dridex | c6ab41d5ef3f47912bb862ebbe4937640b1bf5456f59bf6053e07dca9f1bfc55

Analysis

max time kernel
110s
max time network
147s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:00

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General

Target
c6ab41d5ef3f47912bb862ebbe4937640b1bf5456f59bf6053e07dca9f1bfc55.dll
Size 188KB
Sample210224-wwfmb8qeqx
SHA256 c6ab41d5ef3f47912bb862ebbe4937640b1bf5456f59bf6053e07dca9f1bfc55
MD5 eaa5867cde693d48d90184bca3148ce0
SHA1 7104be81cd5c0218ca740cd5d9cb8a9799b14f86
SHA512 8b9b8a72e3161ccff5f6b0f33f1baf938b0645e266a9cfb1fb64e50101ff3d122640a2fa22522928507eab2af7bf4f03770cc7b20099002c8aa48a5b280741ab
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

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/1752-3-0x0000000073F30000-0x0000000073F61000-memory.dmp	dridex_ldr
behavioral2/memory/1752-5-0x0000000073F30000-0x0000000073F4F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	1752	rundll32.exe
19	1752	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 496 wrote to memory of 1752	496	rundll32.exe	73
PID 496 wrote to memory of 1752	496	rundll32.exe	73
PID 496 wrote to memory of 1752	496	rundll32.exe	73

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6ab41d5ef3f47912bb862ebbe4937640b1bf5456f59bf6053e07dca9f1bfc55.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6ab41d5ef3f47912bb862ebbe4937640b1bf5456f59bf6053e07dca9f1bfc55.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1752

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/1752-3-0x0000000073F30000-0x0000000073F61000-memory.dmp

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memory/1752-4-0x00000000030E0000-0x00000000030E6000-memory.dmp

Download

memory/1752-5-0x0000000073F30000-0x0000000073F4F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads