dridex | f137f9db28d0122694fc8a4d31632707db8711fd04d2b367e9a8c974c77f811e

Analysis

max time kernel
120s
max time network
120s
platform
windows10_x64
resource
win10v20210410
submitted
07/05/2021, 20:01

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General

Target
3cdb1b9a_by_Libranalysis.dll
Size 162KB
Sample210507-xtcy63jdmn
SHA256 f137f9db28d0122694fc8a4d31632707db8711fd04d2b367e9a8c974c77f811e
MD5 3cdb1b9a237eaeaca210e4fddc09bf70
SHA1 d1d43bccef7e81f6d8d7a3cdfcde5e1b2ba1d862
SHA512 08cdd2b577bb7a40442760e801d735575a45360d60bbce73dd444bf0bb0c0324c987dbe14478fa91f2afd9cb2b3b2114a3f1ed7e522a766d397adb4ca43d9bee
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/2220-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 2220	3680	rundll32.exe	71
PID 3680 wrote to memory of 2220	3680	rundll32.exe	71
PID 3680 wrote to memory of 2220	3680	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cdb1b9a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cdb1b9a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2220

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/2220-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/2220-117-0x0000000000700000-0x000000000084A000-memory.dmp