snakekeylogger | 9a2f9a2670f1a81d9e637218669c6db6a29ea962ce2cb2a81468c45aa5b40b40

General

Target

Halkbank_Ekstre_20231019_574589_324568.pdf.exe
Size

949KB
MD5

9869b521f18fc52aa2ee00593f41065c
SHA1

aaad09ec83aa11081f2f81df2eecf0303a049a93
SHA256

9a2f9a2670f1a81d9e637218669c6db6a29ea962ce2cb2a81468c45aa5b40b40
SHA512

0140fa3cbbc1ad4e12d88fa9dc58dc4cb4b9d7d7b29be63372a937ddd2d36fc7f5342742c0ea6bede85d04fef1b56fc14b7da1b94878aa8b224698a75e65216a
SSDEEP

12288:IyQaMFM0Mvxv9ZtOZvkrM7aMhOt3a7kbVRpzRcv9sXfNKtHkvJlq:Iyjv9EZOSTOdVRptclmfNKhkvG

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6564714997:AAEB5Qyq9hSihv7iw6Fa5RV1VfNvFH6t4oU/sendMessage?chat_id=5328986207

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1344-13-0x0000000000400000-0x0000000000424000-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:

Halkbank_Ekstre_20231019_574589_324568.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20231019_574589_324568.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

34 checkip.dyndns.org

flow	ioc
34	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

Halkbank_Ekstre_20231019_574589_324568.pdf.exe

description	pid	process	target process
PID 4912 set thread context of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Halkbank_Ekstre_20231019_574589_324568.pdf.exeHalkbank_Ekstre_20231019_574589_324568.pdf.exe

pid	process
4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
1344	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
1344	Halkbank_Ekstre_20231019_574589_324568.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Halkbank_Ekstre_20231019_574589_324568.pdf.exeHalkbank_Ekstre_20231019_574589_324568.pdf.exe

description	pid	process
Token: SeDebugPrivilege	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
Token: SeDebugPrivilege	1344	Halkbank_Ekstre_20231019_574589_324568.pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Halkbank_Ekstre_20231019_574589_324568.pdf.exe

description	pid	process	target process
PID 4912 wrote to memory of 4448	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 4448	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 4448	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe
PID 4912 wrote to memory of 1344	4912	Halkbank_Ekstre_20231019_574589_324568.pdf.exe	Halkbank_Ekstre_20231019_574589_324568.pdf.exe

outlook_office_path 1 IoCs

Processes:

Halkbank_Ekstre_20231019_574589_324568.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20231019_574589_324568.pdf.exe

outlook_win_path 1 IoCs

Processes:

Halkbank_Ekstre_20231019_574589_324568.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20231019_574589_324568.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231019_574589_324568.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231019_574589_324568.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4912

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231019_574589_324568.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231019_574589_324568.pdf.exe"
2⤵
PID:4448

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231019_574589_324568.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231019_574589_324568.pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1344

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_20231019_574589_324568.pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1344-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1344-21-0x00000000068B0000-0x0000000006A72000-memory.dmp

Filesize
1.8MB

Download
memory/1344-20-0x0000000001350000-0x00000000013A0000-memory.dmp

Filesize
320KB

Download
memory/1344-19-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/1344-18-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/1344-16-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4912-5-0x0000000004B60000-0x0000000004B6A000-memory.dmp

Filesize
40KB

Download
memory/4912-6-0x0000000004F90000-0x0000000004FAE000-memory.dmp

Filesize
120KB

Download
memory/4912-9-0x0000000004FC0000-0x0000000004FCC000-memory.dmp

Filesize
48KB

Download
memory/4912-10-0x0000000006170000-0x0000000006180000-memory.dmp

Filesize
64KB

Download
memory/4912-11-0x0000000006650000-0x00000000066B2000-memory.dmp

Filesize
392KB

Download
memory/4912-12-0x0000000008CC0000-0x0000000008D5C000-memory.dmp

Filesize
624KB

Download
memory/4912-7-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4912-8-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

Filesize
64KB

Download
memory/4912-0-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4912-17-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4912-4-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

Filesize
64KB

Download
memory/4912-3-0x0000000004BB0000-0x0000000004C42000-memory.dmp

Filesize
584KB

Download
memory/4912-2-0x0000000005160000-0x0000000005704000-memory.dmp

Filesize
5.6MB

Download
memory/4912-1-0x00000000000B0000-0x00000000001A4000-memory.dmp

Filesize
976KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads