dridex | 4003b61d3733d7f2fdc3c01e650e5ee4381ac9d48d55ff6d05e9d8e114500591

Analysis

max time kernel
103s
max time network
114s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 18:02

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General

Target
e09b9bc1_by_Libranalysis.dll
Size 162KB
Sample210430-yyzf8zprxa
SHA256 4003b61d3733d7f2fdc3c01e650e5ee4381ac9d48d55ff6d05e9d8e114500591
MD5 e09b9bc1b332a47716108012d31ca455
SHA1 73c99ac9214e37d6c4062c292f5a9c68a3a4b145
SHA512 db38ed0eb824050e2b39c7c500ac6fa37c4a63131f2c84aa20903121a80aac7948fcbf8ec0f7d1f0d5f8e2229ec84eaa5eaa19dc2ca482822b22408cefb73f61
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/1464-115-0x0000000073D90000-0x0000000073DBE000-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 860 wrote to memory of 1464	860	rundll32.exe	71
PID 860 wrote to memory of 1464	860	rundll32.exe	71
PID 860 wrote to memory of 1464	860	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e09b9bc1_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e09b9bc1_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1464

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/1464-115-0x0000000073D90000-0x0000000073DBE000-memory.dmp

Download

memory/1464-117-0x0000000004B30000-0x0000000004B36000-memory.dmp