dridex | 6e1a19c1ead7999ac95c9a6ec469cedfdda7b513dee65cf6c3c7ebf9385eaffc

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-07-2021 19:33

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General

Target

8b16733dcb7b1477a70352b8b37893d8.dll
Size

175KB
MD5

8b16733dcb7b1477a70352b8b37893d8
SHA1

0a7752872504ed87a1598f78633f940315acb558
SHA256

6e1a19c1ead7999ac95c9a6ec469cedfdda7b513dee65cf6c3c7ebf9385eaffc
SHA512

4abf4d4e3fc216bfeea33b400954a15a4d3c9cb913ef9bd032ddcc11be30b80650a4999309fd16bfc499101f13140365c0b2f438d9c719fc858022cc1bce7725

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.238.236.59:443

104.245.52.73:5007

81.0.236.93:13786

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
behavioral2/memory/3996-115-0x00000000755E0000-0x0000000075610000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

648 3996 WerFault.exe rundll32.exe

pid	pid_target	process	target process
648	3996	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe
648	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 648 WerFault.exe
Token: SeBackupPrivilege 648 WerFault.exe
Token: SeDebugPrivilege 648 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	648	WerFault.exe
Token: SeBackupPrivilege	648	WerFault.exe
Token: SeDebugPrivilege	648	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3944 wrote to memory of 3996	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3996	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3996	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b16733dcb7b1477a70352b8b37893d8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b16733dcb7b1477a70352b8b37893d8.dll,#1
2⤵
PID:3996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 640
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:648

MITRE ATT&CK Matrix

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Downloads

memory/3996-114-0x0000000000000000-mapping.dmp

Download
memory/3996-115-0x00000000755E0000-0x0000000075610000-memory.dmp

Filesize
192KB

Download
memory/3996-117-0x0000000003080000-0x0000000003086000-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