Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
147s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
26/01/2025, 01:05
Behavioral task
behavioral1
Sample
New-Client.exe
Resource
win7-20240708-en
General
-
Target
New-Client.exe
-
Size
28KB
-
MD5
4d0aec8bfc492c14b05ae73d77ddeb88
-
SHA1
e2146826dd9e6ba28928647ede836bba4fd6513d
-
SHA256
9a0132ffa2f357a871d69f52639ac651f2d637f7c3abe48dac828c3a020e44ec
-
SHA512
a262580d4ff3a29c5e3a4f6d067ca4612eb4409808dc52adb6f4ac1b7fb4bc32fcc627192a787afc4466f2b14ffb716e5deab11bc728d6814d9fefc68715eb85
-
SSDEEP
384:cB+Sbj6NKSR+6VFAHaYzLqDT8tUIjuvDKNrCeJE3WNgbfxuKJNNaceFo8xQro3lf:6pSE6VFwaNDIjk45NsgKJX62mpj
Malware Config
Extracted
limerat
bc1qnrh7c6hgx0c5yrr5e62my3874haeqkeq4cpjpg
-
aes_key
1111
-
antivm
false
-
c2_url
https://pastebin.com/raw/JbhT4370
-
delay
3
-
download_payload
false
-
install
true
-
install_name
Nexus.exe
-
main_folder
Temp
-
pin_spread
true
-
sub_folder
\System\
-
usb_spread
true
Extracted
limerat
-
antivm
false
-
c2_url
https://pastebin.com/raw/JbhT4370
-
download_payload
false
-
install
false
-
pin_spread
false
-
usb_spread
false
Signatures
-
Limerat family
-
Executes dropped EXE 1 IoCs
pid Process 2708 Nexus.exe -
Loads dropped DLL 2 IoCs
pid Process 2208 New-Client.exe 2208 New-Client.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 46 IoCs
flow ioc 41 pastebin.com 46 pastebin.com 15 pastebin.com 16 pastebin.com 21 pastebin.com 26 pastebin.com 29 pastebin.com 38 pastebin.com 47 pastebin.com 5 pastebin.com 6 pastebin.com 11 pastebin.com 14 pastebin.com 22 pastebin.com 27 pastebin.com 10 pastebin.com 25 pastebin.com 28 pastebin.com 43 pastebin.com 49 pastebin.com 7 pastebin.com 35 pastebin.com 40 pastebin.com 45 pastebin.com 48 pastebin.com 36 pastebin.com 37 pastebin.com 9 pastebin.com 17 pastebin.com 18 pastebin.com 19 pastebin.com 24 pastebin.com 33 pastebin.com 42 pastebin.com 44 pastebin.com 30 pastebin.com 31 pastebin.com 34 pastebin.com 8 pastebin.com 20 pastebin.com 32 pastebin.com 39 pastebin.com 4 pastebin.com 12 pastebin.com 13 pastebin.com 23 pastebin.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Nexus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language New-Client.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2808 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2708 Nexus.exe Token: SeDebugPrivilege 2708 Nexus.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2208 wrote to memory of 2808 2208 New-Client.exe 32 PID 2208 wrote to memory of 2808 2208 New-Client.exe 32 PID 2208 wrote to memory of 2808 2208 New-Client.exe 32 PID 2208 wrote to memory of 2808 2208 New-Client.exe 32 PID 2208 wrote to memory of 2708 2208 New-Client.exe 34 PID 2208 wrote to memory of 2708 2208 New-Client.exe 34 PID 2208 wrote to memory of 2708 2208 New-Client.exe 34 PID 2208 wrote to memory of 2708 2208 New-Client.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\New-Client.exe"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\System\Nexus.exe'"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2808
-
-
C:\Users\Admin\AppData\Local\Temp\System\Nexus.exe"C:\Users\Admin\AppData\Local\Temp\System\Nexus.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2708
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
28KB
MD54d0aec8bfc492c14b05ae73d77ddeb88
SHA1e2146826dd9e6ba28928647ede836bba4fd6513d
SHA2569a0132ffa2f357a871d69f52639ac651f2d637f7c3abe48dac828c3a020e44ec
SHA512a262580d4ff3a29c5e3a4f6d067ca4612eb4409808dc52adb6f4ac1b7fb4bc32fcc627192a787afc4466f2b14ffb716e5deab11bc728d6814d9fefc68715eb85