dridex | a9133c9223df68f028b34a91e0c3dfbd3a51175683562c8be4df092237162de5

Analysis

max time kernel
95s
max time network
95s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:01

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General

Target

a9133c9223df68f028b34a91e0c3dfbd3a51175683562c8be4df092237162de5.dll
Size

157KB
MD5

7f2b1076e9347073bc02d3ce8f7b1356
SHA1

27c24db556c11d7ecaf5fa2c8f1c50e5a183d719
SHA256

a9133c9223df68f028b34a91e0c3dfbd3a51175683562c8be4df092237162de5
SHA512

4bf91e502bc6e76a1eccd592770af9f80094a9334a6fac9c6a1783b4f847cff0116cec24698c016b7d2ce03c0198347407a279d987ca096324e45794a445c799

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/3736-115-0x00000000739D0000-0x00000000739FD000-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 3744 wrote to memory of 3736	3744	rundll32.exe	rundll32.exe
PID 3744 wrote to memory of 3736	3744	rundll32.exe	rundll32.exe
PID 3744 wrote to memory of 3736	3744	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9133c9223df68f028b34a91e0c3dfbd3a51175683562c8be4df092237162de5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9133c9223df68f028b34a91e0c3dfbd3a51175683562c8be4df092237162de5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3736

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/3736-114-0x0000000000000000-mapping.dmp

Download
memory/3736-115-0x00000000739D0000-0x00000000739FD000-memory.dmp

Filesize
180KB

Download
memory/3736-117-0x00000000032E0000-0x00000000032E6000-memory.dmp

Filesize
24KB

Download