dridex | fe99539b78b3ffa3efd46ac197886dcec375a4bc6c5a72d657e1d8f57abafe6a

Analysis

max time kernel
39s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
04/05/2021, 08:02

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General

Target
4b12cb69_by_Libranalysis.dll
Size 162KB
Sample210504-1wal5kd1pe
SHA256 fe99539b78b3ffa3efd46ac197886dcec375a4bc6c5a72d657e1d8f57abafe6a
MD5 4b12cb698762bd194b1f609b4a98cdc8
SHA1 c4829f8119d5d6f2ca549410ac90f104467ee6e0
SHA512 8194258f85e2fa5867d5b3401c2ddc62af60e15b0291949360062646f0f3c72c4aee2ceda859c218d14037eb96bb805c578e23ed55d53d5c262d5e8dda2ca72b
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/1500-115-0x0000000073FB0000-0x0000000073FDE000-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 808 wrote to memory of 1500	808	rundll32.exe	70
PID 808 wrote to memory of 1500	808	rundll32.exe	70
PID 808 wrote to memory of 1500	808	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b12cb69_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b12cb69_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1500

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/1500-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Download

memory/1500-117-0x0000000002B50000-0x0000000002C9A000-memory.dmp