dridex | d949ebca4c0bd69fc265f6140d4ae6737e1d3c4dc5ebdf3578ecde930627162e

Analysis

max time kernel
44s
max time network
100s
platform
windows7_x64
resource
win7v20201028
submitted
17/02/2021, 18:13

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General

Target
SecuriteInfo.com.Generic.mg.44f806013f9cefc3.30307.dll
Size 1.0MB
Sample210217-ydrtapyzj6
SHA256 d949ebca4c0bd69fc265f6140d4ae6737e1d3c4dc5ebdf3578ecde930627162e
MD5 44f806013f9cefc33f2e45d4fc7602b2
SHA1 54ad2a9ca2882e89ceea09c774807d2861ddafcd
SHA512 f18982548085aa8f2b2a9d64216ac65c1962bc2a4ad86916f4ce9d476df0bff6b4bbc5d1aaabf03d65a83c16e1071e12aaf12e37cb0bc505dbc322870d103d14
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443
198.1.115.153:8172
151.236.29.248:6516

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

resource	yara_rule
behavioral1/memory/2020-4-0x0000000074FE0000-0x000000007501D000-memory.dmp	dridex_ldr
behavioral1/memory/2020-5-0x0000000074FE0000-0x000000007501D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	2020	rundll32.exe
7	2020	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

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2020	1856	rundll32.exe	25
PID 1856 wrote to memory of 2020	1856	rundll32.exe	25
PID 1856 wrote to memory of 2020	1856	rundll32.exe	25
PID 1856 wrote to memory of 2020	1856	rundll32.exe	25
PID 1856 wrote to memory of 2020	1856	rundll32.exe	25
PID 1856 wrote to memory of 2020	1856	rundll32.exe	25
PID 1856 wrote to memory of 2020	1856	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.44f806013f9cefc3.30307.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.44f806013f9cefc3.30307.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/308-7-0x000007FEF7F70000-0x000007FEF81EA000-memory.dmp

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memory/2020-3-0x00000000767E1000-0x00000000767E3000-memory.dmp

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memory/2020-4-0x0000000074FE0000-0x000000007501D000-memory.dmp

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memory/2020-5-0x0000000074FE0000-0x000000007501D000-memory.dmp

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memory/2020-6-0x0000000000100000-0x0000000000101000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads