dridex | 641fbcc49b8c2c7fec4ffc48a02a4919030577645cd7ad00310f1db8d044a0dd

Analysis

max time kernel
88s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 01:02

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General

Target
c35d533f_by_Libranalysis.dll
Size 162KB
Sample210503-lrk9wj4xes
SHA256 641fbcc49b8c2c7fec4ffc48a02a4919030577645cd7ad00310f1db8d044a0dd
MD5 c35d533f6038fe036844e9ea4c3315cb
SHA1 0d708ba0ba27106f9b54ba1a5da51ce0d0288f10
SHA512 fed0ca61547da8934e50f4247e64c9913ca985792e6050537dd083aec3e25e910482d1dc229431ab0705cccaacabb5c9a540292b1688ca299f0512eb7ec656e0
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/3756-115-0x0000000073AA0000-0x0000000073ACE000-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 3184 wrote to memory of 3756	3184	rundll32.exe	41
PID 3184 wrote to memory of 3756	3184	rundll32.exe	41
PID 3184 wrote to memory of 3756	3184	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c35d533f_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c35d533f_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3756

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/3756-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Download

memory/3756-117-0x0000000002A50000-0x0000000002A56000-memory.dmp