dridex | e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21/04/2021, 17:53

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General

Target
e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797.dll
Size 162KB
Sample210421-3da3sw16de
SHA256 e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797
MD5 2498e7eac99bd0217c26aeb7678995c3
SHA1 68621dd406957330d6721fd8466837a0f3009a99
SHA512 d29ad25d631434e9bfd224971ccdd4ad33e7679269ebbfe52141b6487f1b52f03cab0c4c1217422e1a0e156bdba633e0e3e48aa9dd02c5776f163417cf67e092
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/3904-115-0x0000000074090000-0x00000000740BE000-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 3540 wrote to memory of 3904	3540	rundll32.exe	68
PID 3540 wrote to memory of 3904	3540	rundll32.exe	68
PID 3540 wrote to memory of 3904	3540	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3904

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/3904-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Download

memory/3904-117-0x00000000030E0000-0x00000000030E6000-memory.dmp