dridex | 9561c6da785cb5382473f717bb18efd885dc508f936933a29aa7f1db55aebbfe

Analysis

max time kernel
148s
max time network
148s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:06

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General

Target
9561c6da785cb5382473f717bb18efd885dc508f936933a29aa7f1db55aebbfe.dll
Size 188KB
Sample210224-bgmel3355x
SHA256 9561c6da785cb5382473f717bb18efd885dc508f936933a29aa7f1db55aebbfe
MD5 20435f83e7fafa56ad1f0d3a75d17ec6
SHA1 26f2b87315da5d7dc86cadf2e4d961e782e73291
SHA512 2ec17d814798887df04919f86e4527a98bfeee7a369a55a93765279a25ffde92bf73a0713db4fa8f1f36b7e4ef450d9004ff39bf30ceab5ca8a25aa7a02f78cb
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/4752-3-0x0000000074140000-0x0000000074171000-memory.dmp	dridex_ldr
behavioral2/memory/4752-5-0x0000000074140000-0x000000007415F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 3 IoCs

flow	pid	Process
18	4752	rundll32.exe
20	4752	rundll32.exe
21	4752	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 4708 wrote to memory of 4752	4708	rundll32.exe	70
PID 4708 wrote to memory of 4752	4708	rundll32.exe	70
PID 4708 wrote to memory of 4752	4708	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9561c6da785cb5382473f717bb18efd885dc508f936933a29aa7f1db55aebbfe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9561c6da785cb5382473f717bb18efd885dc508f936933a29aa7f1db55aebbfe.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:4752

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/4752-3-0x0000000074140000-0x0000000074171000-memory.dmp

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memory/4752-4-0x0000000004AD0000-0x0000000004AD6000-memory.dmp

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memory/4752-5-0x0000000074140000-0x000000007415F000-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