dridex | 735ea8e2fa00ffdf6963ac6aa3b686fc0a7d3b09870108537a74bc427217e68b

Analysis

max time kernel
133s
max time network
143s
platform
windows10_x64
resource
win10v20210408
submitted
28/04/2021, 18:04

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General

Target
89fe37c5_by_Libranalysis.dll
Size 162KB
Sample210428-jbnn58asee
SHA256 735ea8e2fa00ffdf6963ac6aa3b686fc0a7d3b09870108537a74bc427217e68b
MD5 89fe37c5e06732a77868c25f338ab863
SHA1 a4027161cbb4ef32d2d3527adef77163373c0a65
SHA512 1a6fcd6c7edf98a08ec8da2a2a56a6fa748c72fecc696aff746e8844466468a276824a637a1ed6d3abac359ae80c10f4aadc4b819d8f6fd77c4470ef4a04a227
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/2176-115-0x0000000073560000-0x000000007358E000-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 2176	3904	rundll32.exe	69
PID 3904 wrote to memory of 2176	3904	rundll32.exe	69
PID 3904 wrote to memory of 2176	3904	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89fe37c5_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89fe37c5_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2176

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/2176-115-0x0000000073560000-0x000000007358E000-memory.dmp

Download

memory/2176-117-0x00000000008E0000-0x0000000000A2A000-memory.dmp