dridex | 4acc6c0c290ec8f12479dd8d46c100f6f97ba75e50af922a5647b0826b0048b7

Analysis

max time kernel
30s
max time network
32s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:05

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General

Target

4acc6c0c290ec8f12479dd8d46c100f6f97ba75e50af922a5647b0826b0048b7.dll
Size

157KB
MD5

dccd662cf2fa548a31488b7caf5c7fe5
SHA1

27195080ffeb6ada210a9ce6a8d81c8d36c8d451
SHA256

4acc6c0c290ec8f12479dd8d46c100f6f97ba75e50af922a5647b0826b0048b7
SHA512

979c6a703c874fd350030d3a1c3af972f80a4b133aa2ad635809a648cfc3797706b0ad6ed3e58f99478a111090f578894880e812ce3a19b60c2edbaf5f7a9b24

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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

Processes:

resource	yara_rule
behavioral1/memory/1184-115-0x00000000744D0000-0x00000000744FD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 636 wrote to memory of 1184	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1184	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1184	636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4acc6c0c290ec8f12479dd8d46c100f6f97ba75e50af922a5647b0826b0048b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4acc6c0c290ec8f12479dd8d46c100f6f97ba75e50af922a5647b0826b0048b7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1184

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1184-114-0x0000000000000000-mapping.dmp

Download
memory/1184-115-0x00000000744D0000-0x00000000744FD000-memory.dmp

Filesize
180KB

Download
memory/1184-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download