dridex | 7ff5c452642a28ae5b09e7a80041ccb1f33b97a4dc0336690c016cdaea9e89c8

Analysis

max time kernel
21s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 14:28

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General

Target
7ff5c452642a28ae5b09e7a80041ccb1f33b97a4dc0336690c016cdaea9e89c8.dll
Size 162KB
Sample210418-2v3hwv21pn
SHA256 7ff5c452642a28ae5b09e7a80041ccb1f33b97a4dc0336690c016cdaea9e89c8
MD5 8c00dc4e7ee70dd9c8ae728b6d34b4b7
SHA1 1792709c7f7872bd540ac7c15a3fa156074ebeb6
SHA512 2b882ee72ac67e37b0f312027f5ba11957fe929672684b32f1e94a9d4f6efbdd380c8f9a6ee0f002b17587740f767d726f1e2efa0821bddf4795f0c1e0441b42
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/976-115-0x0000000073660000-0x000000007368E000-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 2232 wrote to memory of 976	2232	rundll32.exe	45
PID 2232 wrote to memory of 976	2232	rundll32.exe	45
PID 2232 wrote to memory of 976	2232	rundll32.exe	45

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7ff5c452642a28ae5b09e7a80041ccb1f33b97a4dc0336690c016cdaea9e89c8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7ff5c452642a28ae5b09e7a80041ccb1f33b97a4dc0336690c016cdaea9e89c8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:976

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/976-115-0x0000000073660000-0x000000007368E000-memory.dmp

Download

memory/976-117-0x00000000009C0000-0x00000000009C6000-memory.dmp