dridex | 0adb0a4144a23d57cde6a1bb683fdc009378e59314dedcb255b5a05ece37388f

Analysis

max time kernel
22s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
14/05/2021, 11:06

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General

Target
4b541f2c_by_Libranalysis.dll
Size 162KB
Sample210514-egea9zrmn2
SHA256 0adb0a4144a23d57cde6a1bb683fdc009378e59314dedcb255b5a05ece37388f
MD5 4b541f2cbbbb22fd5db752e564b7b764
SHA1 e584e6a14853a4ba6edd2ad936052ba2703b15ce
SHA512 aebd29e0c90eb3d3a12d382dbf55a7f68115b4ec08f5124b35448b82830cb8c4930b2f06e52cc71f2f5f3e7b8f900f321091328d74674a0778fb6a361a3872ff
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/2232-115-0x0000000073EE0000-0x0000000073F0E000-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 1908 wrote to memory of 2232	1908	rundll32.exe	67
PID 1908 wrote to memory of 2232	1908	rundll32.exe	67
PID 1908 wrote to memory of 2232	1908	rundll32.exe	67

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b541f2c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b541f2c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2232

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/2232-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Download

memory/2232-117-0x0000000000170000-0x0000000000176000-memory.dmp