Analysis
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max time kernel
29s -
max time network
15s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 16:24
Static task
static1
Behavioral task
behavioral1
Sample
90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2.dll
Resource
win7v20210408
0 signatures
0 seconds
General
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Target
90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2.dll
-
Size
161KB
-
MD5
c3a29464d7a41dc1bad595bca2ab867f
-
SHA1
d080b4521d310c233ea301e82221ea1d9cebc671
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SHA256
90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2
-
SHA512
690b60eeee51256e4fa309a8f71acf642e58ab8c4a4375658a9eb09e31d773419165276740a4fb8fd8e14153f7560220302fb449e3fd822d82ef3c45d2e73cb5
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/1872-62-0x0000000075200000-0x000000007522E000-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 1080 wrote to memory of 1872 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 1872 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 1872 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 1872 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 1872 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 1872 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 1872 1080 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2.dll,#12⤵
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1872-60-0x0000000000000000-mapping.dmp
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memory/1872-61-0x0000000075D11000-0x0000000075D13000-memory.dmpFilesize
8KB
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memory/1872-62-0x0000000075200000-0x000000007522E000-memory.dmpFilesize
184KB
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memory/1872-64-0x0000000000150000-0x0000000000156000-memory.dmpFilesize
24KB