
2948	RegAsm.exe
2948	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2328	Powershell.exe
Token: SeDebugPrivilege	2948	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

mv Sider Capri Particulars.exe

description	pid	process	target process
PID 2980 wrote to memory of 2328	2980	mv Sider Capri Particulars.exe	Powershell.exe
PID 2980 wrote to memory of 2328	2980	mv Sider Capri Particulars.exe	Powershell.exe
PID 2980 wrote to memory of 2328	2980	mv Sider Capri Particulars.exe	Powershell.exe
PID 2980 wrote to memory of 2328	2980	mv Sider Capri Particulars.exe	Powershell.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 2948	2980	mv Sider Capri Particulars.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\mv Sider Capri Particulars.exe
"C:\Users\Admin\AppData\Local\Temp\mv Sider Capri Particulars.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2980

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\mv Sider Capri Particulars.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328

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:2948

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/2328-7-0x0000000002880000-0x00000000028C0000-memory.dmp

Filesize
256KB

Download
memory/2328-12-0x0000000070740000-0x0000000070CEB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-10-0x0000000002880000-0x00000000028C0000-memory.dmp

Filesize
256KB

Download
memory/2328-8-0x0000000070740000-0x0000000070CEB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-6-0x0000000070740000-0x0000000070CEB000-memory.dmp

Filesize
5.7MB

Download
memory/2948-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-27-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2948-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2980-26-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2980-2-0x00000000009A0000-0x00000000009F6000-memory.dmp

Filesize
344KB

Download
memory/2980-0-0x0000000001180000-0x00000000011F2000-memory.dmp

Filesize
456KB

Download
memory/2980-13-0x0000000000610000-0x0000000000618000-memory.dmp

Filesize
32KB

Download
memory/2980-1-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2980-3-0x0000000000C30000-0x0000000000C70000-memory.dmp

Filesize
256KB

Download
memory/2980-9-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads