dridex | 975b9b0e22925662e9406d04cdb470fc9cd58583628cfc3449a11ec28e9940b3

Analysis

max time kernel
23s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 00:36

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General

Target

975b9b0e22925662e9406d04cdb470fc9cd58583628cfc3449a11ec28e9940b3.dll
Size

174KB
MD5

4d175cb9787096d7e4c1af457eadbdca
SHA1

93f6f3af105d066f349ad68b45617c51d56c2347
SHA256

975b9b0e22925662e9406d04cdb470fc9cd58583628cfc3449a11ec28e9940b3
SHA512

e85d25ffe0804abce8e7ba46f2107ac947375b59d28ab0b82bf2b58ea8f1b84e9e785644e14603568c9329c0b9c401cdd633ba14dbc309ead11a6d25a5c07cb5

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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

Processes:

resource	yara_rule
behavioral1/memory/4824-115-0x0000000073880000-0x00000000738B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

352 4824 WerFault.exe rundll32.exe

pid	pid_target	process	target process
352	4824	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe
352	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 352 WerFault.exe
Token: SeBackupPrivilege 352 WerFault.exe
Token: SeDebugPrivilege 352 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	352	WerFault.exe
Token: SeBackupPrivilege	352	WerFault.exe
Token: SeDebugPrivilege	352	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4804 wrote to memory of 4824	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4824	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4824	4804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\975b9b0e22925662e9406d04cdb470fc9cd58583628cfc3449a11ec28e9940b3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\975b9b0e22925662e9406d04cdb470fc9cd58583628cfc3449a11ec28e9940b3.dll,#1
2⤵
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:352

MITRE ATT&CK Matrix

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Downloads

memory/4824-114-0x0000000000000000-mapping.dmp

Download
memory/4824-115-0x0000000073880000-0x00000000738B0000-memory.dmp

Filesize
192KB

Download
memory/4824-117-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads