dridex | 4dff737eff36ba5a2715746bcc2b1c3ebfd94e65e84f8d3180c117c487c32973

Analysis

max time kernel
19s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 10:55

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General

Target

4dff737eff36ba5a2715746bcc2b1c3ebfd94e65e84f8d3180c117c487c32973.dll
Size

158KB
MD5

0e04069dfaecac1cc521f65df0f29a45
SHA1

68dc89f979f76b88cceb0f0db972037bfb3469ea
SHA256

4dff737eff36ba5a2715746bcc2b1c3ebfd94e65e84f8d3180c117c487c32973
SHA512

19f87d24d0050e5766f0c2cb6c1df014203db942eba02ff5401d4411ad6d61f9fd7e576cb7648d8513f9702bfe1bea01a87a9a709902152fd5fe33aa8544a6df

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/3412-115-0x00000000755E0000-0x000000007560D000-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 4048 wrote to memory of 3412	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 3412	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 3412	4048	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dff737eff36ba5a2715746bcc2b1c3ebfd94e65e84f8d3180c117c487c32973.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dff737eff36ba5a2715746bcc2b1c3ebfd94e65e84f8d3180c117c487c32973.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3412

Network

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/3412-114-0x0000000000000000-mapping.dmp

Download
memory/3412-115-0x00000000755E0000-0x000000007560D000-memory.dmp

Filesize
180KB

Download
memory/3412-117-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download