dridex | a6fd740b8b78cf105554ec11a13b731705f579ff55edbdf02a0a2f117bdcfa17

Analysis

max time kernel
46s
max time network
56s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:47

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General

Target

a6fd740b8b78cf105554ec11a13b731705f579ff55edbdf02a0a2f117bdcfa17.dll
Size

158KB
MD5

8732fcbfdadb9f2a5d95127a26306cb2
SHA1

fb1a3f015893a82eb296888c336c480ec411017b
SHA256

a6fd740b8b78cf105554ec11a13b731705f579ff55edbdf02a0a2f117bdcfa17
SHA512

4d783c764431d7efb182f018eb6471b418007a7ab2e919669bfce71609f08ed105bb2903405b580efb1c0845c67e59f15dcc96106e104fef1e1a24d8525ab678

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1212-115-0x0000000073FB0000-0x0000000073FDD000-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 640 wrote to memory of 1212	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1212	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1212	640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6fd740b8b78cf105554ec11a13b731705f579ff55edbdf02a0a2f117bdcfa17.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6fd740b8b78cf105554ec11a13b731705f579ff55edbdf02a0a2f117bdcfa17.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1212

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/1212-114-0x0000000000000000-mapping.dmp

Download
memory/1212-115-0x0000000073FB0000-0x0000000073FDD000-memory.dmp

Filesize
180KB

Download
memory/1212-117-0x00000000006C0000-0x000000000080A000-memory.dmp

Filesize
1.3MB

Download