dridex | bc38064e8938cff283b33b23ae76faa2dc1a08d5866981c7324183b5922d7434

Analysis

Target
SecuriteInfo.com.W32.AIDetect.malware1.27830.19414.dll
Size 468KB
Sample211220-3avkfacad3
SHA256 bc38064e8938cff283b33b23ae76faa2dc1a08d5866981c7324183b5922d7434
MD5 dd706cc0eb558fe3f9cb37be31d1bfa0
SHA1 b96fe9fac85708a2d56b3d7a9a80af2fa1ac53a2
SHA512 bf00035cdaa4c39087a574678d39a3b83daf85e900eb46eda57f1a5bf1e6aa9f9f70919602f5e6f16ef134ce72d7ff77ecf996f3cab23b4630d2363600eaf663
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/1548-57-0x0000000074710000-0x0000000074786000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
864	1548	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
864	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	864	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1548	1728	rundll32.exe	27
PID 1728 wrote to memory of 1548	1728	rundll32.exe	27
PID 1728 wrote to memory of 1548	1728	rundll32.exe	27
PID 1728 wrote to memory of 1548	1728	rundll32.exe	27
PID 1728 wrote to memory of 1548	1728	rundll32.exe	27
PID 1728 wrote to memory of 1548	1728	rundll32.exe	27
PID 1728 wrote to memory of 1548	1728	rundll32.exe	27
PID 1548 wrote to memory of 864	1548	rundll32.exe	28
PID 1548 wrote to memory of 864	1548	rundll32.exe	28
PID 1548 wrote to memory of 864	1548	rundll32.exe	28
PID 1548 wrote to memory of 864	1548	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.27830.19414.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.27830.19414.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 248
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:864

memory/864-61-0x0000000000490000-0x0000000000491000-memory.dmp

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memory/1548-56-0x0000000074F11000-0x0000000074F13000-memory.dmp

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memory/1548-57-0x0000000074710000-0x0000000074786000-memory.dmp

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memory/1548-60-0x00000000000C0000-0x00000000000C6000-memory.dmp

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