Analysis
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max time kernel
19s -
max time network
116s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15/06/2021, 11:23
Static task
static1
General
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Target
b3d78d6c21ea50d5650cdde99862d23328ebbdb3019cca41459e79a6664c3316.dll
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Size
162KB
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MD5
5fb3d6d275df0f082f42b1f01a38f523
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SHA1
f08be6594eaf18946057557e0646875ef673936e
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SHA256
b3d78d6c21ea50d5650cdde99862d23328ebbdb3019cca41459e79a6664c3316
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SHA512
5ede950c70e99e57758fd9431ec6928035438a5e0fb3c94503ddc3ecca5c6f82c13ff02ed4d51bcf36d391dc2e20558a6db81d0f635cbc326eda5629e0c71573
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
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resource yara_rule behavioral1/memory/3568-115-0x00000000736D0000-0x00000000736FE000-memory.dmp dridex_ldr -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3172 wrote to memory of 3568 3172 rundll32.exe 62 PID 3172 wrote to memory of 3568 3172 rundll32.exe 62 PID 3172 wrote to memory of 3568 3172 rundll32.exe 62
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b3d78d6c21ea50d5650cdde99862d23328ebbdb3019cca41459e79a6664c3316.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b3d78d6c21ea50d5650cdde99862d23328ebbdb3019cca41459e79a6664c3316.dll,#12⤵
- Checks whether UAC is enabled
PID:3568
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