dridex | 4b50de88cdfe801eef5ceffcb2a955f3848e93c751e6a060f6c369bd7fd341d4

Analysis

max time kernel
120s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 07:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4b50de88cdfe801eef5ceffcb2a955f3848e93c751e6a060f6c369bd7fd341d4.dll
Size 162KB
Sample210415-rtz29ek1a6
SHA256 4b50de88cdfe801eef5ceffcb2a955f3848e93c751e6a060f6c369bd7fd341d4
MD5 51c3fbb08959cc328f02f691a42646cf
SHA1 5d3397463cfcc3349f60f5400248196b80b1f02f
SHA512 85672d6276fc19291c733dc1ee79fef92434e6b3b40bab148233b0937e776b50df4bdf24c92eef233d359beb7a0c4c26f4d0396b4286d6f294378837dc0f43bd
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/748-115-0x0000000073BF0000-0x0000000073C1E000-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 748	3176	rundll32.exe	70
PID 3176 wrote to memory of 748	3176	rundll32.exe	70
PID 3176 wrote to memory of 748	3176	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b50de88cdfe801eef5ceffcb2a955f3848e93c751e6a060f6c369bd7fd341d4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b50de88cdfe801eef5ceffcb2a955f3848e93c751e6a060f6c369bd7fd341d4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:748

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

Loading Replay Monitor...

Downloads

memory/748-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Download

memory/748-117-0x0000000000C40000-0x0000000000C46000-memory.dmp