dridex | aab80420793bce8864a22b9e7e5776e314f1646a3d21b8677d4bbb2cf81d8013

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 06:10

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General

Target

aab80420793bce8864a22b9e7e5776e314f1646a3d21b8677d4bbb2cf81d8013.dll
Size

160KB
MD5

4259b7a4920f1321adedecb83951c6bf
SHA1

ffbd097b46577f0e8ecb09be0a40bf793523090a
SHA256

aab80420793bce8864a22b9e7e5776e314f1646a3d21b8677d4bbb2cf81d8013
SHA512

518ea9825694568b978bcb54cf296debfec73a413fb37d952f3f29e6fb97d821d42d282a07dce58952821c665d5650f6346f6d42cfb0d3499c7e8fc30fba1546

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/1972-115-0x0000000073660000-0x000000007368E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4012 wrote to memory of 1972	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 1972	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 1972	4012	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aab80420793bce8864a22b9e7e5776e314f1646a3d21b8677d4bbb2cf81d8013.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aab80420793bce8864a22b9e7e5776e314f1646a3d21b8677d4bbb2cf81d8013.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1972

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/1972-114-0x0000000000000000-mapping.dmp

Download
memory/1972-115-0x0000000073660000-0x000000007368E000-memory.dmp

Filesize
184KB

Download
memory/1972-117-0x0000000002C40000-0x0000000002C46000-memory.dmp

Filesize
24KB

Download