dridex | ec2dff73353a0debf0db8add12c244b0135161e61fc905536820eff48b97644f

Analysis

max time kernel
36s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 11:03

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General

Target
c30635ec_by_Libranalysis.dll
Size 162KB
Sample210505-rp5d4dnbex
SHA256 ec2dff73353a0debf0db8add12c244b0135161e61fc905536820eff48b97644f
MD5 c30635ecd1cba835088a1391fe5bd41c
SHA1 a9b2c620fa88f2d7f15933f2cfa07d5120016f8d
SHA512 8ab6939253fb9797c1599014d32cbecb90b5c6b821c148bab2e6211a0dd79b52e353f281d181a8f60c233ffc15964cf408125226a507e8bd7566ac1e5f01bacb
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/8-115-0x00000000744D0000-0x00000000744FE000-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 620 wrote to memory of 8	620	rundll32.exe	69
PID 620 wrote to memory of 8	620	rundll32.exe	69
PID 620 wrote to memory of 8	620	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c30635ec_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c30635ec_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:8

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/8-115-0x00000000744D0000-0x00000000744FE000-memory.dmp

Download

memory/8-117-0x00000000031F0000-0x00000000031F6000-memory.dmp