dridex | e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7

Analysis

max time kernel
27s
max time network
136s
platform
windows10_x64
resource
win10v20201028
submitted
03-03-2021 19:05

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General

Target

e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7.dll
Size

188KB
MD5

a00c75fc6f8bddc967df2583c162a787
SHA1

c76425d50f2507f14f9eb1fc76bf1c5b889ecd5c
SHA256

e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7
SHA512

b63dca79981fe6e66f1571d77e7aa1d5038045278559872c94d45bc325843bbdd124b48800f5e85aadb9c5bcc3cce2ea8a0bc5f3cb25e90a9cfa944751e55140

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

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/4788-3-0x0000000073D90000-0x0000000073DC1000-memory.dmp	dridex_ldr
behavioral2/memory/4788-5-0x0000000073D90000-0x0000000073DAF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

15 4788 rundll32.exe
17 4788 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
15	4788	rundll32.exe
17	4788	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 4764 wrote to memory of 4788	4764	rundll32.exe	rundll32.exe
PID 4764 wrote to memory of 4788	4764	rundll32.exe	rundll32.exe
PID 4764 wrote to memory of 4788	4764	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4764

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4788

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/4788-2-0x0000000000000000-mapping.dmp

Download
memory/4788-3-0x0000000073D90000-0x0000000073DC1000-memory.dmp

Filesize
196KB

Download
memory/4788-4-0x00000000030E0000-0x00000000030E6000-memory.dmp

Filesize
24KB

Download
memory/4788-5-0x0000000073D90000-0x0000000073DAF000-memory.dmp

Filesize
124KB

Download