Analysis
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max time kernel
25s -
max time network
75s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
21-04-2021 17:55
Static task
static1
General
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Target
a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57.dll
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Size
157KB
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MD5
015f15d96810324990d42fcd1a09e0c9
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SHA1
f1c615faedaf1585a03a9058e3ef86088ce59a54
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SHA256
a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57
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SHA512
6e47464a817122c84afbbfa215de358289c01e80d37b3d4e9cfe15cb85cb99f03eb1902f7a335defa868bbacf422cbc0f2e88895f83d68a07d538f0317de79c2
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
159.8.59.82:443
51.91.156.39:2303
67.196.50.240:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/4076-115-0x00000000755E0000-0x000000007560D000-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 3944 wrote to memory of 4076 3944 rundll32.exe rundll32.exe PID 3944 wrote to memory of 4076 3944 rundll32.exe rundll32.exe PID 3944 wrote to memory of 4076 3944 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57.dll,#12⤵
- Checks whether UAC is enabled