Analysis
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max time kernel
138s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2022 20:59
Static task
static1
Behavioral task
behavioral1
Sample
AxRHrzxRUiEjUG.bat
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
AxRHrzxRUiEjUG.bat
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
XzdVAVxwxRDMJS.dll
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
XzdVAVxwxRDMJS.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
required info.lnk
Resource
win7-20220812-en
General
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Target
AxRHrzxRUiEjUG.bat
-
Size
1KB
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MD5
02b5d8a62fd7a5418040d97f23e61b71
-
SHA1
a532270410388c0a38c66b733c40be871014dbef
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SHA256
e42729d59278b7028d201e42f711d7da0690f3a1b9c52400c743a8fc403452cc
-
SHA512
cab809df72d506d3502e6ba1b58964f8333caa18a2ba205354b2ded296fcab610c71b1c4b96dbe757b4a2d290a36dbb766877393539c7d5d469dd8325646bbfc
Malware Config
Extracted
bumblebee
0111
102.151.221.33:443
104.244.77.61:443
212.114.52.124:443
23.106.160.141:443
198.98.56.242:443
23.108.57.5:443
Signatures
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Blocklisted process makes network request 6 IoCs
flow pid Process 28 3868 rundll32.exe 33 3868 rundll32.exe 34 3868 rundll32.exe 38 3868 rundll32.exe 41 3868 rundll32.exe 42 3868 rundll32.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 3868 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2120 wrote to memory of 3868 2120 cmd.exe 81 PID 2120 wrote to memory of 3868 2120 cmd.exe 81
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\AxRHrzxRUiEjUG.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\system32\rundll32.exerundll32 XzdVAVxwxRDMJS.dll,RemoveSettings2⤵
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
PID:3868
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