dridex | 473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 17:04

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General

Target

473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59.dll
Size

158KB
MD5

0dde75bcd2f5c99ac33b6600135f3a3a
SHA1

1a39ce2a7b2f163c8877f811ae3e31d7a8a72b25
SHA256

473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59
SHA512

9322fb1ad9c1b3fe3689794f6aec666112240c9ada674af3f0658b1098f11dda4dcc96d9154209ae3ad5a60016aed91fe8e1c4070d22033fe2653b6719114847

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
behavioral1/memory/1824-61-0x0000000074BF0000-0x0000000074C1D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1684 wrote to memory of 1824	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1824	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1824	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1824	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1824	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1824	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1824	1684	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1824

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

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Downloads

memory/1824-59-0x0000000000000000-mapping.dmp

Download
memory/1824-60-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1824-61-0x0000000074BF0000-0x0000000074C1D000-memory.dmp

Filesize
180KB

Download
memory/1824-63-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download