dridex | 7de08123f0b297781a5208f516fff7350f2c0797cb4eb75de8f00ec8d03d851e

Analysis

max time kernel
23s
max time network
132s
platform
windows10_x64
resource
win10v20201028
submitted
01/02/2021, 17:25

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General

Target
qveoxuhz8.rar.dll
Size 570KB
Sample210201-hhc1cbnv4e
SHA256 7de08123f0b297781a5208f516fff7350f2c0797cb4eb75de8f00ec8d03d851e
MD5 cc5a4c16bfc7eb7546fa5e7679c723b0
SHA1 b2e3387c7eeb5e3235d0bd512b7af9f09a3c25f0
SHA512 b88f966c3db9f9fc8ca93907934553a5fe070f8dd4ccb489d958aeea9c3531d490a20fb9de45bcc59cd73b78127576b6b1ffb849e27fe40b1955b12266967e18
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.131:443
5.196.204.251:5037
192.99.41.136:981
24.229.3.146:4664

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
behavioral2/memory/3088-3-0x0000000073E30000-0x0000000073E6D000-memory.dmp	dridex_ldr
behavioral2/memory/3088-4-0x0000000073E30000-0x0000000073E6D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
13	3088	rundll32.exe
15	3088	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 3 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 3088	1048	rundll32.exe	72
PID 1048 wrote to memory of 3088	1048	rundll32.exe	72
PID 1048 wrote to memory of 3088	1048	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qveoxuhz8.rar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\qveoxuhz8.rar.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:3088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3088-3-0x0000000073E30000-0x0000000073E6D000-memory.dmp

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memory/3088-4-0x0000000073E30000-0x0000000073E6D000-memory.dmp

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memory/3088-5-0x0000000000790000-0x0000000000791000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads