dridex | 555b681a3ef16d780f671203b9b4b27a30cc1c53f5720a6e2fe57ec0661db2af

Analysis

max time kernel
18s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 00:15

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General

Target

555b681a3ef16d780f671203b9b4b27a30cc1c53f5720a6e2fe57ec0661db2af.dll
Size

162KB
MD5

c68e802ec9c97ce57db751aaf8194b0f
SHA1

4f814280cb3ab3d98db4205cc203512a24285db1
SHA256

555b681a3ef16d780f671203b9b4b27a30cc1c53f5720a6e2fe57ec0661db2af
SHA512

5bb69f1c2a5d24bf10698cca6a95a84bbb09169b44dcd58ad41dc89eb5ae599e85d8ed8694fa2553762d85d2dc8175f87915a898af645c2074f39ae053c5930d

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/3980-115-0x0000000073AA0000-0x0000000073ACE000-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 3016 wrote to memory of 3980	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3980	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3980	3016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\555b681a3ef16d780f671203b9b4b27a30cc1c53f5720a6e2fe57ec0661db2af.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\555b681a3ef16d780f671203b9b4b27a30cc1c53f5720a6e2fe57ec0661db2af.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3980

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/3980-114-0x0000000000000000-mapping.dmp

Download
memory/3980-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Filesize
184KB

Download
memory/3980-117-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download