dridex | 256b50bb3e84820665477b76ba1a0e86c3a5b61bb525e73bd0551a1d5a42ed85

Analysis

max time kernel
33s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 12:02

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General

Target
c0ac18de_by_Libranalysis.dll
Size 162KB
Sample210508-c1fbm9cs4a
SHA256 256b50bb3e84820665477b76ba1a0e86c3a5b61bb525e73bd0551a1d5a42ed85
MD5 c0ac18de0b51578de0f6b7f8f8fc6220
SHA1 09bff81d711bc2ff0880d533df98e71040088120
SHA512 dc04492b834e6ed5320ac4bfdcd4be2e8c8514ea158ffc7f303f3d28649f67c8b388df8c86abc8ecda5de63cfbfbe45ca806a2497eb8d85b77755c212c212c0b
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/1524-115-0x0000000074440000-0x000000007446E000-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 808 wrote to memory of 1524	808	rundll32.exe	71
PID 808 wrote to memory of 1524	808	rundll32.exe	71
PID 808 wrote to memory of 1524	808	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0ac18de_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0ac18de_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1524

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/1524-115-0x0000000074440000-0x000000007446E000-memory.dmp

Download

memory/1524-117-0x0000000002C90000-0x0000000002DDA000-memory.dmp