dridex | 28e39da00a2f937d8ab4e40ae881946ba0ac45798374834ef35c33f4674321ef

Analysis

max time kernel
21s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 17:58

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General

Target

28e39da00a2f937d8ab4e40ae881946ba0ac45798374834ef35c33f4674321ef.dll
Size

160KB
MD5

ad8425516c323388610adc7d8e7edc26
SHA1

76bee38dfdf07b5f1688278d1f4c9e79aa071106
SHA256

28e39da00a2f937d8ab4e40ae881946ba0ac45798374834ef35c33f4674321ef
SHA512

a5c3c2d571c5fb3aa741f7b618ee7322714a471268d02827b94ee90107f29f5fc62973d7cbd797d20b2717e39f6a486b242ca42e9c123d68ecb01cf6c33aee07

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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
behavioral2/memory/4088-115-0x0000000073E80000-0x0000000073EAE000-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 1852 wrote to memory of 4088	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 4088	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 4088	1852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\28e39da00a2f937d8ab4e40ae881946ba0ac45798374834ef35c33f4674321ef.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\28e39da00a2f937d8ab4e40ae881946ba0ac45798374834ef35c33f4674321ef.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4088

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/4088-114-0x0000000000000000-mapping.dmp

Download
memory/4088-115-0x0000000073E80000-0x0000000073EAE000-memory.dmp

Filesize
184KB

Download
memory/4088-117-0x0000000003030000-0x0000000003036000-memory.dmp

Filesize
24KB

Download