dridex | f088188ce789d0392915d2cc949c0b5a084786c6f11e3df2796bcb921d9eb7e0

Analysis

max time kernel
105s
max time network
120s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:10

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General

Target

f088188ce789d0392915d2cc949c0b5a084786c6f11e3df2796bcb921d9eb7e0.dll
Size

154KB
MD5

7f64ba51a797c8b50475bbe6f6ad4c73
SHA1

536f25aef93bb41822e10c0867edfccdce96dcfc
SHA256

f088188ce789d0392915d2cc949c0b5a084786c6f11e3df2796bcb921d9eb7e0
SHA512

f43b95b57602d467407f4a5c7e60e95021f372417c112d65ce3bf0106ea96baecfa0f4cc7dea4d0661bf2adfd732a3fb2ace94954d208f500a89f036377e6d60

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1816-115-0x0000000073990000-0x00000000739BD000-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 1404 wrote to memory of 1816	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 1816	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 1816	1404	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f088188ce789d0392915d2cc949c0b5a084786c6f11e3df2796bcb921d9eb7e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f088188ce789d0392915d2cc949c0b5a084786c6f11e3df2796bcb921d9eb7e0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1816

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/1816-114-0x0000000000000000-mapping.dmp

Download
memory/1816-115-0x0000000073990000-0x00000000739BD000-memory.dmp

Filesize
180KB

Download
memory/1816-117-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download