Analysis
-
max time kernel
24s -
max time network
117s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
11-05-2021 12:05
Static task
static1
Behavioral task
behavioral1
Sample
e37bd843_by_Libranalysis.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
e37bd843_by_Libranalysis.dll
-
Size
162KB
-
MD5
e37bd843fd6157acaa8d143594c6c3e2
-
SHA1
dd759c07df8e2a395e1f6f8a580217b51cb65fbf
-
SHA256
1ee607bb332f4725a08f305937b3cb79dcc68298bbcc2d09a5f214dbc2a99fa7
-
SHA512
364adc5fe22885b61188a428fc1f26617e6090414288d1331afaf85072d2f1dd90c7d8a057b25f84231edf732971db172f4927d8c909247f0b2f663a890921fd
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/4012-115-0x00000000735D0000-0x00000000735FE000-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 3908 wrote to memory of 4012 3908 rundll32.exe rundll32.exe PID 3908 wrote to memory of 4012 3908 rundll32.exe rundll32.exe PID 3908 wrote to memory of 4012 3908 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e37bd843_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e37bd843_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled