dridex | 44af5d54743aae2b99f6e47334df7f01cd77bebe6d596f7f97ff058eb0a91f92

Analysis

max time kernel
39s
max time network
149s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:29

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General

Target
44af5d54743aae2b99f6e47334df7f01cd77bebe6d596f7f97ff058eb0a91f92.dll
Size 188KB
Sample210224-a69hachx22
SHA256 44af5d54743aae2b99f6e47334df7f01cd77bebe6d596f7f97ff058eb0a91f92
MD5 3891931f9ebfb62d7531f0ff38787587
SHA1 ceec77f8f37990d72771f795059f97940988ac47
SHA512 dc66b28500fb8c138ba7fe57ecc49b68579916a3923e4ef3ebf58ae2d5cecd465a1d777082235072a7550f23f06bf201ff1766cd3b94727ef28a62a5f7d1a96d
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

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
behavioral2/memory/3428-3-0x00000000737C0000-0x00000000737F1000-memory.dmp	dridex_ldr
behavioral2/memory/3428-5-0x00000000737C0000-0x00000000737DF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	3428	rundll32.exe
19	3428	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 3 IoCs

description	pid	Process	procid_target
PID 496 wrote to memory of 3428	496	rundll32.exe	69
PID 496 wrote to memory of 3428	496	rundll32.exe	69
PID 496 wrote to memory of 3428	496	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\44af5d54743aae2b99f6e47334df7f01cd77bebe6d596f7f97ff058eb0a91f92.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\44af5d54743aae2b99f6e47334df7f01cd77bebe6d596f7f97ff058eb0a91f92.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:3428

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/3428-3-0x00000000737C0000-0x00000000737F1000-memory.dmp

Download

memory/3428-4-0x0000000000C70000-0x0000000000C76000-memory.dmp

Download

memory/3428-5-0x00000000737C0000-0x00000000737DF000-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