dridex | c60194aa02c0f072e83d65fbbdf6cab49ba8e528443146a83685ca39739ff715

Analysis

Target
dca7e5eee5f29e8051b7b6f7e663fcfb.dll
Size 512KB
Sample211220-vfpblsbcd4
SHA256 c60194aa02c0f072e83d65fbbdf6cab49ba8e528443146a83685ca39739ff715
MD5 dca7e5eee5f29e8051b7b6f7e663fcfb
SHA1 e384382e6954b8f94b194b22b2fb10520929fe42
SHA512 a7f8c318ef73e9f580a60d8f415e48a25f83cb70f1ebad3cb72fca46985d2398291ad8063ae1f8c111a8cbf7afb74b35ec6d28ea0575f78b34770652fdf6f417
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/1528-57-0x0000000074950000-0x00000000749D1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
576	1528	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
576	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	576	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 1528	1568	rundll32.exe	27
PID 1568 wrote to memory of 1528	1568	rundll32.exe	27
PID 1568 wrote to memory of 1528	1568	rundll32.exe	27
PID 1568 wrote to memory of 1528	1568	rundll32.exe	27
PID 1568 wrote to memory of 1528	1568	rundll32.exe	27
PID 1568 wrote to memory of 1528	1568	rundll32.exe	27
PID 1568 wrote to memory of 1528	1568	rundll32.exe	27
PID 1528 wrote to memory of 576	1528	rundll32.exe	28
PID 1528 wrote to memory of 576	1528	rundll32.exe	28
PID 1528 wrote to memory of 576	1528	rundll32.exe	28
PID 1528 wrote to memory of 576	1528	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dca7e5eee5f29e8051b7b6f7e663fcfb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dca7e5eee5f29e8051b7b6f7e663fcfb.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:576

memory/576-61-0x0000000000310000-0x0000000000311000-memory.dmp

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memory/1528-56-0x0000000076371000-0x0000000076373000-memory.dmp

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memory/1528-57-0x0000000074950000-0x00000000749D1000-memory.dmp

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memory/1528-59-0x0000000000140000-0x0000000000146000-memory.dmp

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