dridex | b84df1f432e364bac6a52e4de3f749f95d0f8d8399e2cdb7b2593b37fb6d0065

Analysis

max time kernel
26s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
20/04/2021, 18:28

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General

Target
b84df1f432e364bac6a52e4de3f749f95d0f8d8399e2cdb7b2593b37fb6d0065.dll
Size 162KB
Sample210420-e9lftk6bye
SHA256 b84df1f432e364bac6a52e4de3f749f95d0f8d8399e2cdb7b2593b37fb6d0065
MD5 4ec79b441786194ff480ef9fa395d30f
SHA1 cb9d5b64a2631dcf725ec74b245f2d6411807171
SHA512 aca99dffc756dcd0ee5a1ddd6ddd549c1ae4056cfa0bc9e72b82b8b70437850f984453c342aff0da6a8fbef45daea2caa9ee23d9e49937025a5254a4d95aa215
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
behavioral1/memory/1172-61-0x00000000754B0000-0x00000000754DE000-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 7 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1172	2004	rundll32.exe	26
PID 2004 wrote to memory of 1172	2004	rundll32.exe	26
PID 2004 wrote to memory of 1172	2004	rundll32.exe	26
PID 2004 wrote to memory of 1172	2004	rundll32.exe	26
PID 2004 wrote to memory of 1172	2004	rundll32.exe	26
PID 2004 wrote to memory of 1172	2004	rundll32.exe	26
PID 2004 wrote to memory of 1172	2004	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b84df1f432e364bac6a52e4de3f749f95d0f8d8399e2cdb7b2593b37fb6d0065.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b84df1f432e364bac6a52e4de3f749f95d0f8d8399e2cdb7b2593b37fb6d0065.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1172

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

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Downloads

memory/1172-60-0x00000000765F1000-0x00000000765F3000-memory.dmp

Download

memory/1172-61-0x00000000754B0000-0x00000000754DE000-memory.dmp

Download

memory/1172-63-0x00000000001C0000-0x00000000001C6000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads