Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 18:03
Static task
static1
Behavioral task
behavioral1
Sample
f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll
-
Size
158KB
-
MD5
9ce82e399c787d2371560175c0beb54c
-
SHA1
482456ccc01b3128ac157cb8d902b73c2e57d2a3
-
SHA256
f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc
-
SHA512
2352d680117fa55c3372633d6f856b878277ed1fdcb2d704deb04219a999821f734c33a552d06abe791735298fd8907d959d71f4c7afe404df19cb19da076eee
Malware Config
Extracted
Family
dridex
Botnet
40111
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/1900-61-0x0000000074C90000-0x0000000074CBD000-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 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll,#12⤵
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1900-59-0x0000000000000000-mapping.dmp
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memory/1900-60-0x00000000753B1000-0x00000000753B3000-memory.dmpFilesize
8KB
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memory/1900-61-0x0000000074C90000-0x0000000074CBD000-memory.dmpFilesize
180KB
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memory/1900-63-0x00000000001D0000-0x00000000001D6000-memory.dmpFilesize
24KB