dridex | 584973ba7cd40df321fd5f2c31a2f5d90c7e473a39928603973e9f7d0c302d31

Analysis

max time kernel
26s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 03:34

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General

Target

584973ba7cd40df321fd5f2c31a2f5d90c7e473a39928603973e9f7d0c302d31.dll
Size

158KB
MD5

a064544d27761f11c4d997cade9a8221
SHA1

23372cc1ed656b2c5418a0c87cdadefdd5834404
SHA256

584973ba7cd40df321fd5f2c31a2f5d90c7e473a39928603973e9f7d0c302d31
SHA512

302d4bfc8a28d8f12dd09c6bf43650cdc97edf1912067d07b55863ecc724ef7f39a24fba3a0f6ffa2087456c5ceaf2eacb3bd953d25536cec749be25bbf7d782

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/848-115-0x00000000742C0000-0x00000000742ED000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 636 wrote to memory of 848	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 848	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 848	636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\584973ba7cd40df321fd5f2c31a2f5d90c7e473a39928603973e9f7d0c302d31.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\584973ba7cd40df321fd5f2c31a2f5d90c7e473a39928603973e9f7d0c302d31.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/848-114-0x0000000000000000-mapping.dmp

Download
memory/848-115-0x00000000742C0000-0x00000000742ED000-memory.dmp

Filesize
180KB

Download
memory/848-117-0x0000000003080000-0x0000000003086000-memory.dmp

Filesize
24KB

Download