dridex | 6cf43d25ef61c873989db95dcc3ed03e7e0986671ab33f7e587617904a376a63

Analysis

max time kernel
19s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 15:22

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General

Target

6cf43d25ef61c873989db95dcc3ed03e7e0986671ab33f7e587617904a376a63.dll
Size

160KB
MD5

2b392fa54177f72e57616aca9faa1f79
SHA1

7a58a209a75e2131a4f049165bbdb7e3de94c3a1
SHA256

6cf43d25ef61c873989db95dcc3ed03e7e0986671ab33f7e587617904a376a63
SHA512

34e0a4aca82eefec33ba77dbf293e618bd5dae9bd0ee0db5418624b78d170287ded4f69d32972b29573a9ae7ef0789787bd4c50c7f094f886636e35ce979a253

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/4076-115-0x0000000074380000-0x00000000743AE000-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 3724 wrote to memory of 4076	3724	rundll32.exe	rundll32.exe
PID 3724 wrote to memory of 4076	3724	rundll32.exe	rundll32.exe
PID 3724 wrote to memory of 4076	3724	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cf43d25ef61c873989db95dcc3ed03e7e0986671ab33f7e587617904a376a63.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cf43d25ef61c873989db95dcc3ed03e7e0986671ab33f7e587617904a376a63.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4076

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4076-114-0x0000000000000000-mapping.dmp

Download
memory/4076-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Filesize
184KB

Download
memory/4076-117-0x0000000004630000-0x0000000004636000-memory.dmp

Filesize
24KB

Download