dridex | a070410f3b2f252af6f4df830e1205e709ff9377484468642cf2648e60aff8eb

Analysis

max time kernel
136s
max time network
137s
platform
windows10_x64
resource
win10v20210410
submitted
11-05-2021 10:37

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General

Target

a070410f3b2f252af6f4df830e1205e709ff9377484468642cf2648e60aff8eb.dll
Size

158KB
MD5

bc151f99a8d1d0ea96662fec16bee968
SHA1

c8deafea47ea8f8e0d81f7fe218fa2d6720ab56b
SHA256

a070410f3b2f252af6f4df830e1205e709ff9377484468642cf2648e60aff8eb
SHA512

3aa25bfbc6a16b7ea0d34ed530ffd1b34bc0dd4d750ee8dbe34711287d299feca9921ccaf6f69913b082f573c49a1be20ae0d08b564c08dcc22280e631c1e566

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
behavioral2/memory/680-115-0x00000000739B0000-0x00000000739DD000-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 508 wrote to memory of 680	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 680	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 680	508	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a070410f3b2f252af6f4df830e1205e709ff9377484468642cf2648e60aff8eb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a070410f3b2f252af6f4df830e1205e709ff9377484468642cf2648e60aff8eb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:680

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/680-114-0x0000000000000000-mapping.dmp

Download
memory/680-115-0x00000000739B0000-0x00000000739DD000-memory.dmp

Filesize
180KB

Download
memory/680-117-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download