dridex | b856b7bf0644dedaadccdc0c6b6c17edffb8d82abfac2db29e6107ecb8ae2912

Analysis

Target
25556d4ec050f98c761321c94b25f203.dll
Size 648KB
Sample211118-egs37aefd2
SHA256 b856b7bf0644dedaadccdc0c6b6c17edffb8d82abfac2db29e6107ecb8ae2912
MD5 25556d4ec050f98c761321c94b25f203
SHA1 f0ece10a5026096c3e6e5259bc74d8c88485bdd0
SHA512 fb7bb71b7b24fb0cf3efb4a30f7420a524af6ac51c739005f42f8b8b5b89efd7a8806e489a0be896cbcd8f546a2de1b41b1af03ac7306faedad58b58158070ed
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/548-57-0x0000000074E30000-0x0000000074ED4000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1480	548	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1480	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 548	1592	rundll32.exe	28
PID 1592 wrote to memory of 548	1592	rundll32.exe	28
PID 1592 wrote to memory of 548	1592	rundll32.exe	28
PID 1592 wrote to memory of 548	1592	rundll32.exe	28
PID 1592 wrote to memory of 548	1592	rundll32.exe	28
PID 1592 wrote to memory of 548	1592	rundll32.exe	28
PID 1592 wrote to memory of 548	1592	rundll32.exe	28
PID 548 wrote to memory of 1480	548	rundll32.exe	29
PID 548 wrote to memory of 1480	548	rundll32.exe	29
PID 548 wrote to memory of 1480	548	rundll32.exe	29
PID 548 wrote to memory of 1480	548	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25556d4ec050f98c761321c94b25f203.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\25556d4ec050f98c761321c94b25f203.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 268
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1480

memory/548-56-0x0000000075731000-0x0000000075733000-memory.dmp

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memory/548-57-0x0000000074E30000-0x0000000074ED4000-memory.dmp

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memory/548-59-0x00000000000C0000-0x00000000000C6000-memory.dmp

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memory/1480-62-0x00000000006F0000-0x00000000006F1000-memory.dmp

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