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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/400-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/400-18-0x0000000005BD0000-0x0000000005BE0000-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-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\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

26 checkip.dyndns.org

flow	ioc
26	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exe

description	pid	process	target process
PID 4720 set thread context of 400	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exehalkbank_Ekstre_2023029011_081940_689633.pdf.exe

pid	process
4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
400	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
400	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	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
Token: SeDebugPrivilege	400	halkbank_Ekstre_2023029011_081940_689633.pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

halkbank_Ekstre_2023029011_081940_689633.pdf.exe

description	pid	process	target process
PID 4720 wrote to memory of 2004	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 2004	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 2004	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 400	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 400	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 400	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 400	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 400	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 400	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 400	4720	halkbank_Ekstre_2023029011_081940_689633.pdf.exe	halkbank_Ekstre_2023029011_081940_689633.pdf.exe
PID 4720 wrote to memory of 400	4720	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-1-5-21-2013768333-4045878716-2922883000-1000\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-1-5-21-2013768333-4045878716-2922883000-1000\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:4720

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⤵
PID:2004

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:400

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\halkbank_Ekstre_2023029011_081940_689633.pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/400-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/400-22-0x0000000006DB0000-0x0000000006F72000-memory.dmp

Filesize
1.8MB

Download
memory/400-21-0x0000000006B90000-0x0000000006BE0000-memory.dmp

Filesize
320KB

Download
memory/400-20-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

Filesize
64KB

Download
memory/400-19-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/400-18-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

Filesize
64KB

Download
memory/400-16-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/4720-5-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/4720-6-0x0000000005800000-0x000000000589C000-memory.dmp

Filesize
624KB

Download
memory/4720-10-0x000000000D700000-0x000000000D75E000-memory.dmp

Filesize
376KB

Download
memory/4720-11-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/4720-12-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/4720-8-0x00000000057E0000-0x00000000057E6000-memory.dmp

Filesize
24KB

Download
memory/4720-7-0x00000000057B0000-0x00000000057C8000-memory.dmp

Filesize
96KB

Download
memory/4720-9-0x00000000057F0000-0x00000000057FA000-memory.dmp

Filesize
40KB

Download
memory/4720-17-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/4720-0-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/4720-4-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/4720-3-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/4720-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/4720-1-0x0000000000A80000-0x0000000000B18000-memory.dmp

Filesize
608KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads