snakekeylogger | 786f68f631bccd2497b4c46999a45b3659cde3f2dd9a9a2a01f19c80ec51bad7

General

Target

Hesaphareketi-01.pdf.exe
Size

1.0MB
MD5

aa94281b9321115fe4956cfa17cc2c05
SHA1

f02b5ee07c77881a93e102ebdacdca71076dbf1c
SHA256

348a4f56a33a1c759b63b71e258360ef06cee21a55f386a596dd35611defb397
SHA512

6c2d63afb4095ab74afebde15df0055435f7941ebb2cdee8f58fbf67763bce6b779d4ced312b931290ed6925282b2633e31d58d35eae2176f2fdab5bf8ec1ba2
SSDEEP

24576:au6J33O0c+JY5UZ+XC0kGso6FajasrRl8JWY:su0c++OCvkGs9FajasrRlpY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8105461233:AAGikrL-FY3clQOY-lg3KOIDOXSLgX28_TU/sendMessage?chat_id=6147266367

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3324-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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.

flow	ioc
8	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3220 set thread context of 3324	3220	Hesaphareketi-01.pdf.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Hesaphareketi-01.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3324	RegSvcs.exe
3324	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3220	Hesaphareketi-01.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3324	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3220	Hesaphareketi-01.pdf.exe
3220	Hesaphareketi-01.pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3220	Hesaphareketi-01.pdf.exe
3220	Hesaphareketi-01.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 3324	3220	Hesaphareketi-01.pdf.exe	82
PID 3220 wrote to memory of 3324	3220	Hesaphareketi-01.pdf.exe	82
PID 3220 wrote to memory of 3324	3220	Hesaphareketi-01.pdf.exe	82
PID 3220 wrote to memory of 3324	3220	Hesaphareketi-01.pdf.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Hesaphareketi-01.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Hesaphareketi-01.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Hesaphareketi-01.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3220-11-0x00000000017F0000-0x0000000001BF0000-memory.dmp

Filesize
4.0MB

Download
memory/3324-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3324-13-0x0000000073B2E000-0x0000000073B2F000-memory.dmp

Filesize
4KB

Download
memory/3324-14-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/3324-15-0x0000000005500000-0x000000000559C000-memory.dmp

Filesize
624KB

Download
memory/3324-16-0x0000000073B20000-0x00000000742D0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-17-0x00000000066C0000-0x0000000006710000-memory.dmp

Filesize
320KB

Download
memory/3324-18-0x00000000068E0000-0x0000000006AA2000-memory.dmp

Filesize
1.8MB

Download
memory/3324-19-0x0000000073B2E000-0x0000000073B2F000-memory.dmp

Filesize
4KB

Download
memory/3324-20-0x0000000073B20000-0x00000000742D0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-21-0x00000000067B0000-0x0000000006842000-memory.dmp

Filesize
584KB

Download
memory/3324-22-0x0000000006740000-0x000000000674A000-memory.dmp

Filesize
40KB

Download

Analysis

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