dridex | 4b89638f74aed3c3dd276b45aae07067a6312db26b0db121c0b70aff4379311d

Analysis

max time kernel
147s
max time network
149s
platform
windows10_x64
resource
win10v20210408
submitted
06/05/2021, 09:02

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General

Target
b0fbc8e2_by_Libranalysis.dll
Size 162KB
Sample210506-s9rajbbaca
SHA256 4b89638f74aed3c3dd276b45aae07067a6312db26b0db121c0b70aff4379311d
MD5 b0fbc8e21f3155b201ac994c7e211194
SHA1 7b47c29ad64c7d470e5e8928ddf35fab3a5ad014
SHA512 21f1d4b525c173fd6b1a15adea593d311d8e07e1941d291a30449def518d8cd6f2e17a6c093c419ce6ef23e9ea53ee2295808237db8a80d03b438a3133404ccd
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/1240-115-0x0000000073C70000-0x0000000073C9E000-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 708 wrote to memory of 1240	708	rundll32.exe	69
PID 708 wrote to memory of 1240	708	rundll32.exe	69
PID 708 wrote to memory of 1240	708	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0fbc8e2_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0fbc8e2_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1240

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/1240-115-0x0000000073C70000-0x0000000073C9E000-memory.dmp

Download

memory/1240-117-0x0000000002D70000-0x0000000002D76000-memory.dmp