dridex | 3bbd1c9cd82093ec083a4cb914ebfd934cde9bd90629457bf8a18484430c5a48

Analysis

max time kernel
18s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 00:14

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General

Target

3bbd1c9cd82093ec083a4cb914ebfd934cde9bd90629457bf8a18484430c5a48.dll
Size

174KB
MD5

3fb410d92ad4598149fb3628018a63a7
SHA1

4117a5b64ebebad09d5500c5f80d6ce82eaf8101
SHA256

3bbd1c9cd82093ec083a4cb914ebfd934cde9bd90629457bf8a18484430c5a48
SHA512

796c863e4966cc0dde553054c17caa6b23d6ed2a0ba6498597545a9fd14926ba253a0cabe8901d21da78e2d3f84c390e2ef1a5d2c5dcd07d095cb3aa0157e589

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/4000-115-0x0000000074480000-0x00000000744B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2580 4000 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2580	4000	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe
2580	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2580 WerFault.exe
Token: SeBackupPrivilege 2580 WerFault.exe
Token: SeDebugPrivilege 2580 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2580	WerFault.exe
Token: SeBackupPrivilege	2580	WerFault.exe
Token: SeDebugPrivilege	2580	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4056 wrote to memory of 4000	4056	rundll32.exe	rundll32.exe
PID 4056 wrote to memory of 4000	4056	rundll32.exe	rundll32.exe
PID 4056 wrote to memory of 4000	4056	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bbd1c9cd82093ec083a4cb914ebfd934cde9bd90629457bf8a18484430c5a48.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4056

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bbd1c9cd82093ec083a4cb914ebfd934cde9bd90629457bf8a18484430c5a48.dll,#1
2⤵
PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 652
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2580

MITRE ATT&CK Matrix

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Downloads

memory/4000-114-0x0000000000000000-mapping.dmp

Download
memory/4000-115-0x0000000074480000-0x00000000744B0000-memory.dmp

Filesize
192KB

Download
memory/4000-117-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

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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