Analysis
- max time kernel
143s - max time network
158s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
20/12/2021, 17:13
Static task
static1
Behavioral task
behavioral1
Sample
a6d88fcc61ecbdc52470006b5a9afca3.dll
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target a6d88fcc61ecbdc52470006b5a9afca3.dll
- Size 512KB
- Sample211220-vreasabcf8
- SHA256 f0f8c65ff33028fffaa1b7e9e18dacd896e0b0e8a9fa6e234c719b030b9741ac
- MD5 a6d88fcc61ecbdc52470006b5a9afca3
- SHA1 726ac423bdfad2b51413cd88f277e12511140557
- SHA512 3a7fd3ab3861e09ba0c8230f0254d5e26f9d25cc1bfa758fc4224b51ea9207a92a095a231a80ba88404e189e2e520c92e7163301f146dab577a8df489da245cd
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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dridex
Botnet
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22203
C2
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51.159.52.196:443
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134.209.247.135:6602
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194.233.68.48:5228
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89.31.56.58:593
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral2/memory/3980-118-0x00000000739E0000-0x0000000073A61000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 1148 3980 WerFault.exe 68 - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1148 WerFault.exe Token: SeBackupPrivilege 1148 WerFault.exe Token: SeDebugPrivilege 1148 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3728 wrote to memory of 3980 3728 rundll32.exe 68 PID 3728 wrote to memory of 3980 3728 rundll32.exe 68 PID 3728 wrote to memory of 3980 3728 rundll32.exe 68
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a6d88fcc61ecbdc52470006b5a9afca3.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a6d88fcc61ecbdc52470006b5a9afca3.dll,#12⤵PID:3980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 6843⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1148
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