dridex | 85890ee7659c717dfbddc97ffbcd01b495d3a28c728b35cf1cd6ac1ebd306c92

Analysis

Target
f4722985d67aea925ddf2d1fa233c288.dll
Size 512KB
Sample211220-vreasabcg2
SHA256 85890ee7659c717dfbddc97ffbcd01b495d3a28c728b35cf1cd6ac1ebd306c92
MD5 f4722985d67aea925ddf2d1fa233c288
SHA1 689bbe120a842820ca7e1332d706b001caa2e068
SHA512 e3cf21f65a0217624b44f65f1ab02325818670f3dfcf74b150df5a68ab8705d720b736503ea94f6ea861f92e61f7489383603efb72c812e41351ad62b88318a2
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/2040-57-0x0000000074E50000-0x0000000074ED1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
672	2040	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
672	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	672	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2040	2008	rundll32.exe	27
PID 2008 wrote to memory of 2040	2008	rundll32.exe	27
PID 2008 wrote to memory of 2040	2008	rundll32.exe	27
PID 2008 wrote to memory of 2040	2008	rundll32.exe	27
PID 2008 wrote to memory of 2040	2008	rundll32.exe	27
PID 2008 wrote to memory of 2040	2008	rundll32.exe	27
PID 2008 wrote to memory of 2040	2008	rundll32.exe	27
PID 2040 wrote to memory of 672	2040	rundll32.exe	28
PID 2040 wrote to memory of 672	2040	rundll32.exe	28
PID 2040 wrote to memory of 672	2040	rundll32.exe	28
PID 2040 wrote to memory of 672	2040	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4722985d67aea925ddf2d1fa233c288.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4722985d67aea925ddf2d1fa233c288.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:672

memory/672-61-0x0000000000260000-0x0000000000261000-memory.dmp

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memory/2040-56-0x00000000760F1000-0x00000000760F3000-memory.dmp

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memory/2040-57-0x0000000074E50000-0x0000000074ED1000-memory.dmp

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memory/2040-59-0x0000000000130000-0x0000000000136000-memory.dmp

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