dridex | d3e70dc1c8f565e57f73ebc37b67ba1ed6404d8bf5a72304c9c75824b3994b2c

Analysis

max time kernel
58s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
08/05/2021, 10:01

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General

Target
82c230da_by_Libranalysis.dll
Size 162KB
Sample210508-hf7s69rd12
SHA256 d3e70dc1c8f565e57f73ebc37b67ba1ed6404d8bf5a72304c9c75824b3994b2c
MD5 82c230daf3059262ff6a00367cf57857
SHA1 36ebc804bbb45e23b4880684f7cb104659416d9d
SHA512 992606ea2ee581842b89feb00c493c1e9e2ca1380ea92af6d7d8ae35f8731eb114fd05c867ab0ce9d0b7062fa36d7fa8b65656b9db377ba1d731438b66ace1af
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/3804-115-0x0000000073D70000-0x0000000073D9E000-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 3736 wrote to memory of 3804	3736	rundll32.exe	40
PID 3736 wrote to memory of 3804	3736	rundll32.exe	40
PID 3736 wrote to memory of 3804	3736	rundll32.exe	40

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\82c230da_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\82c230da_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3804

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/3804-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Download

memory/3804-117-0x0000000000A20000-0x0000000000A26000-memory.dmp