dridex | 176d3e38c6782bf313d6d5f23a14f2e7692181ee50a7b2a2b130caae82e46148

Analysis

Target
cc810495ba0d64d3b6081d6006607bc2.dll
Size 512KB
Sample211220-vreasabcf9
SHA256 176d3e38c6782bf313d6d5f23a14f2e7692181ee50a7b2a2b130caae82e46148
MD5 cc810495ba0d64d3b6081d6006607bc2
SHA1 1aee22f98f546977d0df7c36e8c583915d003a6c
SHA512 edbea012640ef80b2430946321e6a62ee5b907df7f28deb23a43b64f0b6833e3efbcb100ce1400fef2aa4d37881f0365962c0846171c2af92f2fccf17c4f2410
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/620-56-0x00000000754F0000-0x0000000075571000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1224	620	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1224	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1224	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 620	1572	rundll32.exe	27
PID 1572 wrote to memory of 620	1572	rundll32.exe	27
PID 1572 wrote to memory of 620	1572	rundll32.exe	27
PID 1572 wrote to memory of 620	1572	rundll32.exe	27
PID 1572 wrote to memory of 620	1572	rundll32.exe	27
PID 1572 wrote to memory of 620	1572	rundll32.exe	27
PID 1572 wrote to memory of 620	1572	rundll32.exe	27
PID 620 wrote to memory of 1224	620	rundll32.exe	28
PID 620 wrote to memory of 1224	620	rundll32.exe	28
PID 620 wrote to memory of 1224	620	rundll32.exe	28
PID 620 wrote to memory of 1224	620	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cc810495ba0d64d3b6081d6006607bc2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cc810495ba0d64d3b6081d6006607bc2.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1224

memory/620-55-0x0000000076071000-0x0000000076073000-memory.dmp

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memory/620-56-0x00000000754F0000-0x0000000075571000-memory.dmp

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memory/620-58-0x00000000000E0000-0x00000000000E6000-memory.dmp

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memory/1224-60-0x0000000000330000-0x0000000000331000-memory.dmp

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