dridex | 4199252b0a1cd3963c811d7743009aae169b3ff2b461ec4773bdf875d7f04d74

Analysis

max time kernel
34s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 16:01

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General

Target
b6b14a1c_by_Libranalysis.dll
Size 162KB
Sample210508-hm8yl1st7s
SHA256 4199252b0a1cd3963c811d7743009aae169b3ff2b461ec4773bdf875d7f04d74
MD5 b6b14a1c20ff3a9eaf94394211701494
SHA1 8595e1cda7a86456b329ba3a356c79405d738ec1
SHA512 2b767c708cdaf92081f0107e269c9f607da4b35724c703de9a726156a51008aad376d88b921af3860c7893c6d79e2b43a243261e66485cdfa616de3c25e8e63a
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/2760-115-0x0000000073560000-0x000000007358E000-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 3492 wrote to memory of 2760	3492	rundll32.exe	69
PID 3492 wrote to memory of 2760	3492	rundll32.exe	69
PID 3492 wrote to memory of 2760	3492	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6b14a1c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6b14a1c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2760

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/2760-115-0x0000000073560000-0x000000007358E000-memory.dmp

Download

memory/2760-117-0x0000000000BB0000-0x0000000000BB6000-memory.dmp