dridex | ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206

General

Target

ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206.dll
Size

923KB
MD5

81bf50c62c44ea1dcdee76fb4b53be02
SHA1

8ef9e02547aadd569af2c3e7c405bba6abb399e4
SHA256

ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206
SHA512

ce681ffccfb90142f76f3fc66a2f71dabe58fc85751891b0105ddf9d3341c6ae251ecc7eaccd959c9d4068a625787f2a5be06947938484f32d7e9df88166f223

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

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
behavioral1/memory/2016-63-0x0000000074DA0000-0x0000000074EA0000-memory.dmp	dridex_ldr
behavioral1/memory/2016-62-0x0000000074DA0000-0x0000000074DDD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 2016 rundll32.exe
7 2016 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
5	2016	rundll32.exe
7	2016	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 1848 wrote to memory of 2016	1848	rundll32.exe	rundll32.exe
PID 1848 wrote to memory of 2016	1848	rundll32.exe	rundll32.exe
PID 1848 wrote to memory of 2016	1848	rundll32.exe	rundll32.exe
PID 1848 wrote to memory of 2016	1848	rundll32.exe	rundll32.exe
PID 1848 wrote to memory of 2016	1848	rundll32.exe	rundll32.exe
PID 1848 wrote to memory of 2016	1848	rundll32.exe	rundll32.exe
PID 1848 wrote to memory of 2016	1848	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2016

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2016-60-0x0000000000000000-mapping.dmp

Download
memory/2016-61-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/2016-63-0x0000000074DA0000-0x0000000074EA0000-memory.dmp

Filesize
1024KB

Download
memory/2016-62-0x0000000074DA0000-0x0000000074DDD000-memory.dmp

Filesize
244KB

Download
memory/2016-64-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

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