dridex | f75b016f04df604ad70bbdb2c030c9a37e4597c36071c2f82229c88f1411d73f

Analysis

max time kernel
93s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
26-06-2022 05:40

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General

Target

j1wm6mumu.dll
Size

860KB
MD5

2df0b838e766fa6e91f516dbb0bd34ad
SHA1

83278ba4321ebc65611b82d4b35e73008020f669
SHA256

f75b016f04df604ad70bbdb2c030c9a37e4597c36071c2f82229c88f1411d73f
SHA512

c7d4642f98872199ecbce0ed2edc75f52369b161910e5e010557cfb9942b4beab8b85ebf6135621ec1f8f5fb31000c63364f55fc68aaaf6d62efa9e9f246474d

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

210.65.244.184:443

147.78.186.4:10051

62.75.168.152:6601

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

28 2036 rundll32.exe
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

flow	pid	process
28	2036	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 1496 wrote to memory of 2036	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 2036	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 2036	1496	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\j1wm6mumu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\j1wm6mumu.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2036

Network

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/2036-130-0x0000000000000000-mapping.dmp

Download
memory/2036-132-0x00000000750D0000-0x0000000075202000-memory.dmp

Filesize
1.2MB

Download
memory/2036-131-0x00000000750D0000-0x000000007510D000-memory.dmp

Filesize
244KB

Download
memory/2036-134-0x00000000750D0000-0x0000000075202000-memory.dmp

Filesize
1.2MB

Download
memory/2036-135-0x00000000750D0000-0x0000000075202000-memory.dmp

Filesize
1.2MB

Download