snakekeylogger | e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd

General

Target

e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe
Size

987KB
MD5

58fd54106157d2c514d61a77d34df89b
SHA1

b94c0be6a242ea5808bce1396d3e4bbedbc3a620
SHA256

e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd
SHA512

b2afdec29ad746295a91d9bfcf2f5def55926e52e212cc8e09862e6c664213ce2b4c03a85b17fb71a4015e59ff6a8065386031b1d505d508abc0914b5285fb87
SSDEEP

24576:pu6J33O0c+JY5UZ+XC0kGso6FajEJjuZ2QMWY:Lu0c++OCvkGs9FajEJKZtY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7720966822:AAEDKrUlx5r9gfLmPGYoRjaYs8t6cOW3Mi0/sendMessage?chat_id=1166322455

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2860-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2860-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2860-9-0x0000000000400000-0x0000000000426000-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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\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 2704 set thread context of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30

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	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2860	RegSvcs.exe
2860	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe
2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe
2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30
PID 2704 wrote to memory of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30
PID 2704 wrote to memory of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30
PID 2704 wrote to memory of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30
PID 2704 wrote to memory of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30
PID 2704 wrote to memory of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30
PID 2704 wrote to memory of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30
PID 2704 wrote to memory of 2860	2704	e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.exe
"C:\Users\Admin\AppData\Local\Temp\e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.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:2704
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\e4dc621e2aef5e6f4d3b3087572efb9816ce555894a039002fa5cebf053df8cd.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:2860

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

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Downloads

memory/2704-6-0x0000000000730000-0x0000000000B30000-memory.dmp

Filesize
4.0MB

Download
memory/2860-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2860-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2860-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2860-12-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2860-13-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2860-14-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2860-15-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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