dridex | 12b70758d432c5ba73934a71bb229c09bdcab957d7e89aff49a1656e78888b99

Analysis

max time kernel
26s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 07:02

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General

Target

12b70758d432c5ba73934a71bb229c09bdcab957d7e89aff49a1656e78888b99.dll
Size

162KB
MD5

6cdd6669cb66336de4a6c773e4bd7b43
SHA1

38f878a5504ee808f158db22726ecad199aab5ab
SHA256

12b70758d432c5ba73934a71bb229c09bdcab957d7e89aff49a1656e78888b99
SHA512

e8fb3db0d27b2bf8e671990ab40977485394e2544842cfda059f65d95bc507911a0562638f167cc3f19a9c31c8df937c3facb11c5b4f7d9c7ec557ddc16941fe

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

Processes:

resource	yara_rule
behavioral1/memory/4872-115-0x0000000073880000-0x00000000738AE000-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 4796 wrote to memory of 4872	4796	rundll32.exe	rundll32.exe
PID 4796 wrote to memory of 4872	4796	rundll32.exe	rundll32.exe
PID 4796 wrote to memory of 4872	4796	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12b70758d432c5ba73934a71bb229c09bdcab957d7e89aff49a1656e78888b99.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12b70758d432c5ba73934a71bb229c09bdcab957d7e89aff49a1656e78888b99.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4872

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/4872-114-0x0000000000000000-mapping.dmp

Download
memory/4872-115-0x0000000073880000-0x00000000738AE000-memory.dmp

Filesize
184KB

Download
memory/4872-117-0x0000000003110000-0x0000000003116000-memory.dmp

Filesize
24KB

Download