snakekeylogger | ddc5c3db68231527895f8e748df9d80cdb7aa4f12f107652cdce95854af81f86

General

Target

z69mmxx.exe
Size

754KB
MD5

0d27f4c63354d799f66d430e43979c31
SHA1

a9eef10ae00fb0732cd45c4c008bc4e1adb09396
SHA256

ddc5c3db68231527895f8e748df9d80cdb7aa4f12f107652cdce95854af81f86
SHA512

7b577803a066f31418463ced0614bad606c1bbac6866cd86ff07b6facce62adcbc3d565e60b99d1d4259b31fedeb8c9f1c79439a8f31bf9c5f47ff91dffdfa25
SSDEEP

12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCzVEt3aGpkK:uRmJkcoQricOIQxiZY1iaCz63/kK

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7628028410:AAEpbCbHTWOy3r7fqeLD67OvGFoUK2pQiBw/sendMessage?chat_id=7337843299

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2888-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2888-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2888-15-0x0000000000400000-0x0000000000426000-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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2888	2904	z69mmxx.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	z69mmxx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2888	RegSvcs.exe
2888	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2904	z69mmxx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2904	z69mmxx.exe
2904	z69mmxx.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2904	z69mmxx.exe
2904	z69mmxx.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2888	2904	z69mmxx.exe	30
PID 2904 wrote to memory of 2888	2904	z69mmxx.exe	30
PID 2904 wrote to memory of 2888	2904	z69mmxx.exe	30
PID 2904 wrote to memory of 2888	2904	z69mmxx.exe	30
PID 2904 wrote to memory of 2888	2904	z69mmxx.exe	30
PID 2904 wrote to memory of 2888	2904	z69mmxx.exe	30
PID 2904 wrote to memory of 2888	2904	z69mmxx.exe	30
PID 2904 wrote to memory of 2888	2904	z69mmxx.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\z69mmxx.exe
"C:\Users\Admin\AppData\Local\Temp\z69mmxx.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:2904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\z69mmxx.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:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/2888-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2888-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2888-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2888-17-0x00000000738DE000-0x00000000738DF000-memory.dmp

Filesize
4KB

Download
memory/2888-18-0x00000000738D0000-0x0000000073FBE000-memory.dmp

Filesize
6.9MB

Download
memory/2888-19-0x00000000738DE000-0x00000000738DF000-memory.dmp

Filesize
4KB

Download
memory/2888-20-0x00000000738D0000-0x0000000073FBE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-11-0x00000000001F0000-0x00000000001F4000-memory.dmp

Filesize
16KB

Download

Analysis

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