dridex | fbbd2a2483fcf42c669c2399276b8403bfdad85adba129ae28eecc2bec6ec2b8

Analysis

max time kernel
19s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 05:23

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General

Target

fbbd2a2483fcf42c669c2399276b8403bfdad85adba129ae28eecc2bec6ec2b8.dll
Size

160KB
MD5

4426cae8d897042f2101466533d456a3
SHA1

adb1f1f663c6a1682320e423c1bfe66d2b86ceec
SHA256

fbbd2a2483fcf42c669c2399276b8403bfdad85adba129ae28eecc2bec6ec2b8
SHA512

236daa50b6997b3535f8ab72f969fc85ee967815317a5f6bf0bcf5633cccbc0fe2da834e4bff597e59e6659f7f090401285136c72cebf93611bb79c45ebe4276

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/3740-115-0x0000000073DE0000-0x0000000073E0E000-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 3944 wrote to memory of 3740	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3740	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3740	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbbd2a2483fcf42c669c2399276b8403bfdad85adba129ae28eecc2bec6ec2b8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbbd2a2483fcf42c669c2399276b8403bfdad85adba129ae28eecc2bec6ec2b8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3740

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/3740-114-0x0000000000000000-mapping.dmp

Download
memory/3740-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

Filesize
184KB

Download
memory/3740-117-0x0000000000E00000-0x0000000000EAE000-memory.dmp

Filesize
696KB

Download