Analysis
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max time kernel
122s -
max time network
121s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 17:08
Static task
static1
Behavioral task
behavioral1
Sample
e278999b340022a53e6cf5a1714ddce8a55e6ac2ef83071ddd5a042cc9ccc407.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
e278999b340022a53e6cf5a1714ddce8a55e6ac2ef83071ddd5a042cc9ccc407.dll
-
Size
161KB
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MD5
8083b4454bdc8f81530cfdc2320138bf
-
SHA1
ab75ba042dafdd4a75e703769b799c8b1668b929
-
SHA256
e278999b340022a53e6cf5a1714ddce8a55e6ac2ef83071ddd5a042cc9ccc407
-
SHA512
6a6ec523cea17b99e8f818d219cb1f53a9bc5ac7b0a5e1305438ba24cda2cf8d9040809e502ae1e4695b645a36ae31f91d276dc1a3e45acc6320dd978f2ac06f
Malware Config
Extracted
Family
dridex
Botnet
40111
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/1816-62-0x0000000074920000-0x000000007494E000-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 1640 wrote to memory of 1816 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 1816 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 1816 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 1816 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 1816 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 1816 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 1816 1640 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e278999b340022a53e6cf5a1714ddce8a55e6ac2ef83071ddd5a042cc9ccc407.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e278999b340022a53e6cf5a1714ddce8a55e6ac2ef83071ddd5a042cc9ccc407.dll,#12⤵
- Checks whether UAC is enabled
PID:1816
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1816-60-0x0000000000000000-mapping.dmp
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memory/1816-61-0x0000000075631000-0x0000000075633000-memory.dmpFilesize
8KB
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memory/1816-62-0x0000000074920000-0x000000007494E000-memory.dmpFilesize
184KB
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memory/1816-64-0x00000000001D0000-0x00000000001D6000-memory.dmpFilesize
24KB