dridex | b7416f6229dae7bc167f6f18c25b993c7c11a88a139a77178102bd7ca84c469c

Analysis

max time kernel
68s
max time network
124s
platform
windows7_x64
resource
win7v20201028
submitted
11-11-2020 13:41

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General

Target

nbuqngtd.dll
Size

532KB
MD5

c151c22bf1425d8adfa4313ee1f2387c
SHA1

a18a5feb2495d5daeae01be7ae4a0ae58b233278
SHA256

b7416f6229dae7bc167f6f18c25b993c7c11a88a139a77178102bd7ca84c469c
SHA512

9748d5c307facc0a819816ec00fb60c975cbdaa534df5ab6871396f25a258930f45aaeac7d17e8d2e20012ac29cf678510c601914e11b4c965380154d668e170

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.39:443

69.164.207.140:3388

78.47.139.43:4443

103.244.206.74:33443

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/1636-1-0x0000000010000000-0x000000001003D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

3 1636 rundll32.exe
6 1636 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
3	1636	rundll32.exe
6	1636	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1668 wrote to memory of 1636	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1636	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1636	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1636	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1636	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1636	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1636	1668	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\nbuqngtd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\nbuqngtd.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1636

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/872-2-0x000007FEF6780000-0x000007FEF69FA000-memory.dmp

Filesize
2.5MB

Download
memory/1636-0-0x0000000000000000-mapping.dmp

Download
memory/1636-1-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download