dridex | 189c3fcee2b3fb0bff1ec69081daeb1dc7b0d5bdba0147dc37b8c2b6c40c34a7

Analysis

max time kernel
67s
max time network
68s
platform
windows10_x64
resource
win10v20210408
submitted
15/04/2021, 23:11

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General

Target
189c3fcee2b3fb0bff1ec69081daeb1dc7b0d5bdba0147dc37b8c2b6c40c34a7.dll
Size 162KB
Sample210415-x1mk5dn2pj
SHA256 189c3fcee2b3fb0bff1ec69081daeb1dc7b0d5bdba0147dc37b8c2b6c40c34a7
MD5 7c006a8e8e2db682e28c089bef311faf
SHA1 d6c6a0e9fef0b2b11f66939c8258947a7011e0ef
SHA512 fbff420d6300d90df943f3b7e144ccfbff34f29982907179e06b8f94a951d6a29d70924acf14f140989c185bc3b4b98a86fb23d8c69c587481c8d18b4c617b42
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/684-115-0x0000000074350000-0x000000007437E000-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 736 wrote to memory of 684	736	rundll32.exe	69
PID 736 wrote to memory of 684	736	rundll32.exe	69
PID 736 wrote to memory of 684	736	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\189c3fcee2b3fb0bff1ec69081daeb1dc7b0d5bdba0147dc37b8c2b6c40c34a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\189c3fcee2b3fb0bff1ec69081daeb1dc7b0d5bdba0147dc37b8c2b6c40c34a7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:684

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/684-115-0x0000000074350000-0x000000007437E000-memory.dmp

Download

memory/684-117-0x0000000002AA0000-0x0000000002AA6000-memory.dmp