dridex | 5b2ac550f0ed303cca872519e475979bcdbb382676c256c510ee2b034b68e179

Analysis

max time kernel
27s
max time network
115s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 03:34

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General

Target

5b2ac550f0ed303cca872519e475979bcdbb382676c256c510ee2b034b68e179.dll
Size

162KB
MD5

643359572d3c0a12dc0d8cd4c84adc17
SHA1

3186a439d2baabfffa20de58df3844f4e0801f52
SHA256

5b2ac550f0ed303cca872519e475979bcdbb382676c256c510ee2b034b68e179
SHA512

c543ec2cf3a3c1c06b5c30662bf40e3ebbd928ed4c44fb7f6b2f61f80cdca57b488a57e015ebe2480c365451fb04b98ce887aa6a02cf0d437fadc5a1e5649992

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

Processes:

resource	yara_rule
behavioral1/memory/1064-115-0x00000000735F0000-0x000000007361E000-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 596 wrote to memory of 1064	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 1064	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 1064	596	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b2ac550f0ed303cca872519e475979bcdbb382676c256c510ee2b034b68e179.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b2ac550f0ed303cca872519e475979bcdbb382676c256c510ee2b034b68e179.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1064

Network

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/1064-114-0x0000000000000000-mapping.dmp

Download
memory/1064-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Filesize
184KB

Download
memory/1064-117-0x00000000023F0000-0x00000000023F6000-memory.dmp

Filesize
24KB

Download