dridex | 39800b638d60c3ad82c2460ed352bb33313538f5ea3de8a24eb5079a2f55b87c

Analysis

max time kernel
24s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 12:02

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General

Target
9a59e803_by_Libranalysis.dll
Size 162KB
Sample210503-th8qmp246j
SHA256 39800b638d60c3ad82c2460ed352bb33313538f5ea3de8a24eb5079a2f55b87c
MD5 9a59e8032a2b9d8c8fe96aa72d7b9bad
SHA1 152432a96fd80b4ea70149eeea9cdbeed1eea861
SHA512 08319c9391316c4ff7c40a2c1455446d8b03fda28a4bfa731d26d8b34e72c7197363cccb2e2c6e678d76a9cd7d6f6bdd9379332ea470459fa3f1677863c7f16a
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/2992-115-0x0000000073860000-0x000000007388E000-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 1824 wrote to memory of 2992	1824	rundll32.exe	70
PID 1824 wrote to memory of 2992	1824	rundll32.exe	70
PID 1824 wrote to memory of 2992	1824	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a59e803_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a59e803_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2992

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/2992-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/2992-117-0x0000000003040000-0x0000000003046000-memory.dmp