snakekeylogger | 0fcc6d53f8ef84332db1f7e6f884870964ef6b6d718000cfbaaa224dcb5fb90e

General

Target

YKBGunlukEkstre.exe
Size

496KB
MD5

1b278305cb4e9f2127d141e7bf35208c
SHA1

d91fedc2f515fe0b94f808700c6c94d123bbf6f9
SHA256

0fcc6d53f8ef84332db1f7e6f884870964ef6b6d718000cfbaaa224dcb5fb90e
SHA512

a858319b18666671f1f94cd41789cef35cb526e36482b622deb9b64ef98fbe4c851ff204c68714183ef6f5be4c2ffe312ec419065a32e3b486925d89f1eab85d
SSDEEP

12288:wcR4gPI6771YWj8+rhD9TvwsJVXAlonR8HFBN:tN7ljB9rwsJ9ny

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.gkas.com.tr
Port:
587
Username:
[email protected]
Password:
Gkasteknik@2022

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/3940-12-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/3940-17-0x00000000054C0000-0x00000000054D0000-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:

YKBGunlukEkstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YKBGunlukEkstre.exe
Key opened	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YKBGunlukEkstre.exe
Key opened	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YKBGunlukEkstre.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

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

Processes:

YKBGunlukEkstre.exe

description pid process target process

PID 2288 set thread context of 3940 2288 YKBGunlukEkstre.exe YKBGunlukEkstre.exe

flow	ioc
43	checkip.dyndns.org

description	pid	process	target process
PID 2288 set thread context of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

YKBGunlukEkstre.exeYKBGunlukEkstre.exe

pid	process
2288	YKBGunlukEkstre.exe
2288	YKBGunlukEkstre.exe
2288	YKBGunlukEkstre.exe
2288	YKBGunlukEkstre.exe
2288	YKBGunlukEkstre.exe
2288	YKBGunlukEkstre.exe
3940	YKBGunlukEkstre.exe
3940	YKBGunlukEkstre.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

YKBGunlukEkstre.exeYKBGunlukEkstre.exe

description pid process

Token: SeDebugPrivilege 2288 YKBGunlukEkstre.exe
Token: SeDebugPrivilege 3940 YKBGunlukEkstre.exe

description	pid	process
Token: SeDebugPrivilege	2288	YKBGunlukEkstre.exe
Token: SeDebugPrivilege	3940	YKBGunlukEkstre.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

YKBGunlukEkstre.exe

description	pid	process	target process
PID 2288 wrote to memory of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe
PID 2288 wrote to memory of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe
PID 2288 wrote to memory of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe
PID 2288 wrote to memory of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe
PID 2288 wrote to memory of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe
PID 2288 wrote to memory of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe
PID 2288 wrote to memory of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe
PID 2288 wrote to memory of 3940	2288	YKBGunlukEkstre.exe	YKBGunlukEkstre.exe

outlook_office_path 1 IoCs

Processes:

YKBGunlukEkstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YKBGunlukEkstre.exe

outlook_win_path 1 IoCs

Processes:

YKBGunlukEkstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YKBGunlukEkstre.exe

C:\Users\Admin\AppData\Local\Temp\YKBGunlukEkstre.exe
"C:\Users\Admin\AppData\Local\Temp\YKBGunlukEkstre.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288

C:\Users\Admin\AppData\Local\Temp\YKBGunlukEkstre.exe
"C:\Users\Admin\AppData\Local\Temp\YKBGunlukEkstre.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3940

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\YKBGunlukEkstre.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2288-10-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2288-16-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2288-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp

Filesize
584KB

Download
memory/2288-4-0x0000000005970000-0x0000000005980000-memory.dmp

Filesize
64KB

Download
memory/2288-5-0x0000000005A20000-0x0000000005A2A000-memory.dmp

Filesize
40KB

Download
memory/2288-6-0x0000000005C90000-0x0000000005D2C000-memory.dmp

Filesize
624KB

Download
memory/2288-7-0x0000000005FE0000-0x0000000005FEE000-memory.dmp

Filesize
56KB

Download
memory/2288-11-0x0000000005970000-0x0000000005980000-memory.dmp

Filesize
64KB

Download
memory/2288-9-0x0000000006F10000-0x0000000006F6E000-memory.dmp

Filesize
376KB

Download
memory/2288-2-0x0000000006010000-0x00000000065B4000-memory.dmp

Filesize
5.6MB

Download
memory/2288-8-0x0000000006000000-0x000000000600A000-memory.dmp

Filesize
40KB

Download
memory/2288-0-0x0000000000FA0000-0x0000000001020000-memory.dmp

Filesize
512KB

Download
memory/2288-1-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-19-0x0000000006740000-0x0000000006902000-memory.dmp

Filesize
1.8MB

Download
memory/3940-15-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-17-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download
memory/3940-18-0x0000000006520000-0x0000000006570000-memory.dmp

Filesize
320KB

Download
memory/3940-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3940-20-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-21-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads