snakekeylogger | 95272a070df2cf2988d238138d1eadcfeffe68e311d904f83969b2fd71b62f60

Analysis

max time kernel
125s
max time network
135s
platform
windows7_x64
resource
win7-en-20211104
submitted
03/12/2021, 15:52

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General

Target
ad28e18735d8e13304ef1adcf4218cec.exe
Size 5.5MB
Sample211203-ta3rdaghgl
SHA256 95272a070df2cf2988d238138d1eadcfeffe68e311d904f83969b2fd71b62f60
MD5 ad28e18735d8e13304ef1adcf4218cec
SHA1 45257ee12ddf488f56f3e41576f93fed12e6ce20
SHA512 85d3e7ef25fa249cebd388fb3462db9d8139f25b8f86a9e1541b0b9c8642ec7c710aa4e07a75a89c9953d5e3b6ab96077a877fddce14db95717ed9814efad2a0
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.nclanka.lk
Port
587
Username
[email protected]
Password
OgNl@$200

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.nclanka.lk
Port
587
Username
[email protected]
Password
OgNl@$200

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
1136	._cache_ad28e18735d8e13304ef1adcf4218cec.exe
608	Synaptics.exe
1844	Synaptics.exe
1228	._cache_Synaptics.exe

Loads dropped DLL 4 IoCs

pid	Process
1748	ad28e18735d8e13304ef1adcf4218cec.exe
1748	ad28e18735d8e13304ef1adcf4218cec.exe
1844	Synaptics.exe
1844	Synaptics.exe

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 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_ad28e18735d8e13304ef1adcf4218cec.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_ad28e18735d8e13304ef1adcf4218cec.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_ad28e18735d8e13304ef1adcf4218cec.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	ad28e18735d8e13304ef1adcf4218cec.exe

Looks up external IP address via web service 4 IoCs

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

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app
20	freegeoip.app

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 680 set thread context of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 608 set thread context of 1844	608	Synaptics.exe	31

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
1136	._cache_ad28e18735d8e13304ef1adcf4218cec.exe
1228	._cache_Synaptics.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	._cache_ad28e18735d8e13304ef1adcf4218cec.exe
Token: SeDebugPrivilege	1228	._cache_Synaptics.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 680 wrote to memory of 1748	680	ad28e18735d8e13304ef1adcf4218cec.exe	28
PID 1748 wrote to memory of 1136	1748	ad28e18735d8e13304ef1adcf4218cec.exe	29
PID 1748 wrote to memory of 1136	1748	ad28e18735d8e13304ef1adcf4218cec.exe	29
PID 1748 wrote to memory of 1136	1748	ad28e18735d8e13304ef1adcf4218cec.exe	29
PID 1748 wrote to memory of 1136	1748	ad28e18735d8e13304ef1adcf4218cec.exe	29
PID 1748 wrote to memory of 608	1748	ad28e18735d8e13304ef1adcf4218cec.exe	30
PID 1748 wrote to memory of 608	1748	ad28e18735d8e13304ef1adcf4218cec.exe	30
PID 1748 wrote to memory of 608	1748	ad28e18735d8e13304ef1adcf4218cec.exe	30
PID 1748 wrote to memory of 608	1748	ad28e18735d8e13304ef1adcf4218cec.exe	30
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 608 wrote to memory of 1844	608	Synaptics.exe	31
PID 1844 wrote to memory of 1228	1844	Synaptics.exe	32
PID 1844 wrote to memory of 1228	1844	Synaptics.exe	32
PID 1844 wrote to memory of 1228	1844	Synaptics.exe	32
PID 1844 wrote to memory of 1228	1844	Synaptics.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\ad28e18735d8e13304ef1adcf4218cec.exe
"C:\Users\Admin\AppData\Local\Temp\ad28e18735d8e13304ef1adcf4218cec.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:680
- C:\Users\Admin\AppData\Local\Temp\ad28e18735d8e13304ef1adcf4218cec.exe
  "C:\Users\Admin\AppData\Local\Temp\ad28e18735d8e13304ef1adcf4218cec.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Users\Admin\AppData\Local\Temp\._cache_ad28e18735d8e13304ef1adcf4218cec.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_ad28e18735d8e13304ef1adcf4218cec.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1136
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:608
  - - C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1844
    - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
        5⤵
        Executes dropped EXE
        Accesses Microsoft Outlook profiles
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        outlook_office_path
        outlook_win_path
        
        PID:1228

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/608-88-0x0000000004A70000-0x0000000004A71000-memory.dmp

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memory/608-84-0x0000000000970000-0x0000000000971000-memory.dmp

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memory/680-61-0x000000000ACC0000-0x000000000ADCF000-memory.dmp

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memory/680-60-0x00000000083A0000-0x00000000084A5000-memory.dmp

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memory/680-57-0x0000000076171000-0x0000000076173000-memory.dmp

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memory/680-58-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

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memory/680-59-0x0000000000240000-0x0000000000256000-memory.dmp

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memory/680-55-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

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memory/1136-78-0x0000000000120000-0x0000000000121000-memory.dmp

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memory/1136-87-0x0000000000520000-0x0000000000521000-memory.dmp

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memory/1228-107-0x0000000000B40000-0x0000000000B41000-memory.dmp

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memory/1228-111-0x0000000004620000-0x0000000004621000-memory.dmp

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memory/1748-69-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1748-72-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1748-68-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1748-64-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1748-63-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1748-65-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1748-62-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1748-66-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1748-73-0x0000000000130000-0x0000000000131000-memory.dmp

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memory/1748-67-0x0000000000400000-0x00000000004E1000-memory.dmp

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memory/1844-110-0x0000000000130000-0x0000000000131000-memory.dmp

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memory/1844-109-0x0000000000400000-0x00000000004E1000-memory.dmp

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