dridex | f74ad8e94800c2eb86b5b74879fa6a9b2b9e4ae7a29e53bc619e31305d726982

Analysis

max time kernel
123s
max time network
124s
platform
windows7_x64
resource
win7v20210410
submitted
14/05/2021, 13:02

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General

Target
8a428621_by_Libranalysis.dll
Size 162KB
Sample210514-e7lx438sl2
SHA256 f74ad8e94800c2eb86b5b74879fa6a9b2b9e4ae7a29e53bc619e31305d726982
MD5 8a428621e12b3213a368952fab7f4834
SHA1 a6b8e46c0275f3c2acbfa8ac04ca79f1dba5a943
SHA512 e65c0f6fa0c67fc129fa137242790516b94e262370cc8ce070301e4a255904c67a3fbe566cf5d8f5ed48911da3f4939acbaec28cbb27ab9dfe7d6697f833ebef
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
behavioral1/memory/2044-62-0x0000000075410000-0x000000007543E000-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 7 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 2044	1864	rundll32.exe	25
PID 1864 wrote to memory of 2044	1864	rundll32.exe	25
PID 1864 wrote to memory of 2044	1864	rundll32.exe	25
PID 1864 wrote to memory of 2044	1864	rundll32.exe	25
PID 1864 wrote to memory of 2044	1864	rundll32.exe	25
PID 1864 wrote to memory of 2044	1864	rundll32.exe	25
PID 1864 wrote to memory of 2044	1864	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a428621_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a428621_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2044

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

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Downloads

memory/2044-61-0x0000000076A81000-0x0000000076A83000-memory.dmp

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memory/2044-62-0x0000000075410000-0x000000007543E000-memory.dmp

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memory/2044-64-0x0000000000180000-0x0000000000186000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads