Analysis
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max time kernel
26s -
max time network
9s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 17:18
Static task
static1
Behavioral task
behavioral1
Sample
4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191.dll
-
Size
158KB
-
MD5
09dbd3800e3d37149fe75c955732b556
-
SHA1
3b0a2054f5a45721a6ed9679a340b6b09423579d
-
SHA256
4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191
-
SHA512
4e956ef689dde9d0a137767455b5ede4c16bead5b9b3631d30972586fb5c5e5ca14aac8227b8096e0037454c1bb024fcb927ee9eda63592d78ac9ca64b280579
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/2020-62-0x0000000074FD0000-0x0000000074FFD000-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 1632 wrote to memory of 2020 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 2020 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 2020 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 2020 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 2020 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 2020 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 2020 1632 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191.dll,#12⤵
- Checks whether UAC is enabled
PID:2020
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/2020-60-0x0000000000000000-mapping.dmp
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memory/2020-61-0x0000000075551000-0x0000000075553000-memory.dmpFilesize
8KB
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memory/2020-62-0x0000000074FD0000-0x0000000074FFD000-memory.dmpFilesize
180KB
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memory/2020-64-0x0000000000670000-0x0000000000676000-memory.dmpFilesize
24KB