dridex | 5502bac2b023a983d06c5d00efe3328a344b774952421fd5ac95c9d5f3e6f8e2

Analysis

max time kernel
19s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 08:21

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General

Target

5502bac2b023a983d06c5d00efe3328a344b774952421fd5ac95c9d5f3e6f8e2.dll
Size

160KB
MD5

29f357912260c2ac4609d4716213cec7
SHA1

3a96ef9093fa0df3be5c4be04879c284760be676
SHA256

5502bac2b023a983d06c5d00efe3328a344b774952421fd5ac95c9d5f3e6f8e2
SHA512

12988029a0ebb60048a3a774c4b82124b8ccf4151863494f1188cdadfd597802c2099c31f8a488b5e5a292f530a69127536a73a5de4580f5865326e6f74756e5

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/4520-115-0x0000000074290000-0x00000000742BE000-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 4428 wrote to memory of 4520	4428	rundll32.exe	rundll32.exe
PID 4428 wrote to memory of 4520	4428	rundll32.exe	rundll32.exe
PID 4428 wrote to memory of 4520	4428	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5502bac2b023a983d06c5d00efe3328a344b774952421fd5ac95c9d5f3e6f8e2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5502bac2b023a983d06c5d00efe3328a344b774952421fd5ac95c9d5f3e6f8e2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4520

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/4520-114-0x0000000000000000-mapping.dmp

Download
memory/4520-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Filesize
184KB

Download
memory/4520-117-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download