dridex | 51424a3f019eb716c20e0c5f6b896bb9a80248cb411705f33fa286645391affe

Analysis

max time kernel
25s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 14:25

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General

Target
51424a3f019eb716c20e0c5f6b896bb9a80248cb411705f33fa286645391affe.dll
Size 158KB
Sample210415-tkrdrweese
SHA256 51424a3f019eb716c20e0c5f6b896bb9a80248cb411705f33fa286645391affe
MD5 9252690fc9f1a683a581c75633e6294b
SHA1 d5a1503497fe682c1a7989458ce75945ec645ebf
SHA512 fba5c4405b19840fde908aeb57919f599b18929ce624fab3768d553b01d4a414d57b8ef6ee474a48420256ba638daa85e7ba9f10679ec41afc129e2ea94ae714
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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/3472-115-0x0000000074090000-0x00000000740BD000-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 3540 wrote to memory of 3472	3540	rundll32.exe	53
PID 3540 wrote to memory of 3472	3540	rundll32.exe	53
PID 3540 wrote to memory of 3472	3540	rundll32.exe	53

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\51424a3f019eb716c20e0c5f6b896bb9a80248cb411705f33fa286645391affe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\51424a3f019eb716c20e0c5f6b896bb9a80248cb411705f33fa286645391affe.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3472

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/3472-115-0x0000000074090000-0x00000000740BD000-memory.dmp

Download

memory/3472-117-0x00000000033F0000-0x00000000033F6000-memory.dmp