dridex | 2e99dbb1d7a346f016bd44ce3bf4d32340aaedb5fe82ff12d24e50fa265bdeba

Analysis

max time kernel
26s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 04:16

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General

Target

2e99dbb1d7a346f016bd44ce3bf4d32340aaedb5fe82ff12d24e50fa265bdeba.dll
Size

162KB
MD5

a6031c6ee8f859ba7450b18e86edca0b
SHA1

4fbc89251761d5744d631d333c11a3dd29600411
SHA256

2e99dbb1d7a346f016bd44ce3bf4d32340aaedb5fe82ff12d24e50fa265bdeba
SHA512

55af2ea130fc4ef7ef99d29416501eb6493efda6202aa8123b42bd348e7a97165ec7f8127fbeb55f69c3f9efeac4b0b6454021490d006428db12e21055292bf7

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/1172-115-0x0000000074310000-0x000000007433E000-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 644 wrote to memory of 1172	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 1172	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 1172	644	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e99dbb1d7a346f016bd44ce3bf4d32340aaedb5fe82ff12d24e50fa265bdeba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e99dbb1d7a346f016bd44ce3bf4d32340aaedb5fe82ff12d24e50fa265bdeba.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1172

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/1172-114-0x0000000000000000-mapping.dmp

Download
memory/1172-115-0x0000000074310000-0x000000007433E000-memory.dmp

Filesize
184KB

Download
memory/1172-117-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download