dridex | 02bb6e26478dea01be6fd5c9fc57c2258b8195c2ff5b41a15deb43b05cf0af36

Analysis

Target
d542e6b8aea4af0beeeafe50b5d66025.dll
Size 512KB
Sample211220-vfpblsbcd2
SHA256 02bb6e26478dea01be6fd5c9fc57c2258b8195c2ff5b41a15deb43b05cf0af36
MD5 d542e6b8aea4af0beeeafe50b5d66025
SHA1 01327f9610d0c955c644e5a61b35b4b01a64ae6b
SHA512 b7ab01a7efddc23d6813ca9def0ee7bfccd3140c1586676b204459c1b8b937a8ea6925cf87aaa60bbed9e3321053d28a09984000053f7f286f9c47e781f01c15
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/956-56-0x0000000075480000-0x0000000075501000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1124	956	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1124	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1124	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 956	804	rundll32.exe	27
PID 804 wrote to memory of 956	804	rundll32.exe	27
PID 804 wrote to memory of 956	804	rundll32.exe	27
PID 804 wrote to memory of 956	804	rundll32.exe	27
PID 804 wrote to memory of 956	804	rundll32.exe	27
PID 804 wrote to memory of 956	804	rundll32.exe	27
PID 804 wrote to memory of 956	804	rundll32.exe	27
PID 956 wrote to memory of 1124	956	rundll32.exe	28
PID 956 wrote to memory of 1124	956	rundll32.exe	28
PID 956 wrote to memory of 1124	956	rundll32.exe	28
PID 956 wrote to memory of 1124	956	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d542e6b8aea4af0beeeafe50b5d66025.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d542e6b8aea4af0beeeafe50b5d66025.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1124

memory/956-55-0x0000000075D11000-0x0000000075D13000-memory.dmp

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memory/956-56-0x0000000075480000-0x0000000075501000-memory.dmp

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memory/956-59-0x00000000001B0000-0x00000000001B6000-memory.dmp

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memory/1124-60-0x00000000003F0000-0x00000000003F1000-memory.dmp

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