dridex | f0f8c65ff33028fffaa1b7e9e18dacd896e0b0e8a9fa6e234c719b030b9741ac

Analysis

Target
a6d88fcc61ecbdc52470006b5a9afca3.dll
Size 512KB
Sample211220-vreasabcf8
SHA256 f0f8c65ff33028fffaa1b7e9e18dacd896e0b0e8a9fa6e234c719b030b9741ac
MD5 a6d88fcc61ecbdc52470006b5a9afca3
SHA1 726ac423bdfad2b51413cd88f277e12511140557
SHA512 3a7fd3ab3861e09ba0c8230f0254d5e26f9d25cc1bfa758fc4224b51ea9207a92a095a231a80ba88404e189e2e520c92e7163301f146dab577a8df489da245cd
MD5 SHA1 SHA512

Score

10^/10

Family

Botnet

rc4.plain

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

resource	yara_rule
behavioral1/memory/880-56-0x0000000075060000-0x00000000750E1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
528	880	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
528	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	528	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 880	1520	rundll32.exe	27
PID 1520 wrote to memory of 880	1520	rundll32.exe	27
PID 1520 wrote to memory of 880	1520	rundll32.exe	27
PID 1520 wrote to memory of 880	1520	rundll32.exe	27
PID 1520 wrote to memory of 880	1520	rundll32.exe	27
PID 1520 wrote to memory of 880	1520	rundll32.exe	27
PID 1520 wrote to memory of 880	1520	rundll32.exe	27
PID 880 wrote to memory of 528	880	rundll32.exe	28
PID 880 wrote to memory of 528	880	rundll32.exe	28
PID 880 wrote to memory of 528	880	rundll32.exe	28
PID 880 wrote to memory of 528	880	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6d88fcc61ecbdc52470006b5a9afca3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6d88fcc61ecbdc52470006b5a9afca3.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:528

memory/528-60-0x0000000000290000-0x0000000000291000-memory.dmp

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memory/880-55-0x0000000075D61000-0x0000000075D63000-memory.dmp

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memory/880-56-0x0000000075060000-0x00000000750E1000-memory.dmp

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memory/880-58-0x0000000000230000-0x0000000000236000-memory.dmp

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