Analysis
-
max time kernel
37s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
11-05-2021 13:03
Static task
static1
Behavioral task
behavioral1
Sample
4b6eea3d_by_Libranalysis.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
4b6eea3d_by_Libranalysis.dll
-
Size
162KB
-
MD5
4b6eea3dca1b380025e1f20fdea20edb
-
SHA1
17bdf6effdb89deb63326dda7e2e5cb8f59006c5
-
SHA256
21c7dbe42a69bf51c8e0dbb985afb18520fbc8184ea714b8ff001429a9abaa83
-
SHA512
8dc2840ad0008e818f3b84f5b20bef63d906912ac58cdd7e04c89be2f5b9d0467d6fb29dc25f99e98a0c915eddb0a1b9a056d69713c3cca9802292824d5155e3
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral2/memory/4008-115-0x0000000074390000-0x00000000743BE000-memory.dmp dridex_ldr -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 572 wrote to memory of 4008 572 rundll32.exe rundll32.exe PID 572 wrote to memory of 4008 572 rundll32.exe rundll32.exe PID 572 wrote to memory of 4008 572 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4b6eea3d_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4b6eea3d_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled