dridex | 9ff5c1526b2425964760609ac30451f72be52f2b060c26863a380b094d6d94fa

Analysis

max time kernel
18s
max time network
118s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 00:13

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General

Target

9ff5c1526b2425964760609ac30451f72be52f2b060c26863a380b094d6d94fa.dll
Size

174KB
MD5

1225452bc5647438782fe992004aa2b4
SHA1

04e8261cba2cb958155f4ab6e71415fb1db5e806
SHA256

9ff5c1526b2425964760609ac30451f72be52f2b060c26863a380b094d6d94fa
SHA512

8e2e9875dbd493c0093e0295ef70fc51457546bf150f814cf87fec172fe000c90f6e562b85e47bfa2bcf6af2b1cbd45854f2d8f58b596a24e1a345b488db3c03

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/4460-115-0x0000000074290000-0x00000000742C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

8 4460 WerFault.exe rundll32.exe

pid	pid_target	process	target process
8	4460	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 8 WerFault.exe
Token: SeBackupPrivilege 8 WerFault.exe
Token: SeDebugPrivilege 8 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	8	WerFault.exe
Token: SeBackupPrivilege	8	WerFault.exe
Token: SeDebugPrivilege	8	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ff5c1526b2425964760609ac30451f72be52f2b060c26863a380b094d6d94fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ff5c1526b2425964760609ac30451f72be52f2b060c26863a380b094d6d94fa.dll,#1
2⤵
PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8

MITRE ATT&CK Matrix

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Downloads

memory/4460-114-0x0000000000000000-mapping.dmp

Download
memory/4460-115-0x0000000074290000-0x00000000742C0000-memory.dmp

Filesize
192KB

Download
memory/4460-117-0x0000000001050000-0x0000000001056000-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