dridex | 82b59ec5899809d0e8bab3cbf8775d994af9cfb9213d1b3650032d263ebcba05

Analysis

Target
a6944ac62af797312a39f9fc1daf5b3b.dll
Size 476KB
Sample211206-rmvkeshbc7
SHA256 82b59ec5899809d0e8bab3cbf8775d994af9cfb9213d1b3650032d263ebcba05
MD5 a6944ac62af797312a39f9fc1daf5b3b
SHA1 81c7a007f1d6b8bb73ddaa933877d35f9976de4b
SHA512 80e2ff075eb1816c940b9f539d489db9ca53792a51eedebd3a311bda04e0c8588a81a005bb64c366303b3dfdb9ce13daa0fb7b7690f6d0cc625412229b758747
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/1744-57-0x0000000075340000-0x00000000753B9000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
380	1744	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
380	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	380	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 1744	1876	rundll32.exe	27
PID 1876 wrote to memory of 1744	1876	rundll32.exe	27
PID 1876 wrote to memory of 1744	1876	rundll32.exe	27
PID 1876 wrote to memory of 1744	1876	rundll32.exe	27
PID 1876 wrote to memory of 1744	1876	rundll32.exe	27
PID 1876 wrote to memory of 1744	1876	rundll32.exe	27
PID 1876 wrote to memory of 1744	1876	rundll32.exe	27
PID 1744 wrote to memory of 380	1744	rundll32.exe	29
PID 1744 wrote to memory of 380	1744	rundll32.exe	29
PID 1744 wrote to memory of 380	1744	rundll32.exe	29
PID 1744 wrote to memory of 380	1744	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6944ac62af797312a39f9fc1daf5b3b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6944ac62af797312a39f9fc1daf5b3b.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 344
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:380

memory/380-62-0x00000000001C0000-0x00000000001C1000-memory.dmp

Download

memory/1744-56-0x0000000075B71000-0x0000000075B73000-memory.dmp

Download

memory/1744-57-0x0000000075340000-0x00000000753B9000-memory.dmp

Download

memory/1744-60-0x0000000000100000-0x0000000000106000-memory.dmp

Download