Analysis
-
max time kernel
118s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
23-10-2023 16:28
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe
Resource
win10v2004-20231020-en
General
-
Target
NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe
-
Size
622KB
-
MD5
b4d7f22c8fa0d77d4ca4aa60e381a0f2
-
SHA1
f6af8b30e8e979fd2c246e65f78b59c0eb04e36c
-
SHA256
1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0
-
SHA512
beb52b162712cf785d5ec7d5f8b4be6e1328a288f121d5cd8385a7128f28c7a3cdc249491158081a354581b6b3e6159d8183a533d57f7392efe657c041e72676
-
SSDEEP
12288:hCUeIBMSjOwO7mdVr30Pps3m2h8k678G5gCzku7nbIyq1XPDV1dO8Hb3EJ:FowEaVrEBsJh8v80Uuo
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6454266704:AAGc7MbDFOw3VJ52r1hPLsjSZvjH8GUmylk/sendMessage?chat_id=1467583453
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/2580-12-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2580-13-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2580-16-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2580-18-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2580-20-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2580-23-0x0000000004BF0000-0x0000000004C30000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.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 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2628 set thread context of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2580 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 2580 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2580 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 PID 2628 wrote to memory of 2580 2628 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\Temp\NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0exe_JC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2580
-