Analysis
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max time kernel
28s -
max time network
11s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 17:07
Static task
static1
Behavioral task
behavioral1
Sample
a04725c62f12ee568bf9115d54485a7a544e417117ba5539f12c7a6e053f723d.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
a04725c62f12ee568bf9115d54485a7a544e417117ba5539f12c7a6e053f723d.dll
-
Size
162KB
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MD5
baf52aadb34e1f2f3c6bc874a90c853f
-
SHA1
bb0788a15caba2a1f8725561be8c8b5d15076d1b
-
SHA256
a04725c62f12ee568bf9115d54485a7a544e417117ba5539f12c7a6e053f723d
-
SHA512
ff10943ebe0426b1722ffed176a8f96f6c9d35020c6bad67057e3f6d03deb862363d8beec9cf18ed5897488f78b057b4c98805f4c43d75a36579f0df934d8bf8
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 behavioral1/memory/1820-62-0x0000000074930000-0x000000007495E000-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 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1776 wrote to memory of 1820 1776 rundll32.exe rundll32.exe PID 1776 wrote to memory of 1820 1776 rundll32.exe rundll32.exe PID 1776 wrote to memory of 1820 1776 rundll32.exe rundll32.exe PID 1776 wrote to memory of 1820 1776 rundll32.exe rundll32.exe PID 1776 wrote to memory of 1820 1776 rundll32.exe rundll32.exe PID 1776 wrote to memory of 1820 1776 rundll32.exe rundll32.exe PID 1776 wrote to memory of 1820 1776 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a04725c62f12ee568bf9115d54485a7a544e417117ba5539f12c7a6e053f723d.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a04725c62f12ee568bf9115d54485a7a544e417117ba5539f12c7a6e053f723d.dll,#12⤵
- Checks whether UAC is enabled
PID:1820
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1820-60-0x0000000000000000-mapping.dmp
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memory/1820-61-0x0000000075C31000-0x0000000075C33000-memory.dmpFilesize
8KB
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memory/1820-62-0x0000000074930000-0x000000007495E000-memory.dmpFilesize
184KB
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memory/1820-64-0x0000000000160000-0x0000000000166000-memory.dmpFilesize
24KB