dridex | 5b2be8ee37e528998b7df7293dc6144660c411d5496c2f6575cf11f12c8e4001

Analysis

max time kernel
120s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
23/05/2021, 22:02

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General

Target
01bac60a_by_Libranalysis.dll
Size 162KB
Sample210523-pryehasnbj
SHA256 5b2be8ee37e528998b7df7293dc6144660c411d5496c2f6575cf11f12c8e4001
MD5 01bac60a83828a9495c665bb47760a54
SHA1 fa9cce12a5005fb3a30a1601335fdcb672e32d06
SHA512 2c3d0c13f4d43bd308a3b6cec1ea72f454e872a99f41c2ee9e920337e4856366516850feafdcd80c6912822af23389d57328fd01f17bd78e88e41eed9e43dc32
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/3140-115-0x00000000736B0000-0x00000000736DE000-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 3140	3680	rundll32.exe	49
PID 3680 wrote to memory of 3140	3680	rundll32.exe	49
PID 3680 wrote to memory of 3140	3680	rundll32.exe	49

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\01bac60a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\01bac60a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3140

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/3140-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/3140-117-0x00000000009F0000-0x00000000009F6000-memory.dmp