dridex | b104b17049749d96d008ee2a0ea7991f70e55656d2d8afede50cbed48c0133a5

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 18:27

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General

Target

b104b17049749d96d008ee2a0ea7991f70e55656d2d8afede50cbed48c0133a5.dll
Size

160KB
MD5

4444f58efb308bdee16b87cad191ca90
SHA1

0d3dad0ac6d2f55cebdf2d41e2c7f0c04ca3bd8b
SHA256

b104b17049749d96d008ee2a0ea7991f70e55656d2d8afede50cbed48c0133a5
SHA512

ad69a0c378d6c1ad08c1dada1c7e72d6e57e2ad832a858576dc176ecd07f9c769e3c2f5740d5aa5809514ef8b1f63bd4f9ac7a467a7b9cb2ec64300e119eeddd

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/3152-115-0x00000000736B0000-0x00000000736DE000-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 2752 wrote to memory of 3152	2752	rundll32.exe	rundll32.exe
PID 2752 wrote to memory of 3152	2752	rundll32.exe	rundll32.exe
PID 2752 wrote to memory of 3152	2752	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b104b17049749d96d008ee2a0ea7991f70e55656d2d8afede50cbed48c0133a5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b104b17049749d96d008ee2a0ea7991f70e55656d2d8afede50cbed48c0133a5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3152

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/3152-114-0x0000000000000000-mapping.dmp

Download
memory/3152-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Filesize
184KB

Download
memory/3152-117-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download