Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14-09-2024 19:11
Static task
static1
Behavioral task
behavioral1
Sample
aa9b7787058c20d3c09e4906cf85dd12077311fbb360385fb19acf2572d63abe.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
aa9b7787058c20d3c09e4906cf85dd12077311fbb360385fb19acf2572d63abe.dll
Resource
win10v2004-20240802-en
General
-
Target
aa9b7787058c20d3c09e4906cf85dd12077311fbb360385fb19acf2572d63abe.dll
-
Size
24KB
-
MD5
ee7aada6b80832d7a48a942a38317559
-
SHA1
599b21569b8e8be062303e8ad476f4f886dbe0c5
-
SHA256
aa9b7787058c20d3c09e4906cf85dd12077311fbb360385fb19acf2572d63abe
-
SHA512
a5a7cebac2cea38b12a9e983b6eb75dccfaf3dae92cac2d6f3a54a7efae549a27fa581656541984267a79a4ec6d11caada629040983690a96d79886907f4d28f
-
SSDEEP
384:A6wL584Z+fsGHpXjWXoZVNBCpz0XjjonCvTAlBwMpkvYDt6B:6fa1jWXobNApIXj8n8tMpMOt6
Malware Config
Extracted
cobaltstrike
http://119.91.195.178:20961/www/handle/docm
-
user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; .NET4.0C; .NET4.0E) QQBrowser/6.9.11079.201
Signatures
-
Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
-
Blocklisted process makes network request 8 IoCs
flow pid Process 1 4996 rundll32.exe 21 4996 rundll32.exe 35 4996 rundll32.exe 38 4996 rundll32.exe 42 4996 rundll32.exe 45 4996 rundll32.exe 46 4996 rundll32.exe 48 4996 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2552 set thread context of 4996 2552 regsvr32.exe 87 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2552 wrote to memory of 4996 2552 regsvr32.exe 87 PID 2552 wrote to memory of 4996 2552 regsvr32.exe 87 PID 2552 wrote to memory of 4996 2552 regsvr32.exe 87
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\aa9b7787058c20d3c09e4906cf85dd12077311fbb360385fb19acf2572d63abe.dll1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\system32\rundll32.exerundll32.exe2⤵
- Blocklisted process makes network request
PID:4996
-