Analysis
-
max time kernel
142s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07-02-2024 14:03
Static task
static1
Behavioral task
behavioral1
Sample
5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe
Resource
win7-20231215-en
General
-
Target
5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe
-
Size
703KB
-
MD5
434d182e6e4584f65a8c5f61b2bee723
-
SHA1
fe7632a9cbcec011843577a248b3f40376e4698b
-
SHA256
5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f
-
SHA512
91ef5b8953e0f1202d46b618239776532077ca7a8f3c3e8d1617ee8dd716f4d9e5ce83511e05bb902be31302b473291e05442a760cd4eb9c886cb9a7276be26b
-
SSDEEP
12288:WbiAgYGp7Ev7BUbYCriqEbT0INP9HfBVKqk6MU21NX4alwiXSqtqgj:Fgv7BOTGYPU4XjDSqtq
Malware Config
Extracted
darkcloud
https://api.telegram.org/bot6746383234:AAHJ0bggxpanHasWvjMSekrXd1f03jgHZUM/sendMessage?chat_id=6475103768
Signatures
-
Drops startup file 2 IoCs
Processes:
Powershell.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exedescription pid process target process PID 1784 set thread context of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Powershell.exepid process 2212 Powershell.exe 2212 Powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Powershell.exedescription pid process Token: SeDebugPrivilege 2212 Powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 3304 MSBuild.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exedescription pid process target process PID 1784 wrote to memory of 2212 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe Powershell.exe PID 1784 wrote to memory of 2212 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe Powershell.exe PID 1784 wrote to memory of 2212 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe Powershell.exe PID 1784 wrote to memory of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe PID 1784 wrote to memory of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe PID 1784 wrote to memory of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe PID 1784 wrote to memory of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe PID 1784 wrote to memory of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe PID 1784 wrote to memory of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe PID 1784 wrote to memory of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe PID 1784 wrote to memory of 3304 1784 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe MSBuild.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe"C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2212 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:3304
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82