dridex | a8897a78cf5acc27d3f7a4b9d71f23f21e669b47628ef2964a2a455f2ead22b1

Analysis

Target
42667a37b39622294a468e6b220cc697.dll
Size 512KB
Sample211220-ve5bfabcc8
SHA256 a8897a78cf5acc27d3f7a4b9d71f23f21e669b47628ef2964a2a455f2ead22b1
MD5 42667a37b39622294a468e6b220cc697
SHA1 613218076c845faf459c24067e381cec9d79f1be
SHA512 2dcc5955d9d23358e28d9f819f07d845c42373690079d2b93b70bbe8a550c2413771e8d21ecfbca707383fb433ba62473d5a05d2c8b07953ebedf351bc75c25d
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/1608-56-0x0000000075240000-0x00000000752C1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
520	1608	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
520	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1608	1532	rundll32.exe	27
PID 1532 wrote to memory of 1608	1532	rundll32.exe	27
PID 1532 wrote to memory of 1608	1532	rundll32.exe	27
PID 1532 wrote to memory of 1608	1532	rundll32.exe	27
PID 1532 wrote to memory of 1608	1532	rundll32.exe	27
PID 1532 wrote to memory of 1608	1532	rundll32.exe	27
PID 1532 wrote to memory of 1608	1532	rundll32.exe	27
PID 1608 wrote to memory of 520	1608	rundll32.exe	28
PID 1608 wrote to memory of 520	1608	rundll32.exe	28
PID 1608 wrote to memory of 520	1608	rundll32.exe	28
PID 1608 wrote to memory of 520	1608	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42667a37b39622294a468e6b220cc697.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42667a37b39622294a468e6b220cc697.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:520

memory/520-60-0x00000000004E0000-0x00000000004E1000-memory.dmp

Download

memory/1608-55-0x0000000076C61000-0x0000000076C63000-memory.dmp

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memory/1608-56-0x0000000075240000-0x00000000752C1000-memory.dmp

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memory/1608-59-0x00000000001F0000-0x00000000001F6000-memory.dmp

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