dridex | 5956d058a33ef430e3d7f6b3f3aee4624713abffe28be7d2aba4b4409be5ad25

Analysis

max time kernel
146s
max time network
155s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 17:02

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General

Target
03588fb5_by_Libranalysis.dll
Size 162KB
Sample210430-kb2myetyr2
SHA256 5956d058a33ef430e3d7f6b3f3aee4624713abffe28be7d2aba4b4409be5ad25
MD5 03588fb5eff2cac188833afd3445d7fe
SHA1 73a2e36f8a41af2b30df6df0fb22ce22c7ab47d7
SHA512 b02536f69f43626cb13212c31d5cc4a0d38457950c43d3f60da663432b6e75ed3e857553a65b41412eed86697b95cea47ed66385272914482b5dfce2e7ada1b5
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/3624-115-0x00000000739D0000-0x00000000739FE000-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 2780 wrote to memory of 3624	2780	rundll32.exe	71
PID 2780 wrote to memory of 3624	2780	rundll32.exe	71
PID 2780 wrote to memory of 3624	2780	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03588fb5_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\03588fb5_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3624

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/3624-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Download

memory/3624-117-0x0000000000400000-0x00000000004AE000-memory.dmp