snakekeylogger | 4952a1b507d5779ad9e44e2976af3b6f890fb7d9f1bb685bea255300a70cf1bf

General

Target
SHIPPING INVOICE DOCS.exe
Size 769KB
Sample220909-rl9myscbdp
SHA256 4952a1b507d5779ad9e44e2976af3b6f890fb7d9f1bb685bea255300a70cf1bf
MD5 877ba98c8e8ba6175b7bd2609adb9b44
SHA1 5d14a8b9ad7302bc2d695fa102c94e522da9d60e
SHA512 302d674705d72b8f3175866259d82f6580a889bf5cfcb80697e3eee85738f3fef2d6c1b7ad62f4c99e42412c91cc7b69ce56aae99765e3bfd5be1ff7d46f278e
SSDEEP 12288:wdDekOA5XZ7ITSZ2wd9fbA2YtsuKZj/pP+3Ub8FVBRKGkSoEp:aDBOap7VDjCbSpIJnmHE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5515611206:AAEcQSX8hXHOAxSYr8KUdLxGF5eqw4FRXoA/sendMessage?chat_id=1504449137

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1144-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1144-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1144-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1144-69-0x000000000042012E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1144-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1144-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SHIPPING INVOICE DOCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SHIPPING INVOICE DOCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SHIPPING INVOICE DOCS.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xtwrnuqv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Fqosgi\\Xtwrnuqv.exe\""	SHIPPING INVOICE DOCS.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
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 1144	1964	SHIPPING INVOICE DOCS.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1444	powershell.exe
1144	SHIPPING INVOICE DOCS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	powershell.exe
Token: SeDebugPrivilege	1964	SHIPPING INVOICE DOCS.exe
Token: SeDebugPrivilege	1144	SHIPPING INVOICE DOCS.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1444	1964	SHIPPING INVOICE DOCS.exe	28
PID 1964 wrote to memory of 1444	1964	SHIPPING INVOICE DOCS.exe	28
PID 1964 wrote to memory of 1444	1964	SHIPPING INVOICE DOCS.exe	28
PID 1964 wrote to memory of 1444	1964	SHIPPING INVOICE DOCS.exe	28
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30
PID 1964 wrote to memory of 1144	1964	SHIPPING INVOICE DOCS.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SHIPPING INVOICE DOCS.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SHIPPING INVOICE DOCS.exe

C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE DOCS.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1444
- C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE DOCS.exe
  "C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE DOCS.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1144

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1144-63-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1144-73-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1144-71-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1144-68-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1144-67-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1144-65-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1144-62-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1444-61-0x000000006F9D0000-0x000000006FF7B000-memory.dmp

Download

memory/1444-60-0x000000006F9D0000-0x000000006FF7B000-memory.dmp

Download

memory/1964-54-0x0000000000B80000-0x0000000000C46000-memory.dmp

Download

memory/1964-57-0x00000000046B0000-0x0000000004742000-memory.dmp

Download

memory/1964-56-0x0000000076411000-0x0000000076413000-memory.dmp

Download

memory/1964-55-0x0000000004860000-0x0000000004922000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads