Analysis
- max time kernel
31s - max time network
42s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
13/10/2022, 16:27
Static task
static1
Behavioral task
behavioral1
Sample
CHEESE.exe
Resource
win7-20220812-en
5 signatures
150 seconds
General
- Target CHEESE.exe
- Size 2.4MB
- Sample221013-tx24csdcb6
- SHA256 2180293a0c0b7340f85543d453c10e8f9a059b69a530428fe1858e92a7fa63c3
- MD5 12ef571baf523c098fc4e96bb3759c21
- SHA1 b476dd2bed415fbbc9c96e4a33160d12bf8413bb
- SHA512 e4e2354ee21ede5f3a61c00ac9766736e55e23bd3577b5bc41a7f493b8143159ca8d771fad7af4ee4b7fd56be450b82651f0ce87b82e873119e9f1655ac7249a
- SSDEEP 24576:DYof7x+kxP2gEDiYbYXQZCsuMUTSyzdvi1ucvgDfR1JJMK3LTiF+cTl3RuQ5531C:kozx+kxugEaYu1JJMK3n/al3Q
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
erbium
C2
-
http://77.73.133.53/cloud/index.php
Signatures
- Downloads MZ/PE file
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1672 set thread context of 98660 1672 CHEESE.exe 27 - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1672 wrote to memory of 98660 1672 CHEESE.exe 27 PID 1672 wrote to memory of 98660 1672 CHEESE.exe 27 PID 1672 wrote to memory of 98660 1672 CHEESE.exe 27 PID 1672 wrote to memory of 98660 1672 CHEESE.exe 27 PID 1672 wrote to memory of 98660 1672 CHEESE.exe 27 PID 1672 wrote to memory of 98660 1672 CHEESE.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\CHEESE.exe"C:\Users\Admin\AppData\Local\Temp\CHEESE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:98660
-