dridex | 33710d25f6f2936fdc181e997afab0a52271d5a2e0a49867e75a4b006a89eaa1

Analysis

max time kernel
104s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
28/04/2021, 04:01

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General

Target
2b631c6e_by_Libranalysis.dll
Size 162KB
Sample210428-3kh7b8hl2n
SHA256 33710d25f6f2936fdc181e997afab0a52271d5a2e0a49867e75a4b006a89eaa1
MD5 2b631c6eab4794d827172b5176e59e72
SHA1 c4b08ffe53f76cc73d371178431cb390b1570bf0
SHA512 89abac7eb1d0f5ead041d049bb40b3dff5b5da09f161f1c72a56cc2771c21ce7c08709d1c55bbb9fa15959c137d6466d9833fd5a33e223d57c49f15cb4fab884
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/1860-115-0x00000000736D0000-0x00000000736FE000-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 3560 wrote to memory of 1860	3560	rundll32.exe	64
PID 3560 wrote to memory of 1860	3560	rundll32.exe	64
PID 3560 wrote to memory of 1860	3560	rundll32.exe	64

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b631c6e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b631c6e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1860

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/1860-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/1860-117-0x00000000033A0000-0x00000000033A6000-memory.dmp