dridex | e90c994527d5fff3e13ff2cc4e28c90cb7ed9fd1d1bfdc214074ca91c484d519

Analysis

Target
SecuriteInfo.com.W32.AIDetect.malware2.8406.30944.dll
Size 508KB
Sample211221-dlr61schgr
SHA256 e90c994527d5fff3e13ff2cc4e28c90cb7ed9fd1d1bfdc214074ca91c484d519
MD5 14b251eadd34717afd27098b23c01a40
SHA1 8cfeff5fd4e75f40e261880ef2ec67065fc809af
SHA512 b07b8171d968149844abd7597a4f982bf4fcf96fd8b4c7385d71f0024f9d96d59bc95979f9b797f67c4321e7ab60216a0a25f315f8c91557c6dd6b0f294e4606
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/1592-55-0x0000000074A00000-0x0000000074A81000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1428	1592	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1428	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1428	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1592	1688	rundll32.exe	27
PID 1688 wrote to memory of 1592	1688	rundll32.exe	27
PID 1688 wrote to memory of 1592	1688	rundll32.exe	27
PID 1688 wrote to memory of 1592	1688	rundll32.exe	27
PID 1688 wrote to memory of 1592	1688	rundll32.exe	27
PID 1688 wrote to memory of 1592	1688	rundll32.exe	27
PID 1688 wrote to memory of 1592	1688	rundll32.exe	27
PID 1592 wrote to memory of 1428	1592	rundll32.exe	28
PID 1592 wrote to memory of 1428	1592	rundll32.exe	28
PID 1592 wrote to memory of 1428	1592	rundll32.exe	28
PID 1592 wrote to memory of 1428	1592	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware2.8406.30944.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware2.8406.30944.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 248
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1428

memory/1428-59-0x0000000000510000-0x0000000000511000-memory.dmp

Download

memory/1592-54-0x0000000076421000-0x0000000076423000-memory.dmp

Download

memory/1592-55-0x0000000074A00000-0x0000000074A81000-memory.dmp

Download

memory/1592-58-0x00000000001B0000-0x00000000001B6000-memory.dmp

Download