dridex | edd5c9a776ab5864b62e9ee140d3474ee2fe4c46de591aa3a25bbd133a9f9fe8

Analysis

Target
triage_dropped_file.dll
Size 532KB
Sample211222-stl3asfef8
SHA256 edd5c9a776ab5864b62e9ee140d3474ee2fe4c46de591aa3a25bbd133a9f9fe8
MD5 1ce52b16a6071024ac3c2557c6a70b9a
SHA1 ea42d43398124793c7769ab36e28d5750b338004
SHA512 3f4098fbbab9a604e2b9b087a05c901d7a5393232132f61e36d819d3347bf2cf66fbc9bfac56f0dbb80f3d2338be246fc00a01251fcd0890bd41733806a4e9bc
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/1276-57-0x00000000744C0000-0x0000000074547000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1784	1276	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1784	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 1276	952	rundll32.exe	27
PID 952 wrote to memory of 1276	952	rundll32.exe	27
PID 952 wrote to memory of 1276	952	rundll32.exe	27
PID 952 wrote to memory of 1276	952	rundll32.exe	27
PID 952 wrote to memory of 1276	952	rundll32.exe	27
PID 952 wrote to memory of 1276	952	rundll32.exe	27
PID 952 wrote to memory of 1276	952	rundll32.exe	27
PID 1276 wrote to memory of 1784	1276	rundll32.exe	28
PID 1276 wrote to memory of 1784	1276	rundll32.exe	28
PID 1276 wrote to memory of 1784	1276	rundll32.exe	28
PID 1276 wrote to memory of 1784	1276	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 224
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1784

memory/1276-56-0x00000000756C1000-0x00000000756C3000-memory.dmp

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memory/1276-57-0x00000000744C0000-0x0000000074547000-memory.dmp

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memory/1276-60-0x0000000000170000-0x0000000000176000-memory.dmp

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memory/1784-62-0x0000000000780000-0x0000000000781000-memory.dmp

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