dridex | 788fee57c964134872e6a1f1c6e511fbf9b72afb49f787afee74f1f5d2ac72e6

Analysis

max time kernel
68s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 04:01

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General

Target
b592ca6e_by_Libranalysis.dll
Size 162KB
Sample210503-xsr3z7pbts
SHA256 788fee57c964134872e6a1f1c6e511fbf9b72afb49f787afee74f1f5d2ac72e6
MD5 b592ca6e6402e3de2c64fbd22b0604c4
SHA1 35dec912f1c5fdc91453130c788a83ceba2e5afa
SHA512 26b03c92267e9b258c3f624057da5aba9d6916cd2adce13a7703c32622699448b53b109c9493def165014ef2d45249a105d385fe10b815da5d9160196fd0956b
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/3120-115-0x0000000074300000-0x000000007432E000-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 3872 wrote to memory of 3120	3872	rundll32.exe	69
PID 3872 wrote to memory of 3120	3872	rundll32.exe	69
PID 3872 wrote to memory of 3120	3872	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b592ca6e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b592ca6e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3120

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/3120-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/3120-117-0x0000000000730000-0x0000000000736000-memory.dmp