snakekeylogger | ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9

General

Target

ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
Size

975KB
MD5

1d51a399962939a06396a4b4944eb33c
SHA1

c7f4dfb774d0998df523e4c799f32ea4560be3ea
SHA256

ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9
SHA512

5a5ca673ade811e2ccaec97ed89d5cbb8b4ef361eef9de2aca3f7631ac197995d526fbff07a3e1466dc0c55e1e8db612cfbb8d78e7047f141cae376c27fb4cda
SSDEEP

24576:1u6J33O0c+JY5UZ+XC0kGso6FaUQGdLiPB8fWY:Xu0c++OCvkGs9FaUQbPBnY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7725623378:AAFyPRXLgMaz6RepcrwiG-KkR7jNMc-SEgI/sendMessage?chat_id=5411784088

Signatures

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

Snake Keylogger payload 4 IoCs

resource	yara_rule
behavioral1/memory/2556-22-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2556-31-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2556-28-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2556-24-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\surmit.vbs	surmit.exe

Executes dropped EXE 1 IoCs

pid	Process
2404	surmit.exe

Loads dropped DLL 1 IoCs

pid	Process
1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0009000000016dea-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2404 set thread context of 2556	2404	surmit.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	surmit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2556	RegSvcs.exe
2556	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2404	surmit.exe
2404	surmit.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
2404	surmit.exe
2404	surmit.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
2404	surmit.exe
2404	surmit.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2404	1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe	30
PID 1048 wrote to memory of 2404	1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe	30
PID 1048 wrote to memory of 2404	1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe	30
PID 1048 wrote to memory of 2404	1048	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe	30
PID 2404 wrote to memory of 2556	2404	surmit.exe	31
PID 2404 wrote to memory of 2556	2404	surmit.exe	31
PID 2404 wrote to memory of 2556	2404	surmit.exe	31
PID 2404 wrote to memory of 2556	2404	surmit.exe	31
PID 2404 wrote to memory of 2556	2404	surmit.exe	31
PID 2404 wrote to memory of 2556	2404	surmit.exe	31
PID 2404 wrote to memory of 2556	2404	surmit.exe	31
PID 2404 wrote to memory of 2556	2404	surmit.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
"C:\Users\Admin\AppData\Local\Temp\ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\untrashed\surmit.exe
  "C:\Users\Admin\AppData\Local\Temp\ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:2404
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    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

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Downloads

\Users\Admin\AppData\Local\untrashed\surmit.exe

Filesize
975KB

MD5
1d51a399962939a06396a4b4944eb33c

SHA1
c7f4dfb774d0998df523e4c799f32ea4560be3ea

SHA256
ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9

SHA512
5a5ca673ade811e2ccaec97ed89d5cbb8b4ef361eef9de2aca3f7631ac197995d526fbff07a3e1466dc0c55e1e8db612cfbb8d78e7047f141cae376c27fb4cda

Download Submit
memory/1048-6-0x0000000000890000-0x0000000000C90000-memory.dmp

Filesize
4.0MB

Download
memory/2404-20-0x0000000000D60000-0x0000000001160000-memory.dmp

Filesize
4.0MB

Download
memory/2556-22-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2556-31-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2556-28-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2556-24-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2556-32-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2556-33-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2556-34-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2556-35-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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