snakekeylogger | ac3710ec74a9f12adeb7d84ea6a6ea512c6197d765b2aef9e87a25cbf8d6d9ab

General

Target

hesaphareketi-01.pdf.exe
Size

518KB
MD5

60aae388f17fa2f3a35ef004304e1f77
SHA1

633cb0391060b7072b85ea08641af16ea4ca37f4
SHA256

3acf414852b246c2b13ce4002def7748d070bce40dc48beacc030016b9811487
SHA512

fe99f74c89812209fdb33c0fb51008e41da60ed6ee7df519cbd110d38803a5bb5ded46d66bdf2923a469a71b4073dc5c53734d8d450d31b0c9a227db1ef1fc67
SSDEEP

12288:kaWBJ3EjSlgM8daDFRT5rP5Pnu7eugHwLuX0mVP4:kaWBJ3Esh8d8n9P9u7eugQLa0mK

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7125297965:AAFl6eQAjxqGeAfWHpfHbGAtADDAZUyFidM/sendMessage?chat_id=6367688286

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3592-4-0x0000000000400000-0x0000000000426000-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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.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
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 432 set thread context of 3592	432	hesaphareketi-01.pdf.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3592	CasPol.exe
3592	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3592	CasPol.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 3592	432	hesaphareketi-01.pdf.exe	82
PID 432 wrote to memory of 3592	432	hesaphareketi-01.pdf.exe	82
PID 432 wrote to memory of 3592	432	hesaphareketi-01.pdf.exe	82
PID 432 wrote to memory of 3592	432	hesaphareketi-01.pdf.exe	82
PID 432 wrote to memory of 3592	432	hesaphareketi-01.pdf.exe	82
PID 432 wrote to memory of 3592	432	hesaphareketi-01.pdf.exe	82
PID 432 wrote to memory of 3592	432	hesaphareketi-01.pdf.exe	82
PID 432 wrote to memory of 3592	432	hesaphareketi-01.pdf.exe	82
PID 432 wrote to memory of 3420	432	hesaphareketi-01.pdf.exe	83
PID 432 wrote to memory of 3420	432	hesaphareketi-01.pdf.exe	83
PID 432 wrote to memory of 3420	432	hesaphareketi-01.pdf.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.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
- Suspicious use of WriteProcessMemory
PID:432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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:3592
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:3420

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/432-0-0x00007FFAA2AA3000-0x00007FFAA2AA5000-memory.dmp

Filesize
8KB

Download
memory/432-1-0x0000020A65E40000-0x0000020A65EC4000-memory.dmp

Filesize
528KB

Download
memory/432-2-0x0000020A00350000-0x0000020A003CA000-memory.dmp

Filesize
488KB

Download
memory/432-3-0x00007FFAA2AA0000-0x00007FFAA3561000-memory.dmp

Filesize
10.8MB

Download
memory/432-9-0x00007FFAA2AA0000-0x00007FFAA3561000-memory.dmp

Filesize
10.8MB

Download
memory/3592-8-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/3592-6-0x0000000005A00000-0x0000000005FA4000-memory.dmp

Filesize
5.6MB

Download
memory/3592-7-0x0000000005550000-0x00000000055EC000-memory.dmp

Filesize
624KB

Download
memory/3592-5-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/3592-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3592-10-0x00000000068A0000-0x00000000068F0000-memory.dmp

Filesize
320KB

Download
memory/3592-11-0x0000000006AC0000-0x0000000006C82000-memory.dmp

Filesize
1.8MB

Download
memory/3592-12-0x0000000006990000-0x0000000006A22000-memory.dmp

Filesize
584KB

Download
memory/3592-13-0x0000000006920000-0x000000000692A000-memory.dmp

Filesize
40KB

Download
memory/3592-14-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/3592-15-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download

Analysis

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