dridex | d24667b0b2b4236a24987120190d1e8f2d5148efcfab1c5499150ef896d1b593

Analysis

max time kernel
48s
max time network
71s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 03:37

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General

Target
d24667b0b2b4236a24987120190d1e8f2d5148efcfab1c5499150ef896d1b593.dll
Size 162KB
Sample210420-ev9lejtmp2
SHA256 d24667b0b2b4236a24987120190d1e8f2d5148efcfab1c5499150ef896d1b593
MD5 d845e4ec2a092d9fc1f9c88a20e2e000
SHA1 5eec24a5fab639d088da0f422abfe69c0ad36fd1
SHA512 0790357abe53684c9b3387ef7fdd2ba01c92b25cdc75fe70d73caebe0264f05070cfe7c3023d914af16548d06ddb8f632abdf63c52edfe371ba6c6184c35f648
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3936-115-0x0000000073F20000-0x0000000073F4E000-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 3 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 3936	4048	rundll32.exe	55
PID 4048 wrote to memory of 3936	4048	rundll32.exe	55
PID 4048 wrote to memory of 3936	4048	rundll32.exe	55

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d24667b0b2b4236a24987120190d1e8f2d5148efcfab1c5499150ef896d1b593.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d24667b0b2b4236a24987120190d1e8f2d5148efcfab1c5499150ef896d1b593.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3936

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

Replay Monitor

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Downloads

memory/3936-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3936-117-0x0000000000A60000-0x0000000000A66000-memory.dmp