dridex | 780297b4118e797474fa014c7c8878a35db73f4719e6eb9a524040f7f2dc8cf4

Analysis

max time kernel
28s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
29-06-2021 07:43

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General

Target

780297b4118e797474fa014c7c8878a35db73f4719e6eb9a524040f7f2dc8cf4.dll
Size

160KB
MD5

2844a2088140669b1cbcf8dabbd64673
SHA1

899d3638de4e8f1c4126f2bfbd9bde6f26b58421
SHA256

780297b4118e797474fa014c7c8878a35db73f4719e6eb9a524040f7f2dc8cf4
SHA512

3c48fadd08c37f48307f097511dce45913efbca44c6e1b2922c28513c5c80ffa01f748384f2cad2c203b4bf802bbd29060142c33092ba808f6e8547400759819

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
behavioral1/memory/3956-115-0x0000000073990000-0x00000000739BE000-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 3128 wrote to memory of 3956	3128	rundll32.exe	rundll32.exe
PID 3128 wrote to memory of 3956	3128	rundll32.exe	rundll32.exe
PID 3128 wrote to memory of 3956	3128	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\780297b4118e797474fa014c7c8878a35db73f4719e6eb9a524040f7f2dc8cf4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\780297b4118e797474fa014c7c8878a35db73f4719e6eb9a524040f7f2dc8cf4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3956-114-0x0000000000000000-mapping.dmp

Download
memory/3956-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Filesize
184KB

Download
memory/3956-117-0x0000000002E00000-0x0000000002F4A000-memory.dmp

Filesize
1.3MB

Download