snakekeylogger | 6ea20989d66aa35efba273fe6d634b8a7c269c7f03a8df6dcb9c5653dcbba810

General

Target

halkbank_Ekstre_2023029011_081940_689633.pdf.exe
Size

580KB
MD5

c3996670eb6356a971f1ae1614a71ee6
SHA1

ef131d2dd9628335ca952fefad451a6ce9f7fa94
SHA256

6ea20989d66aa35efba273fe6d634b8a7c269c7f03a8df6dcb9c5653dcbba810
SHA512

bee62dd3706e3484e55b2b44e9a17474b345c5d391da51edd9789cb0a285b2fd81f0dedfae8e840943693db8b2fea0a36d5c7e1800de0af2439b290b86f711a3
SSDEEP

12288:Vrl1E6jD/Glz9plmQS6HOmfKXS5Cl1b44wvopox:dl1tD/GlBplR7fF5CUe

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.ozakaluminyum.com
Port:
587
Username:
[email protected]
Password:
ETKghx*c3KoQ

Signatures

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

Snake Keylogger payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1132-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1132-12-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1132-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1132-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1132-19-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1132-22-0x0000000004880000-0x00000000048C0000-memory.dmp	family_snakekeylogger
behavioral1/memory/1132-24-0x0000000004880000-0x00000000048C0000-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:

halkbank_Ekstre_2023029011_081940_689633.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	halkbank_Ekstre_2023029011_081940_689633.pdf.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

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exe

description	pid	process	target process
PID 1296 set thread context of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exehalkbank_Ekstre_2023029011_081940_689633.pdf.exe

pid	process
1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
1132	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
1132	halkbank_Ekstre_2023029011_081940_689633.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exehalkbank_Ekstre_2023029011_081940_689633.pdf.exe

description	pid	process
Token: SeDebugPrivilege	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
Token: SeDebugPrivilege	1132	halkbank_Ekstre_2023029011_081940_689633.pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exe

description	pid	process	target process
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 1296 wrote to memory of 1132	1296	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe

outlook_office_path 1 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	halkbank_Ekstre_2023029011_081940_689633.pdf.exe

outlook_win_path 1 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	halkbank_Ekstre_2023029011_081940_689633.pdf.exe

C:\Users\Admin\AppData\Local\Temp\halkbank_Ekstre_2023029011_081940_689633.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\halkbank_Ekstre_2023029011_081940_689633.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296

C:\Users\Admin\AppData\Local\Temp\halkbank_Ekstre_2023029011_081940_689633.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\halkbank_Ekstre_2023029011_081940_689633.pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1132

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/1132-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1132-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1132-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1132-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1132-23-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1132-22-0x0000000004880000-0x00000000048C0000-memory.dmp

Filesize
256KB

Download
memory/1132-20-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1132-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1132-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1132-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1132-24-0x0000000004880000-0x00000000048C0000-memory.dmp

Filesize
256KB

Download
memory/1132-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1296-6-0x0000000004DA0000-0x0000000004DFE000-memory.dmp

Filesize
376KB

Download
memory/1296-8-0x0000000001FF0000-0x0000000002030000-memory.dmp

Filesize
256KB

Download
memory/1296-2-0x0000000001FF0000-0x0000000002030000-memory.dmp

Filesize
256KB

Download
memory/1296-0-0x0000000000360000-0x00000000003F8000-memory.dmp

Filesize
608KB

Download
memory/1296-7-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1296-1-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1296-21-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1296-5-0x00000000002D0000-0x00000000002DA000-memory.dmp

Filesize
40KB

Download
memory/1296-4-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1296-3-0x00000000002A0000-0x00000000002B8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads