dridex | 8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1

Analysis

max time kernel
25s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 01:58

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General

Target
8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1.dll
Size 162KB
Sample210419-lv7erfcb4e
SHA256 8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1
MD5 a0542aad1b4a4c53a09407bb22e5c324
SHA1 37ce03b08a41b8a504d59f5454b5bc003aef72c7
SHA512 a33b0f1540cdf490ec49e3f578b9bd382823a261ee243e401e4319c0985e9444e0dfd389b9cdf12e5cc74dd8334971c501519928f446a7b9b6452f3947dab098
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/1136-115-0x0000000073550000-0x000000007357E000-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 852 wrote to memory of 1136	852	rundll32.exe	69
PID 852 wrote to memory of 1136	852	rundll32.exe	69
PID 852 wrote to memory of 1136	852	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1136

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/1136-115-0x0000000073550000-0x000000007357E000-memory.dmp

Download

memory/1136-117-0x0000000002AA0000-0x0000000002BEA000-memory.dmp