snakekeylogger | 16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738

General

Target

Product 3.exe
Size

366KB
MD5

3c1ade1441ef11aed8496b742eab197b
SHA1

06ebde82c367791c03196888fb2fcc7721296564
SHA256

16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738
SHA512

79f35c1f552040fd3f5273aa288bbcc86662a325dc9fd5c1817d127568a5edd3337c9b124583c3e09d07c446dcdc2b6b515227ec0d987b6b8444f342046715a6
SSDEEP

6144:L0nJBIKD2SJMz2dR8rZNlvzGSTo5xBB9VVh8YZWUBwDPlj3y4QTdk6ceh9X3P92D:sJfD2S+nRqx39Xh88VBIlzy4Qpk6ceXx

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6243209595:AAGECSmdSqJiVZcdFoBvotoaKcKT9Lz5Gvw/sendMessage?chat_id=1070926352

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/2184-8-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/2184-12-0x0000000005020000-0x0000000005030000-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-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\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

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

Processes:

Product 3.exe

description pid process target process

PID 4968 set thread context of 2184 4968 Product 3.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2184 RegAsm.exe
2184 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2184 RegAsm.exe

flow	ioc
24	checkip.dyndns.org

description	pid	process	target process
PID 4968 set thread context of 2184	4968	Product 3.exe	RegAsm.exe

pid	process
2184	RegAsm.exe
2184	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2184	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Product 3.exe

description	pid	process	target process
PID 4968 wrote to memory of 2184	4968	Product 3.exe	RegAsm.exe
PID 4968 wrote to memory of 2184	4968	Product 3.exe	RegAsm.exe
PID 4968 wrote to memory of 2184	4968	Product 3.exe	RegAsm.exe
PID 4968 wrote to memory of 2184	4968	Product 3.exe	RegAsm.exe
PID 4968 wrote to memory of 2184	4968	Product 3.exe	RegAsm.exe
PID 4968 wrote to memory of 2184	4968	Product 3.exe	RegAsm.exe
PID 4968 wrote to memory of 2184	4968	Product 3.exe	RegAsm.exe
PID 4968 wrote to memory of 2184	4968	Product 3.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\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-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Product 3.exe
"C:\Users\Admin\AppData\Local\Temp\Product 3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4968

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:2184

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/2184-13-0x0000000005E10000-0x0000000005E60000-memory.dmp

Filesize
320KB

Download
memory/2184-12-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download
memory/2184-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2184-17-0x0000000006120000-0x000000000612A000-memory.dmp

Filesize
40KB

Download
memory/2184-11-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-16-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download
memory/2184-15-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-14-0x0000000006130000-0x00000000062F2000-memory.dmp

Filesize
1.8MB

Download
memory/4968-5-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4968-4-0x00000000050C0000-0x0000000005152000-memory.dmp

Filesize
584KB

Download
memory/4968-7-0x0000000005050000-0x000000000505A000-memory.dmp

Filesize
40KB

Download
memory/4968-2-0x0000000004ED0000-0x0000000004F24000-memory.dmp

Filesize
336KB

Download
memory/4968-0-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/4968-10-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/4968-6-0x0000000005200000-0x000000000529C000-memory.dmp

Filesize
624KB

Download
memory/4968-1-0x0000000000690000-0x00000000006F2000-memory.dmp

Filesize
392KB

Download
memory/4968-3-0x00000000055D0000-0x0000000005B74000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads