dridex | ffec108b0c273db09940cb640f88d648183b5a379db9d99bf01d153624655dd2

Analysis

max time kernel
110s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 19:30

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General

Target
ffec108b0c273db09940cb640f88d648183b5a379db9d99bf01d153624655dd2.dll
Size 162KB
Sample210420-1pmc4hkgla
SHA256 ffec108b0c273db09940cb640f88d648183b5a379db9d99bf01d153624655dd2
MD5 9436ed2f314dc3da3fa3eb1d1038600c
SHA1 1a6633c98a82c0c363ceb5a2f4067a65c45ea52d
SHA512 0c7d5b646b20aac3bbdef29e113e790324d03368b88b81a80adecf31cec85bda6e91f5d9d09e211bd967295cbfe0b22af3a506ae35cc603b3a70f13864dfc255
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/652-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 652	4020	rundll32.exe	71
PID 4020 wrote to memory of 652	4020	rundll32.exe	71
PID 4020 wrote to memory of 652	4020	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffec108b0c273db09940cb640f88d648183b5a379db9d99bf01d153624655dd2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffec108b0c273db09940cb640f88d648183b5a379db9d99bf01d153624655dd2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:652

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/652-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/652-117-0x0000000002990000-0x0000000002ADA000-memory.dmp