dridex | 4da4ee17cb6fa59ccd27afc74d4cf07a03e84f0ca1cb7fab6a109f60c77b0963

Analysis

max time kernel
21s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21/04/2021, 04:06

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General

Target
4da4ee17cb6fa59ccd27afc74d4cf07a03e84f0ca1cb7fab6a109f60c77b0963.dll
Size 162KB
Sample210421-arddw8qbva
SHA256 4da4ee17cb6fa59ccd27afc74d4cf07a03e84f0ca1cb7fab6a109f60c77b0963
MD5 7247499c33f6bcfb2352b98a87df3f49
SHA1 d2f30b6339113ee779306ddbd2a3957bf84891d6
SHA512 62d96c3223c4a6e69c79f06cc8c54af558b2bc0db9bef61e240261e3f1eacbbbce425f9218a0f205cdbbd58c3ee3ab8da0e5fb4219336ef44c45ddf52301ca19
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/3200-115-0x0000000073B70000-0x0000000073B9E000-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 2112 wrote to memory of 3200	2112	rundll32.exe	71
PID 2112 wrote to memory of 3200	2112	rundll32.exe	71
PID 2112 wrote to memory of 3200	2112	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4da4ee17cb6fa59ccd27afc74d4cf07a03e84f0ca1cb7fab6a109f60c77b0963.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4da4ee17cb6fa59ccd27afc74d4cf07a03e84f0ca1cb7fab6a109f60c77b0963.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3200

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/3200-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/3200-117-0x0000000002930000-0x0000000002936000-memory.dmp