dridex | 24985b19fbb5addb91fe23b13c0dc45062ed4f32b208cf4a9cbe8b0aadda22b2

Analysis

max time kernel
43s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
10/02/2021, 14:08

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General

Target
dqjsfi.rar.dll
Size 923KB
Sample210210-e2zph6d3kx
SHA256 24985b19fbb5addb91fe23b13c0dc45062ed4f32b208cf4a9cbe8b0aadda22b2
MD5 1249b963340f4c99c0d365a0e5502e23
SHA1 e2f00e08c5dcc4069b37633afced9d29ce8dbf96
SHA512 113cf7b3f0719c6841f667881a0c032f6598eca6d138e848cc04fedf51fa69eb14e9cc5cfc45918bd35172fa4e2e06a63b39e80a001545c4dae09afb349e53d1
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.132:443
212.227.53.240:5037
192.241.174.45:8172

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/768-3-0x00000000742D0000-0x000000007430D000-memory.dmp	dridex_ldr
behavioral2/memory/768-4-0x00000000742D0000-0x000000007430D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	768	rundll32.exe
17	768	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 508 wrote to memory of 768	508	rundll32.exe	24
PID 508 wrote to memory of 768	508	rundll32.exe	24
PID 508 wrote to memory of 768	508	rundll32.exe	24

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dqjsfi.rar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dqjsfi.rar.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:768

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/768-3-0x00000000742D0000-0x000000007430D000-memory.dmp

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memory/768-4-0x00000000742D0000-0x000000007430D000-memory.dmp

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memory/768-5-0x0000000000AB0000-0x0000000000AB1000-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