dridex | 944a494472acf0b4755da0c976d7dbe5a9b5d30b80137f12c3c49382f1be33aa

Analysis

max time kernel
83s
max time network
8s
platform
windows7_x64
resource
win7v20201028
submitted
18/03/2021, 07:11

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General

Target
944a494472acf0b4755da0c976d7dbe5a9b5d30b80137f12c3c49382f1be33aa.dll
Size 208KB
Sample210318-jffhk658de
SHA256 944a494472acf0b4755da0c976d7dbe5a9b5d30b80137f12c3c49382f1be33aa
MD5 1d6d4508096d0889c8467d976ce6f392
SHA1 10386f7b235008931d23abb35f1ce36eed4f6f5d
SHA512 2fe9cb6d5fb9f220d4dd342e3afb5feaceb749844f6d378b05aad09722f4d78ad6b14e5c1e415d11ac69c339c6723916291350bec7115392fc50c87daf6e0bc2
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2040-4-0x00000000743C0000-0x00000000743F6000-memory.dmp	dridex_ldr
behavioral1/memory/2040-6-0x00000000743C0000-0x00000000743E1000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2040	1964	rundll32.exe	21
PID 1964 wrote to memory of 2040	1964	rundll32.exe	21
PID 1964 wrote to memory of 2040	1964	rundll32.exe	21
PID 1964 wrote to memory of 2040	1964	rundll32.exe	21
PID 1964 wrote to memory of 2040	1964	rundll32.exe	21
PID 1964 wrote to memory of 2040	1964	rundll32.exe	21
PID 1964 wrote to memory of 2040	1964	rundll32.exe	21

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\944a494472acf0b4755da0c976d7dbe5a9b5d30b80137f12c3c49382f1be33aa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\944a494472acf0b4755da0c976d7dbe5a9b5d30b80137f12c3c49382f1be33aa.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2040

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

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Downloads

memory/2040-3-0x00000000750C1000-0x00000000750C3000-memory.dmp

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memory/2040-4-0x00000000743C0000-0x00000000743F6000-memory.dmp

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memory/2040-5-0x0000000000160000-0x0000000000166000-memory.dmp

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memory/2040-6-0x00000000743C0000-0x00000000743E1000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads