dridex | eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8

Analysis

max time kernel
41s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
20-04-2021 10:06

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General

Target

eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll
Size

1.1MB
MD5

e6b7ec0dd1cd7b8f7c08ec2d4d369d8d
SHA1

6da00a5ce8acc27e9fef642c932153dc8f152f6b
SHA256

eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8
SHA512

4a44fb582fff394d0bc6039aa392fa7164d47f8e2720f3214f4258c048715fe7ef64b0d9f35eb9ca1e8e29ab4698d0a1b1ab621dcd96cf6d00830a93a80ae623

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1772-62-0x00000000747E0000-0x000000007481D000-memory.dmp	dridex_ldr
behavioral1/memory/1772-63-0x00000000747E0000-0x0000000074908000-memory.dmp	dridex_ldr

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 344 wrote to memory of 1772	344	rundll32.exe	rundll32.exe
PID 344 wrote to memory of 1772	344	rundll32.exe	rundll32.exe
PID 344 wrote to memory of 1772	344	rundll32.exe	rundll32.exe
PID 344 wrote to memory of 1772	344	rundll32.exe	rundll32.exe
PID 344 wrote to memory of 1772	344	rundll32.exe	rundll32.exe
PID 344 wrote to memory of 1772	344	rundll32.exe	rundll32.exe
PID 344 wrote to memory of 1772	344	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:344

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1772

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1772-60-0x0000000000000000-mapping.dmp

Download
memory/1772-61-0x0000000075211000-0x0000000075213000-memory.dmp

Filesize
8KB

Download
memory/1772-62-0x00000000747E0000-0x000000007481D000-memory.dmp

Filesize
244KB

Download
memory/1772-63-0x00000000747E0000-0x0000000074908000-memory.dmp

Filesize
1.2MB

Download
memory/1772-64-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download