dridex | af85e503676506f353f4fd95529a361f555bf55b834f3ef0eab56445eeb9c976

Analysis

max time kernel
123s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
02/05/2021, 22:02

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General

Target
d10fb04e_by_Libranalysis.dll
Size 162KB
Sample210502-d9198c8sz2
SHA256 af85e503676506f353f4fd95529a361f555bf55b834f3ef0eab56445eeb9c976
MD5 d10fb04ee3704b9b33fe6b6b01f9233e
SHA1 1c42004ee044795ee8c4f96ab162e3130f9fe720
SHA512 c3f9053523e37012327a6685d05b5192068aee10b844cb69ab1e80fe9ebb0e9d4c534d80adbb02e40c0d96a21b7a03eca40b9f94ebb48ad1bcb64cbb691fcf56
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/680-115-0x00000000739B0000-0x00000000739DE000-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 508 wrote to memory of 680	508	rundll32.exe	70
PID 508 wrote to memory of 680	508	rundll32.exe	70
PID 508 wrote to memory of 680	508	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d10fb04e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d10fb04e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:680

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/680-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Download

memory/680-117-0x0000000000750000-0x0000000000756000-memory.dmp