dridex | ce57f90b51e508d8f3569fe6fb0f3024fe2f4a23e8c7044cf60be982e39ee9e7

Analysis

max time kernel
105s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 07:17

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General

Target
ce57f90b51e508d8f3569fe6fb0f3024fe2f4a23e8c7044cf60be982e39ee9e7.dll
Size 162KB
Sample210419-238fsm8246
SHA256 ce57f90b51e508d8f3569fe6fb0f3024fe2f4a23e8c7044cf60be982e39ee9e7
MD5 9bfdbd509e9da818c87192fdd18e3881
SHA1 e0f662bb08b569ff9af03e8397637a9e9a0fd28d
SHA512 cef1623a8203775c95ff8e6ba6ea2a4c216888bd8e522650ba78df680105bd8f1c174fd673af684934b13294b8150744709a7ccc41487241e6588127d7c43be3
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/500-115-0x0000000073BF0000-0x0000000073C1E000-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 3176 wrote to memory of 500	3176	rundll32.exe	42
PID 3176 wrote to memory of 500	3176	rundll32.exe	42
PID 3176 wrote to memory of 500	3176	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce57f90b51e508d8f3569fe6fb0f3024fe2f4a23e8c7044cf60be982e39ee9e7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce57f90b51e508d8f3569fe6fb0f3024fe2f4a23e8c7044cf60be982e39ee9e7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:500

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/500-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Download

memory/500-117-0x0000000002F70000-0x0000000002F76000-memory.dmp