dridex | 365afc31bb544c5f888b9b522f7168fac9b14f7ff1829f8a7ac36b38959dde42

Analysis

max time kernel
145s
max time network
150s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 02:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

365afc31bb544c5f888b9b522f7168fac9b14f7ff1829f8a7ac36b38959dde42.dll
Size

196KB
MD5

7f1df66da5519c277f1bc1cfc1ece16f
SHA1

f0d1067b1e9dcf7536ee388e3eb94a532a370952
SHA256

365afc31bb544c5f888b9b522f7168fac9b14f7ff1829f8a7ac36b38959dde42
SHA512

97ba18d370de5c969c350e5284f3ff22f52a47c94beb774b1f813a405b6573d414f78d416a010299918122a26508ef53e14c4e7b29a101f9529c353aa68ee123

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3964-115-0x0000000073850000-0x0000000073883000-memory.dmp	dridex_ldr

Blocklisted process makes network request 3 IoCs

Processes:

rundll32.exe

flow pid process

14 3964 rundll32.exe
16 3964 rundll32.exe
17 3964 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
14	3964	rundll32.exe
16	3964	rundll32.exe
17	3964	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 3944 wrote to memory of 3964	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3964	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3964	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\365afc31bb544c5f888b9b522f7168fac9b14f7ff1829f8a7ac36b38959dde42.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\365afc31bb544c5f888b9b522f7168fac9b14f7ff1829f8a7ac36b38959dde42.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3964

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

Loading Replay Monitor...

Downloads

memory/3964-114-0x0000000000000000-mapping.dmp

Download
memory/3964-115-0x0000000073850000-0x0000000073883000-memory.dmp

Filesize
204KB

Download
memory/3964-117-0x0000000003290000-0x0000000003296000-memory.dmp

Filesize
24KB

Download