dridex | a932c1d7e3dce808218b468404f68adb3db783e76a06df4a8ce06f3f80c17dd2

Analysis

max time kernel
37s
max time network
47s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 21:44

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General

Target

a932c1d7e3dce808218b468404f68adb3db783e76a06df4a8ce06f3f80c17dd2.dll
Size

154KB
MD5

9ef94b134a00126f13b5fd602a42e95f
SHA1

f8434d47d74af07696bc034d683daae37ee73cc2
SHA256

a932c1d7e3dce808218b468404f68adb3db783e76a06df4a8ce06f3f80c17dd2
SHA512

c430d66de1aa9f1dd7d3f0562924278c134f8f7ed652dbd26fda8b795db604978d2476e594a0a0648500cb56b69c671af235a9b9e131c02c2aa1b25a44b2cbc8

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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

Processes:

resource	yara_rule
behavioral1/memory/3764-115-0x0000000073A10000-0x0000000073A3D000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3896 wrote to memory of 3764	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3764	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3764	3896	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a932c1d7e3dce808218b468404f68adb3db783e76a06df4a8ce06f3f80c17dd2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3896

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a932c1d7e3dce808218b468404f68adb3db783e76a06df4a8ce06f3f80c17dd2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3764

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3764-114-0x0000000000000000-mapping.dmp

Download
memory/3764-115-0x0000000073A10000-0x0000000073A3D000-memory.dmp

Filesize
180KB

Download
memory/3764-117-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download