dridex | 5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0

Analysis

max time kernel
48s
max time network
58s
platform
windows10_x64
resource
win10v20201028
submitted
03-04-2021 09:58

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General

Target

5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0.dll
Size

196KB
MD5

418105d402929f4ebc6fbc33cc01b052
SHA1

6a888162ecc8ae448782ca205e6487d11f04d2de
SHA256

5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0
SHA512

7a2b3269ba7a2bedc6de776fa122ae8c2dc3fb89792e54a9605fe8538e564d7418a18df1dd6fe5079fabaebec97913b5f167f64ce0bab3803c2c53ccaa1fb08d

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1392-3-0x00000000740B0000-0x00000000740E3000-memory.dmp	dridex_ldr
behavioral1/memory/1392-5-0x00000000740B0000-0x00000000740CF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

11 1392 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
11	1392	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 1308 wrote to memory of 1392	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1392	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1392	1308	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1392

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/1392-2-0x0000000000000000-mapping.dmp

Download
memory/1392-3-0x00000000740B0000-0x00000000740E3000-memory.dmp

Filesize
204KB

Download
memory/1392-4-0x0000000003060000-0x0000000003066000-memory.dmp

Filesize
24KB

Download
memory/1392-5-0x00000000740B0000-0x00000000740CF000-memory.dmp

Filesize
124KB

Download