dridex | 464f4d69bf6ad3039ad7a0441a9c87fc8c92716472c0e2e44e912a5eca62d8c4

Analysis

max time kernel
25s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 14:06

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General

Target

464f4d69bf6ad3039ad7a0441a9c87fc8c92716472c0e2e44e912a5eca62d8c4.dll
Size

161KB
MD5

9c399d791cc4f14e084e07ea10e3445a
SHA1

29de93b44746ab60bffacb672d7cf5bbc9d21948
SHA256

464f4d69bf6ad3039ad7a0441a9c87fc8c92716472c0e2e44e912a5eca62d8c4
SHA512

c39dcadee48ded6d1c8c6133f93daa293cfb923dd65b321662722f52ab222292017c3f831c096b2f74fbb6608016cb7b19f9c2553604216bf43c45908e05a380

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1392-61-0x0000000075220000-0x000000007524E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\464f4d69bf6ad3039ad7a0441a9c87fc8c92716472c0e2e44e912a5eca62d8c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\464f4d69bf6ad3039ad7a0441a9c87fc8c92716472c0e2e44e912a5eca62d8c4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1392

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/1392-59-0x0000000000000000-mapping.dmp

Download
memory/1392-60-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1392-61-0x0000000075220000-0x000000007524E000-memory.dmp

Filesize
184KB

Download
memory/1392-63-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download