snakekeylogger | 46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32

General

Target

Hesaphareketleriniz.exe
Size

478KB
MD5

afdc908cc5972fc98ea8d8c1ec6a1a20
SHA1

2a53ca86feb606238bfc1e0d33e18560b198a069
SHA256

46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32
SHA512

03ba6516cf7b27ace802c35a0129eebe0d21bebb38cecf46875883d71d0f6253c9748fd7fb1e474e74049c752382fc111e27f037fbaa32ab7c1a8856e80270cf
SSDEEP

12288:ams10/1QwuU3B+WoJwqIQXuYc8AbiRR7EujnkmHs+ElAdV/feinF:aS1XzR5ouqISAGzf/feKF

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7924749806:AAG-WJhqQVHwMR7UVUYahs5tVC-3tNXnruE/sendMessage?chat_id=7009913093

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1924-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1924-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1924-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1924-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1924-10-0x0000000000400000-0x0000000000426000-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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 1924	1680	Hesaphareketleriniz.exe	31

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
1924	CasPol.exe
1924	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	CasPol.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1924	1680	Hesaphareketleriniz.exe	31
PID 1680 wrote to memory of 1940	1680	Hesaphareketleriniz.exe	32
PID 1680 wrote to memory of 1940	1680	Hesaphareketleriniz.exe	32
PID 1680 wrote to memory of 1940	1680	Hesaphareketleriniz.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\Hesaphareketleriniz.exe
"C:\Users\Admin\AppData\Local\Temp\Hesaphareketleriniz.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1680
- 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:1924
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1680 -s 620
  2⤵
  PID:1940

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/1680-0-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmp

Filesize
4KB

Download
memory/1680-1-0x0000000000A70000-0x0000000000AEA000-memory.dmp

Filesize
488KB

Download
memory/1680-2-0x0000000000990000-0x0000000000A0A000-memory.dmp

Filesize
488KB

Download
memory/1680-3-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

Filesize
9.9MB

Download
memory/1680-20-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

Filesize
9.9MB

Download
memory/1924-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1924-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1924-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1924-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1924-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1924-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1924-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1924-18-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/1924-19-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/1924-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1924-21-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/1924-22-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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