dridex | fde3a2bfc2519e209cdb069c60970e9b26bd0786814776bb6add29c02691a678

Analysis

max time kernel
28s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 19:01

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General

Target
a075bde1_by_Libranalysis.dll
Size 162KB
Sample210430-lblfwmt77x
SHA256 fde3a2bfc2519e209cdb069c60970e9b26bd0786814776bb6add29c02691a678
MD5 a075bde1a61f260ddd816186738142b8
SHA1 2eac60e0bea4bd4ea4199b963ac9d79119ba1684
SHA512 e040c622468dddd30e0377fe387069dd547be5437ff10ff68cd4fb5feeddb1e4a9e1e76a049d77d9b53414d53bba2f56a39b1eb25cd02a559f58d10cec2dae32
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/3680-115-0x0000000074380000-0x00000000743AE000-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 3724 wrote to memory of 3680	3724	rundll32.exe	41
PID 3724 wrote to memory of 3680	3724	rundll32.exe	41
PID 3724 wrote to memory of 3680	3724	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a075bde1_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a075bde1_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3680

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/3680-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3680-117-0x0000000000CE0000-0x0000000000CE6000-memory.dmp