dridex | f8cfce6136279b6eee9fdf4c0480b5da018c6df776a0be0dfada06326af3c1c3

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
28-06-2021 01:34

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General

Target

f8cfce6136279b6eee9fdf4c0480b5da018c6df776a0be0dfada06326af3c1c3.dll
Size

160KB
MD5

ce5aec2f177d85310dfc495a4b50d44a
SHA1

4a84168a76c605eaf78d49887bcda671867fe934
SHA256

f8cfce6136279b6eee9fdf4c0480b5da018c6df776a0be0dfada06326af3c1c3
SHA512

1761f85ee41ff15a05d4db1dd00096d411819c4eeeb6177b8037bf57574d19248b753447c37d1a6e4569ec2edcdda82b0fecffcce1a34fb50b3b715bd2ae794b

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/732-115-0x00000000739B0000-0x00000000739DE000-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 508 wrote to memory of 732	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 732	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 732	508	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8cfce6136279b6eee9fdf4c0480b5da018c6df776a0be0dfada06326af3c1c3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8cfce6136279b6eee9fdf4c0480b5da018c6df776a0be0dfada06326af3c1c3.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:732

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/732-114-0x0000000000000000-mapping.dmp

Download
memory/732-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Filesize
184KB

Download
memory/732-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download