snakekeylogger | f12073d1fe5de625e27e1e4001209cb02176472fbd0f3e5910299c6e5f361890

General

Target

specifications.exe
Size

430KB
MD5

78d347cdf5e45af486ca6fcc2756651b
SHA1

dbc6a1164eb07611944040d9091113568a7588ef
SHA256

aa733006f49afe10de1ea472aba0b3e8e8192bc59d3a3b244d6953d493e57be9
SHA512

f8fd694d60da9ac464ce5ed92ff9f8c86701b599869a075ec384a7ee9831f4f289e8e22b9bbbe8a61445cdfc43f2b436ebda562cec01ba2b5227390c77824f50
SSDEEP

12288:+lQjc/wxiNUzmVFLLUB6A9nTPGWlQB/LVDquaLXQoTNF:3eUYUzmVDALGWlQxLVHa7xT

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/2676-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2676-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2676-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2676-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2676-19-0x0000000000400000-0x0000000000426000-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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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:

specifications.exe

description pid process target process

PID 1664 set thread context of 2676 1664 specifications.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2676 RegAsm.exe
2676 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2676 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 1664 set thread context of 2676	1664	specifications.exe	RegAsm.exe

pid	process
2676	RegAsm.exe
2676	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2676	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

specifications.exe

description	pid	process	target process
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe
PID 1664 wrote to memory of 2676	1664	specifications.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\specifications.exe
"C:\Users\Admin\AppData\Local\Temp\specifications.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1664

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:2676

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/1664-0-0x00000000010A0000-0x0000000001110000-memory.dmp

Filesize
448KB

Download
memory/1664-1-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/1664-3-0x0000000000CA0000-0x0000000000CE0000-memory.dmp

Filesize
256KB

Download
memory/1664-2-0x0000000000490000-0x00000000004E4000-memory.dmp

Filesize
336KB

Download
memory/1664-4-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/1664-5-0x0000000000CA0000-0x0000000000CE0000-memory.dmp

Filesize
256KB

Download
memory/1664-6-0x0000000000950000-0x0000000000958000-memory.dmp

Filesize
32KB

Download
memory/1664-16-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2676-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2676-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2676-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2676-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2676-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2676-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads