snakekeylogger | b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8

General

Target

Drawings.pif.exe
Size

366KB
MD5

1a691869fcecce8373212a390d1fa3e3
SHA1

a952c873d4b825940b012e2d0ceb849dd9634d64
SHA256

b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8
SHA512

6bcac7d3fd19a60fb7c6a52d67cc0a6d8f7684f0a2fa428647a0cc1a03fb2d25c9a0b75b215de432df81113e951c2442ec1b793c93e68f6b99ae6ef7ba62fe5e
SSDEEP

6144:L0nJBIKD2SJMz2dR8rZNlvzbV+dHhZdZcZmPaFTPM+OAHhBMdk6ceh9X3P9t0G:sJfD2S+nRbV+dHhZdZcZm2TPZHhBak6I

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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2336-9-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2336-10-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2336-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2336-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2336-17-0x0000000000400000-0x0000000000424000-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-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\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

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

Processes:

Drawings.pif.exe

description pid process target process

PID 1692 set thread context of 2336 1692 Drawings.pif.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2336 RegAsm.exe
2336 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2336 RegAsm.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1692 set thread context of 2336	1692	Drawings.pif.exe	RegAsm.exe

pid	process
2336	RegAsm.exe
2336	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2336	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Drawings.pif.exe

description	pid	process	target process
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe
PID 1692 wrote to memory of 2336	1692	Drawings.pif.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\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-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Drawings.pif.exe
"C:\Users\Admin\AppData\Local\Temp\Drawings.pif.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1692

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:2336

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/1692-0-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download
memory/1692-1-0x0000000000D20000-0x0000000000D82000-memory.dmp

Filesize
392KB

Download
memory/1692-2-0x0000000000490000-0x00000000004E4000-memory.dmp

Filesize
336KB

Download
memory/1692-3-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download
memory/1692-4-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1692-18-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download
memory/2336-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2336-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2336-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2336-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2336-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2336-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2336-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2336-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads