dridex | b926d4dc680fef85c129fd4e4138124a8c03a54c97b3a6ca69a08132f3cfafbd

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
23/05/2021, 22:01

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General

Target
c1104581_by_Libranalysis.dll
Size 162KB
Sample210523-1cj4vxvb4a
SHA256 b926d4dc680fef85c129fd4e4138124a8c03a54c97b3a6ca69a08132f3cfafbd
MD5 c110458188f8249363d2e42109058b82
SHA1 497a0bf37d2b66923cdc275c33bfc4e6b6d4ff8c
SHA512 e359d40481c2ebd498f00152c6462c30aad05fe860c7e8896950d67c75ea7e1844bd84e7c0d3cb645d792b4eed9516a64352bd167e69b0f4e33be5d3490c2ee4
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/4068-115-0x0000000073EE0000-0x0000000073F0E000-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 2232 wrote to memory of 4068	2232	rundll32.exe	38
PID 2232 wrote to memory of 4068	2232	rundll32.exe	38
PID 2232 wrote to memory of 4068	2232	rundll32.exe	38

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1104581_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1104581_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4068

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/4068-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Download

memory/4068-117-0x0000000000C90000-0x0000000000C96000-memory.dmp