dridex | ef612a8e2b936ec05aa7fd4d897bb34bf86c7d8931938944ff798e2435018def

Analysis

max time kernel
23s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
12/05/2021, 21:01

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General

Target
0aba57de_by_Libranalysis.dll
Size 162KB
Sample210512-8ehtw64ern
SHA256 ef612a8e2b936ec05aa7fd4d897bb34bf86c7d8931938944ff798e2435018def
MD5 0aba57de637242754b5680bf5825bee4
SHA1 d333195cbbea207122fd952d035c33c542d5c403
SHA512 42d43454fb99e4ee21cf090997a5f170115a29fe597436d56fdbf5ef29a5e58765bfb160039c05769e1e04dbd4bdd850bb53e632f330dd423407ac44cbd65c91
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/3940-115-0x0000000074090000-0x00000000740BE000-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 3952 wrote to memory of 3940	3952	rundll32.exe	68
PID 3952 wrote to memory of 3940	3952	rundll32.exe	68
PID 3952 wrote to memory of 3940	3952	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0aba57de_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0aba57de_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3940

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/3940-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Download

memory/3940-117-0x00000000006F0000-0x00000000006F6000-memory.dmp