snakekeylogger | 48ad85fc3ab4ab11d497f78cb86f871c9aa8ce62e17166df2a806fcf7b9c291d

General

Target

CV Francisca Esmeralda.exe
Size

944KB
MD5

fcd5c0b5572e5ba431a5f6b2dabe5503
SHA1

2a5297ed0f5724106d8a3b0606ff9cf4dc6c0e16
SHA256

48ad85fc3ab4ab11d497f78cb86f871c9aa8ce62e17166df2a806fcf7b9c291d
SHA512

b2c19437a2c398f2af2cf503a341a18b19b16143ad4f8a6d8d08629e3e07e0eb86e0ac1048ff0cbc8f3ce445298354d5548a3dff9d34cf72ccf5562122d3208f
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaC5c0KAdiSC+Da:7JZoQrbTFZY1iaCa0tdiwDa

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7920003586:AAHBMriHaNCFiZ4OQ4NdecriTbdf93HSOJo/sendMessage?chat_id=7174574119

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2136-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2136-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2136-5-0x0000000000400000-0x0000000000426000-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	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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
9	reallyfreegeoip.org
4	checkip.dyndns.org
8	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 2136	2080	CV Francisca Esmeralda.exe	28

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	CV Francisca Esmeralda.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2136	RegSvcs.exe
2136	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2080	CV Francisca Esmeralda.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2080	CV Francisca Esmeralda.exe
2080	CV Francisca Esmeralda.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2080	CV Francisca Esmeralda.exe
2080	CV Francisca Esmeralda.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2136	2080	CV Francisca Esmeralda.exe	28
PID 2080 wrote to memory of 2136	2080	CV Francisca Esmeralda.exe	28
PID 2080 wrote to memory of 2136	2080	CV Francisca Esmeralda.exe	28
PID 2080 wrote to memory of 2136	2080	CV Francisca Esmeralda.exe	28
PID 2080 wrote to memory of 2136	2080	CV Francisca Esmeralda.exe	28
PID 2080 wrote to memory of 2136	2080	CV Francisca Esmeralda.exe	28
PID 2080 wrote to memory of 2136	2080	CV Francisca Esmeralda.exe	28
PID 2080 wrote to memory of 2136	2080	CV Francisca Esmeralda.exe	28

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	RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\CV Francisca Esmeralda.exe
"C:\Users\Admin\AppData\Local\Temp\CV Francisca Esmeralda.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:2080
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\CV Francisca Esmeralda.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:2136

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

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Downloads

memory/2080-2-0x0000000003E90000-0x0000000004290000-memory.dmp

Filesize
4.0MB

Download
memory/2136-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-8-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/2136-9-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-10-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/2136-11-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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