Analysis
-
max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28-03-2024 14:18
Behavioral task
behavioral1
Sample
New-Client.exe
Resource
win7-20240221-en
General
-
Target
New-Client.exe
-
Size
137KB
-
MD5
f000f3f61e4c9a88563bc5443911fdeb
-
SHA1
7c4e4e79d4d0f52ac8272e31df85b34718a18661
-
SHA256
3527e234b5df8f9f1094ea632ff826c4b40941b75d89938794aa5d8ae1dc885e
-
SHA512
4f518a1bbc2dabc39cf8427fda0ef9dd3f1a018fd5665c9dfd872e51c86122c253d721850c312f5721db448909f059b6d9cc4c97932bbf82e90d9b3f3b0a9c80
-
SSDEEP
768:opVG6Xbwt81vcW45NAepI6GNUlzLcXqo5mjXSj2X0GGmr0qZvRFIu+jfVzErx2:opFbwtsE3EeO6GNUl8rs2oBGPqZbIBI
Malware Config
Extracted
limerat
-
aes_key
tobikjenegr
-
antivm
false
-
c2_url
https://pastebin.com/raw/BjpYs2j2
-
delay
3
-
download_payload
false
-
install
true
-
install_name
fsds.exe
-
main_folder
AppData
-
pin_spread
false
-
sub_folder
\fasdasfdfsdfsda\
-
usb_spread
false
Extracted
limerat
-
antivm
false
-
c2_url
https://pastebin.com/raw/BjpYs2j2
-
download_payload
false
-
install
false
-
pin_spread
false
-
usb_spread
false
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
fsds.exepid process 2784 fsds.exe -
Loads dropped DLL 2 IoCs
Processes:
New-Client.exepid process 1460 New-Client.exe 1460 New-Client.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
fsds.exedescription pid process Token: SeDebugPrivilege 2784 fsds.exe Token: SeDebugPrivilege 2784 fsds.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
New-Client.exedescription pid process target process PID 1460 wrote to memory of 2564 1460 New-Client.exe schtasks.exe PID 1460 wrote to memory of 2564 1460 New-Client.exe schtasks.exe PID 1460 wrote to memory of 2564 1460 New-Client.exe schtasks.exe PID 1460 wrote to memory of 2564 1460 New-Client.exe schtasks.exe PID 1460 wrote to memory of 2784 1460 New-Client.exe fsds.exe PID 1460 wrote to memory of 2784 1460 New-Client.exe fsds.exe PID 1460 wrote to memory of 2784 1460 New-Client.exe fsds.exe PID 1460 wrote to memory of 2784 1460 New-Client.exe fsds.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\New-Client.exe"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe'"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe"C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
-
C:\Users\Admin\AppData\Local\Temp\Tar5E5E.tmpFilesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
-
\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exeFilesize
137KB
MD5f000f3f61e4c9a88563bc5443911fdeb
SHA17c4e4e79d4d0f52ac8272e31df85b34718a18661
SHA2563527e234b5df8f9f1094ea632ff826c4b40941b75d89938794aa5d8ae1dc885e
SHA5124f518a1bbc2dabc39cf8427fda0ef9dd3f1a018fd5665c9dfd872e51c86122c253d721850c312f5721db448909f059b6d9cc4c97932bbf82e90d9b3f3b0a9c80
-
memory/1460-0-0x0000000001370000-0x0000000001398000-memory.dmpFilesize
160KB
-
memory/1460-1-0x00000000745D0000-0x0000000074CBE000-memory.dmpFilesize
6.9MB
-
memory/1460-3-0x0000000004D50000-0x0000000004D90000-memory.dmpFilesize
256KB
-
memory/1460-14-0x00000000745D0000-0x0000000074CBE000-memory.dmpFilesize
6.9MB
-
memory/2784-15-0x00000000745D0000-0x0000000074CBE000-memory.dmpFilesize
6.9MB
-
memory/2784-13-0x0000000000860000-0x0000000000888000-memory.dmpFilesize
160KB
-
memory/2784-53-0x00000000745D0000-0x0000000074CBE000-memory.dmpFilesize
6.9MB