Analysis
-
max time kernel
490s -
max time network
500s -
platform
windows7_x64 -
resource
win7-20240903-en -
submitted
02-12-2024 11:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
DKyVKmgVSvviRl.bat
Resource
win7-20240903-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
DKyVKmgVSvviRl.bat
Resource
win10v2004-20241007-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral3
Sample
aMLjTIhBvevLGx.dll
Resource
win7-20241023-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral4
Sample
aMLjTIhBvevLGx.dll
Resource
win10v2004-20241007-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral5
Sample
details.lnk
Resource
win7-20240903-en
windows7-x64
6 signatures
150 seconds
Malware Config
Extracted
Family
bumblebee
Botnet
0411
C2
192.119.120.146:443
54.37.131.10:443
146.70.139.252:443
rc4.plain
Signatures
-
Bumblebee family
-
Blocklisted process makes network request 24 IoCs
flow pid Process 2 2240 rundll32.exe 3 2240 rundll32.exe 4 2240 rundll32.exe 5 2240 rundll32.exe 6 2240 rundll32.exe 7 2240 rundll32.exe 8 2240 rundll32.exe 9 2240 rundll32.exe 10 2240 rundll32.exe 11 2240 rundll32.exe 12 2240 rundll32.exe 13 2240 rundll32.exe 14 2240 rundll32.exe 15 2240 rundll32.exe 16 2240 rundll32.exe 17 2240 rundll32.exe 18 2240 rundll32.exe 19 2240 rundll32.exe 20 2240 rundll32.exe 21 2240 rundll32.exe 22 2240 rundll32.exe 23 2240 rundll32.exe 24 2240 rundll32.exe 25 2240 rundll32.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2240 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2148 wrote to memory of 2240 2148 cmd.exe 31 PID 2148 wrote to memory of 2240 2148 cmd.exe 31 PID 2148 wrote to memory of 2240 2148 cmd.exe 31
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\DKyVKmgVSvviRl.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\system32\rundll32.exerundll32 aMLjTIhBvevLGx.dll,SendData2⤵
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
PID:2240
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