dridex | 8b070448c29ee628c9410456b021f0f8a372ef122ccfe227c331a014423a80a2

Analysis

max time kernel
58s
max time network
59s
platform
windows7_x64
resource
win7v20201028
submitted
24/02/2021, 15:38

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General

Target
8b070448c29ee628c9410456b021f0f8a372ef122ccfe227c331a014423a80a2.dll
Size 188KB
Sample210224-3ect5t16mx
SHA256 8b070448c29ee628c9410456b021f0f8a372ef122ccfe227c331a014423a80a2
MD5 5882bced8a23d0d6c278d75d38d1c894
SHA1 3a45aa17e8ea3e57f281757bce2dca66407d6b08
SHA512 6517671a0e4a52c50c94f053037580b0369d5369054afed5216805c6ae3877243ebca98bda0ecf115cd640e30cf75da14a6cb6acf793dab9630fa5c9b6446c69
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

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.

botnet loader

resource	yara_rule
behavioral1/memory/1652-5-0x0000000074AD0000-0x0000000074B01000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
880	1652	WerFault.exe	25

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
880	WerFault.exe
880	WerFault.exe
880	WerFault.exe
880	WerFault.exe
880	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 1652	1108	rundll32.exe	25
PID 1108 wrote to memory of 1652	1108	rundll32.exe	25
PID 1108 wrote to memory of 1652	1108	rundll32.exe	25
PID 1108 wrote to memory of 1652	1108	rundll32.exe	25
PID 1108 wrote to memory of 1652	1108	rundll32.exe	25
PID 1108 wrote to memory of 1652	1108	rundll32.exe	25
PID 1108 wrote to memory of 1652	1108	rundll32.exe	25
PID 1652 wrote to memory of 880	1652	rundll32.exe	30
PID 1652 wrote to memory of 880	1652	rundll32.exe	30
PID 1652 wrote to memory of 880	1652	rundll32.exe	30
PID 1652 wrote to memory of 880	1652	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b070448c29ee628c9410456b021f0f8a372ef122ccfe227c331a014423a80a2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b070448c29ee628c9410456b021f0f8a372ef122ccfe227c331a014423a80a2.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 352
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:880

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/880-8-0x0000000002000000-0x0000000002011000-memory.dmp

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memory/880-9-0x00000000002C0000-0x00000000002C1000-memory.dmp

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memory/1652-3-0x00000000760D1000-0x00000000760D3000-memory.dmp

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memory/1652-4-0x0000000074760000-0x0000000074903000-memory.dmp

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memory/1652-5-0x0000000074AD0000-0x0000000074B01000-memory.dmp

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memory/1652-6-0x0000000000240000-0x0000000000246000-memory.dmp

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