dridex | a5aa1c26d133e6239286796830e84c567210839c6ec759ac8ed6ff741e9f7578

Analysis

max time kernel
33s
max time network
69s
platform
windows10_x64
resource
win10v20210408
submitted
07/05/2021, 09:02

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General

Target
0e8e45f3_by_Libranalysis.dll
Size 162KB
Sample210507-lr8f2epkh2
SHA256 a5aa1c26d133e6239286796830e84c567210839c6ec759ac8ed6ff741e9f7578
MD5 0e8e45f3123cc9db9a44dc6301818a8b
SHA1 ac14e833d11f79fe6579a02c754118725b49315d
SHA512 f6d1a0204a9be469a6f2b806937cbe74cb767e6bb4903698ca8f344cf8f311aa0544028b3eb6d776d09404dbfcf5aa9dca13306382d0af4fa6f280a070ca0590
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/1216-115-0x00000000735F0000-0x000000007361E000-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 596 wrote to memory of 1216	596	rundll32.exe	70
PID 596 wrote to memory of 1216	596	rundll32.exe	70
PID 596 wrote to memory of 1216	596	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e8e45f3_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e8e45f3_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1216

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/1216-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Download

memory/1216-117-0x0000000003200000-0x000000000334A000-memory.dmp