dridex | b33f7632696b48108f33d008571fb9a28c9f2ed74ad883fdc70d385e2b861391

Analysis

Target
bba3450fe0a67a95d8bbd4b736face4f.dll
Size 512KB
Sample211220-vreasacbcq
SHA256 b33f7632696b48108f33d008571fb9a28c9f2ed74ad883fdc70d385e2b861391
MD5 bba3450fe0a67a95d8bbd4b736face4f
SHA1 63a5c4227c7b6ab6b25638ab9b2455dca83c9d99
SHA512 f72f0885d4bea39da95a0e1e2f232afff62992c5b51e6e3371d052ffeb8f3723bd5688c9398006cb09440758347d78079fbbf886f8bcf05507b2b85305b4b2e2
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/1804-57-0x0000000074AB0000-0x0000000074B31000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1888	1804	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1888	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 1804	1180	rundll32.exe	27
PID 1180 wrote to memory of 1804	1180	rundll32.exe	27
PID 1180 wrote to memory of 1804	1180	rundll32.exe	27
PID 1180 wrote to memory of 1804	1180	rundll32.exe	27
PID 1180 wrote to memory of 1804	1180	rundll32.exe	27
PID 1180 wrote to memory of 1804	1180	rundll32.exe	27
PID 1180 wrote to memory of 1804	1180	rundll32.exe	27
PID 1804 wrote to memory of 1888	1804	rundll32.exe	28
PID 1804 wrote to memory of 1888	1804	rundll32.exe	28
PID 1804 wrote to memory of 1888	1804	rundll32.exe	28
PID 1804 wrote to memory of 1888	1804	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bba3450fe0a67a95d8bbd4b736face4f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bba3450fe0a67a95d8bbd4b736face4f.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1888

memory/1804-56-0x0000000075831000-0x0000000075833000-memory.dmp

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memory/1804-57-0x0000000074AB0000-0x0000000074B31000-memory.dmp

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memory/1804-59-0x0000000000210000-0x0000000000216000-memory.dmp

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memory/1888-61-0x00000000004B0000-0x00000000004B1000-memory.dmp

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