dridex | 734fcd5376962f98ff5f71eba4a8cf6c777082de51723f690ac682d64c4938b6

Analysis

max time kernel
21s
max time network
118s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 01:59

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General

Target

734fcd5376962f98ff5f71eba4a8cf6c777082de51723f690ac682d64c4938b6.dll
Size

160KB
MD5

45cd9cde8716d371a3050596f791f3f1
SHA1

0d440c7da7973daea2ed615ab1c17257e6032acb
SHA256

734fcd5376962f98ff5f71eba4a8cf6c777082de51723f690ac682d64c4938b6
SHA512

948d6771bbb460c05d19ca7bd4f0163edc0d1418401d5243acc4d488a13ae62a3dbe2a69c8c4164c47a18bbff3f0f119b64eafaa6c291c0125acdbfef03674b6

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/3064-115-0x00000000741E0000-0x000000007420E000-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 1016 wrote to memory of 3064	1016	rundll32.exe	rundll32.exe
PID 1016 wrote to memory of 3064	1016	rundll32.exe	rundll32.exe
PID 1016 wrote to memory of 3064	1016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\734fcd5376962f98ff5f71eba4a8cf6c777082de51723f690ac682d64c4938b6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\734fcd5376962f98ff5f71eba4a8cf6c777082de51723f690ac682d64c4938b6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3064

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/3064-114-0x0000000000000000-mapping.dmp

Download
memory/3064-115-0x00000000741E0000-0x000000007420E000-memory.dmp

Filesize
184KB

Download
memory/3064-117-0x0000000000D50000-0x0000000000E9A000-memory.dmp

Filesize
1.3MB

Download