dridex | d23d244b4327c84dbd410db62020a9df90eba7ae855acb1f31092c5d47d8e43c

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21/05/2021, 06:20

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General

Target
aa0870a0_by_Libranalysis.dll
Size 162KB
Sample210521-eessky1lfs
SHA256 d23d244b4327c84dbd410db62020a9df90eba7ae855acb1f31092c5d47d8e43c
MD5 aa0870a008c936ba55fc57a9136e0685
SHA1 ec0438b358d5407f082851fbee9e582005b24b98
SHA512 0092f0bc723d13c3946e621b76895ce2620c554d5cd1ad306009e4179212cac9b5dd9823258e56470b85dceaf2549c84ebe0cdc8bc0eaf09f819bd5ab7b5da7c
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/4072-115-0x0000000073B70000-0x0000000073B9E000-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 3904 wrote to memory of 4072	3904	rundll32.exe	70
PID 3904 wrote to memory of 4072	3904	rundll32.exe	70
PID 3904 wrote to memory of 4072	3904	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa0870a0_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa0870a0_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4072

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/4072-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/4072-117-0x0000000000400000-0x000000000054A000-memory.dmp