dridex | 0da60a594c0043af2eca38b8bcf18c4c9339e3788fa76b5cec6eeb71cb583829

General

Target

0da60a594c0043af2eca38b8bcf18c4c9339e3788fa76b5cec6eeb71cb583829.dll
Size

196KB
MD5

9e4536d21ba9412b9ad0eaca930e9390
SHA1

f116c4c3726c82b41d2e011cff1c13da0f0c1051
SHA256

0da60a594c0043af2eca38b8bcf18c4c9339e3788fa76b5cec6eeb71cb583829
SHA512

b167dc13fecf1f9c9f43f62096bf88aaaacc235da2a0653429cdb62b24d349484917dd1a9f60052371cc008d7448f4b6f718b85d926090fc49a75d00cb35b20e

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

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

Processes:

resource	yara_rule
behavioral1/memory/2020-4-0x0000000074EC0000-0x0000000074EF3000-memory.dmp	dridex_ldr
behavioral1/memory/2020-6-0x0000000074EC0000-0x0000000074EDF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

6 2020 rundll32.exe
8 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

Processes:

rundll32.exe

description ioc process

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

flow	pid	process
6	2020	rundll32.exe
8	2020	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 1832 wrote to memory of 2020	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2020	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2020	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2020	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2020	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2020	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2020	1832	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0da60a594c0043af2eca38b8bcf18c4c9339e3788fa76b5cec6eeb71cb583829.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0da60a594c0043af2eca38b8bcf18c4c9339e3788fa76b5cec6eeb71cb583829.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2020

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/1592-7-0x000007FEF7880000-0x000007FEF7AFA000-memory.dmp

Filesize
2.5MB

Download
memory/2020-2-0x0000000000000000-mapping.dmp

Download
memory/2020-3-0x0000000076371000-0x0000000076373000-memory.dmp

Filesize
8KB

Download
memory/2020-4-0x0000000074EC0000-0x0000000074EF3000-memory.dmp

Filesize
204KB

Download
memory/2020-5-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2020-6-0x0000000074EC0000-0x0000000074EDF000-memory.dmp

Filesize
124KB

Download

Analysis

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