dridex | 42ac695ed1e08527a51c9a3113ba652ac45d23e5e2252609ad4e04e7376c388e

Analysis

max time kernel
19s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
28-06-2021 22:55

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General

Target

42ac695ed1e08527a51c9a3113ba652ac45d23e5e2252609ad4e04e7376c388e.dll
Size

158KB
MD5

8e2a219fbc549141a7d9b39ceb6cb588
SHA1

a097865b6a4eac9d4eb9ea44e65cf519c2e48094
SHA256

42ac695ed1e08527a51c9a3113ba652ac45d23e5e2252609ad4e04e7376c388e
SHA512

9e4c4bf473b48e37404f657e701f18039f300aa21982a0db09eee20c5e3fcfe371c76337fc01a170b1c4856cb5e50da61bf48372d6a2b801c71c00e587054e52

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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

Processes:

resource	yara_rule
behavioral1/memory/3368-115-0x0000000073A90000-0x0000000073ABD000-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 3904 wrote to memory of 3368	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3368	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3368	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42ac695ed1e08527a51c9a3113ba652ac45d23e5e2252609ad4e04e7376c388e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42ac695ed1e08527a51c9a3113ba652ac45d23e5e2252609ad4e04e7376c388e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3368

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/3368-114-0x0000000000000000-mapping.dmp

Download
memory/3368-115-0x0000000073A90000-0x0000000073ABD000-memory.dmp

Filesize
180KB

Download
memory/3368-117-0x00000000032B0000-0x00000000032B6000-memory.dmp

Filesize
24KB

Download