dridex | f12e17df3e92d1323a34d3df27232f06f2172ca93ddce48aa3fdfed1eff80761

Analysis

max time kernel
39s
max time network
111s
platform
windows10_x64
resource
win10v20201028
submitted
03-04-2021 19:32

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General

Target

f12e17df3e92d1323a34d3df27232f06f2172ca93ddce48aa3fdfed1eff80761.dll
Size

192KB
MD5

8e79e397889ae99a48c454f3720f96d5
SHA1

97dc2f507639abfc9a4d424357fa65c04a72c810
SHA256

f12e17df3e92d1323a34d3df27232f06f2172ca93ddce48aa3fdfed1eff80761
SHA512

4a5dc41c97725a9c10b1330fd0e7efe9f51e73b08fec38be9ac683f9b92baea9910c498c3a070e4e9aa357b2cbb496c6dbfcc3dbc54016e1cdfa7ecba25d0b28

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

77.220.64.135:443

107.180.90.10:6601

31.24.158.56:7275

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4792-3-0x00000000737C0000-0x00000000737F2000-memory.dmp	dridex_ldr
behavioral2/memory/4792-5-0x00000000737C0000-0x00000000737E1000-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 4776 wrote to memory of 4792	4776	rundll32.exe	rundll32.exe
PID 4776 wrote to memory of 4792	4776	rundll32.exe	rundll32.exe
PID 4776 wrote to memory of 4792	4776	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f12e17df3e92d1323a34d3df27232f06f2172ca93ddce48aa3fdfed1eff80761.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4776

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f12e17df3e92d1323a34d3df27232f06f2172ca93ddce48aa3fdfed1eff80761.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4792

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/4792-2-0x0000000000000000-mapping.dmp

Download
memory/4792-3-0x00000000737C0000-0x00000000737F2000-memory.dmp

Filesize
200KB

Download
memory/4792-4-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/4792-5-0x00000000737C0000-0x00000000737E1000-memory.dmp

Filesize
132KB

Download