snakekeylogger | cab5af3d9a6dd11405590481805b5380e9ba1c94bcf3b2ae6df75072108a3403

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 5 IoCs

resource	yara_rule
behavioral1/memory/2116-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2116-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2116-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2116-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2116-17-0x0000000000400000-0x0000000000426000-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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 108 set thread context of 2116	108	hesaphareketi-01.pdf.exe	29

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
2116	jsc.exe
2116	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	jsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2116	108	hesaphareketi-01.pdf.exe	29
PID 108 wrote to memory of 2556	108	hesaphareketi-01.pdf.exe	30
PID 108 wrote to memory of 2556	108	hesaphareketi-01.pdf.exe	30
PID 108 wrote to memory of 2556	108	hesaphareketi-01.pdf.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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:108
- 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:2116
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 108 -s 620
  2⤵
  PID:2556

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/108-0-0x000007FEF65A3000-0x000007FEF65A4000-memory.dmp

Filesize
4KB

Download
memory/108-1-0x0000000000110000-0x000000000018C000-memory.dmp

Filesize
496KB

Download
memory/108-2-0x0000000000330000-0x00000000003AA000-memory.dmp

Filesize
488KB

Download
memory/108-3-0x000007FEF65A0000-0x000007FEF6F8C000-memory.dmp

Filesize
9.9MB

Download
memory/108-20-0x000007FEF65A0000-0x000007FEF6F8C000-memory.dmp

Filesize
9.9MB

Download
memory/2116-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2116-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-18-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/2116-19-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-21-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/2116-22-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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