Analysis
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max time kernel
83s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2022 06:30
Static task
static1
Behavioral task
behavioral1
Sample
849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b.dll
Resource
win7-20220901-en
General
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Target
849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b.dll
-
Size
244KB
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MD5
527acdff5f6083b091e9361ecc9bed36
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SHA1
2028f4ccb2e8b95f296a3ea61d6be597303efba3
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SHA256
849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b
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SHA512
c691c182fd6fc03ae75d602bf4c6466128e16803cbfd8d55db9f3e41c35b602fd5214db03d0fd8a8e8d7bc58cf82f97f246ff8411c763b7a8cf586b34c9d0049
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SSDEEP
3072:dmMHLYjs2g+ciAlYDyOWIsh0pMf+66C4FxTdCU1byGkGcyXDTERlDkr/:drHL+tg+cGyZzheB6b4fJCwb8d0E
Malware Config
Extracted
dridex
22201
195.154.146.84:443
45.56.121.87:8116
157.245.222.44:5723
Signatures
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Processes:
resource yara_rule behavioral2/memory/5104-138-0x0000000075220000-0x000000007524F000-memory.dmp dridex_ldr behavioral2/memory/5104-139-0x0000000075220000-0x000000007525E000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4232 5104 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4820 wrote to memory of 5104 4820 rundll32.exe rundll32.exe PID 4820 wrote to memory of 5104 4820 rundll32.exe rundll32.exe PID 4820 wrote to memory of 5104 4820 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b.dll,#12⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 6203⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5104 -ip 51041⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/5104-132-0x0000000000000000-mapping.dmp
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memory/5104-133-0x0000000075220000-0x000000007525E000-memory.dmpFilesize
248KB
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memory/5104-137-0x0000000001490000-0x0000000001496000-memory.dmpFilesize
24KB
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memory/5104-138-0x0000000075220000-0x000000007524F000-memory.dmpFilesize
188KB
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memory/5104-139-0x0000000075220000-0x000000007525E000-memory.dmpFilesize
248KB
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memory/5104-140-0x0000000002EB0000-0x0000000002EB6000-memory.dmpFilesize
24KB