snakekeylogger | e6898cab171f9677ea94663fd86b9b4e5a7589d0f3557b54d99fb6eb2abd18bc

General

Target

hesaphareketi-01.pdf.exe
Size

480KB
MD5

1182b118e3ef6a2bb23c1fa63421f415
SHA1

4d79a5d3934bc88874532c7a370c3d29331c2b67
SHA256

e6898cab171f9677ea94663fd86b9b4e5a7589d0f3557b54d99fb6eb2abd18bc
SHA512

e4ba194a7558383d53887fa15f840af3d416d2b9af9e4b0ac7021f2998f301dd69c51ea668da947d26b102f905cc09985b1a5c169bfc232bd66308e15bc51a5c
SSDEEP

12288:K7m8gHOq4pFZ7vIyfymnN7DsAHX9o+NfEkNHjRcsuN:0DgHOPFZ7vIyHN7DsAHto+NRNHja

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/2856-4-0x0000000000400000-0x0000000000426000-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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.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 1168 set thread context of 2856	1168	hesaphareketi-01.pdf.exe	83

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	jsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2856	jsc.exe
2856	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2856	jsc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 3012	1168	hesaphareketi-01.pdf.exe	82
PID 1168 wrote to memory of 3012	1168	hesaphareketi-01.pdf.exe	82
PID 1168 wrote to memory of 3012	1168	hesaphareketi-01.pdf.exe	82
PID 1168 wrote to memory of 2856	1168	hesaphareketi-01.pdf.exe	83
PID 1168 wrote to memory of 2856	1168	hesaphareketi-01.pdf.exe	83
PID 1168 wrote to memory of 2856	1168	hesaphareketi-01.pdf.exe	83
PID 1168 wrote to memory of 2856	1168	hesaphareketi-01.pdf.exe	83
PID 1168 wrote to memory of 2856	1168	hesaphareketi-01.pdf.exe	83
PID 1168 wrote to memory of 2856	1168	hesaphareketi-01.pdf.exe	83
PID 1168 wrote to memory of 2856	1168	hesaphareketi-01.pdf.exe	83
PID 1168 wrote to memory of 2856	1168	hesaphareketi-01.pdf.exe	83
PID 1168 wrote to memory of 3904	1168	hesaphareketi-01.pdf.exe	84
PID 1168 wrote to memory of 3904	1168	hesaphareketi-01.pdf.exe	84
PID 1168 wrote to memory of 3904	1168	hesaphareketi-01.pdf.exe	84

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	jsc.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	jsc.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:1168
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:3012
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.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:2856
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  PID:3904

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/1168-0-0x00007FFB28113000-0x00007FFB28115000-memory.dmp

Filesize
8KB

Download
memory/1168-1-0x0000028B625D0000-0x0000028B6264C000-memory.dmp

Filesize
496KB

Download
memory/1168-2-0x0000028B64310000-0x0000028B6438A000-memory.dmp

Filesize
488KB

Download
memory/1168-3-0x00007FFB28110000-0x00007FFB28BD1000-memory.dmp

Filesize
10.8MB

Download
memory/1168-9-0x00007FFB28110000-0x00007FFB28BD1000-memory.dmp

Filesize
10.8MB

Download
memory/2856-8-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/2856-6-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/2856-7-0x0000000005290000-0x000000000532C000-memory.dmp

Filesize
624KB

Download
memory/2856-5-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/2856-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2856-10-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/2856-11-0x0000000006870000-0x00000000068C0000-memory.dmp

Filesize
320KB

Download
memory/2856-12-0x0000000006A90000-0x0000000006C52000-memory.dmp

Filesize
1.8MB

Download
memory/2856-13-0x0000000006960000-0x00000000069F2000-memory.dmp

Filesize
584KB

Download
memory/2856-14-0x00000000068F0000-0x00000000068FA000-memory.dmp

Filesize
40KB

Download
memory/2856-15-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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