dridex | 3739d6dfdd6a52951b2a44b2b1c5d0f9486c2df83b789d7e7ab76264d2d5dcde

Analysis

Target
2244cac9d905d4fc819116ba4289da7c.dll
Size 512KB
Sample211220-vfpblsbcd7
SHA256 3739d6dfdd6a52951b2a44b2b1c5d0f9486c2df83b789d7e7ab76264d2d5dcde
MD5 2244cac9d905d4fc819116ba4289da7c
SHA1 e28f4b17fd82f9e0e0f92699820e43ff38630403
SHA512 e2cdac46b06a926fad78304fa6c43e940e649b257661eeaeaae53d25a7a5d8250e701a6a9e9cc0f609546da58fca5e81b81d9cb59fbe6690eded4a8f0bee95c4
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/1720-56-0x0000000074BF0000-0x0000000074C71000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
268	1720	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
268	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 1720	960	rundll32.exe	27
PID 960 wrote to memory of 1720	960	rundll32.exe	27
PID 960 wrote to memory of 1720	960	rundll32.exe	27
PID 960 wrote to memory of 1720	960	rundll32.exe	27
PID 960 wrote to memory of 1720	960	rundll32.exe	27
PID 960 wrote to memory of 1720	960	rundll32.exe	27
PID 960 wrote to memory of 1720	960	rundll32.exe	27
PID 1720 wrote to memory of 268	1720	rundll32.exe	28
PID 1720 wrote to memory of 268	1720	rundll32.exe	28
PID 1720 wrote to memory of 268	1720	rundll32.exe	28
PID 1720 wrote to memory of 268	1720	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2244cac9d905d4fc819116ba4289da7c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2244cac9d905d4fc819116ba4289da7c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:268

memory/268-60-0x00000000003B0000-0x00000000003B1000-memory.dmp

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memory/1720-55-0x0000000076151000-0x0000000076153000-memory.dmp

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memory/1720-56-0x0000000074BF0000-0x0000000074C71000-memory.dmp

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memory/1720-59-0x00000000001B0000-0x00000000001B6000-memory.dmp

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