dridex | 73efdc9e21a6188891116fbedf44c8a73b259c2f1f9c49f14b074e89a41ecc97

Analysis

max time kernel
70s
max time network
137s
platform
windows10_x64
resource
win10v20210408
submitted
02/05/2021, 22:01

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General

Target
0e4602bd_by_Libranalysis.dll
Size 162KB
Sample210502-tf2spn7z2e
SHA256 73efdc9e21a6188891116fbedf44c8a73b259c2f1f9c49f14b074e89a41ecc97
MD5 0e4602bda98d57aa692477023b655f27
SHA1 838fb316499ae60665f678ada3c323212f48d376
SHA512 f55f21fe51c82af00115b12b76cf88fd1980461d87c1e304b5fecb04856fd0c54a2a41122c5134bc764c34e5bb8e522129d1101d572d0cdf2f6656684f5e7cd4
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/4720-115-0x0000000073C30000-0x0000000073C5E000-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 4656 wrote to memory of 4720	4656	rundll32.exe	69
PID 4656 wrote to memory of 4720	4656	rundll32.exe	69
PID 4656 wrote to memory of 4720	4656	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e4602bd_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e4602bd_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4720

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/4720-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Download

memory/4720-117-0x0000000000B20000-0x0000000000C6A000-memory.dmp