dridex | 2315f820c3611bd6497ec9f6470bb1fa41f5c2cb59f381324e2e6fb5af22d7e0

Analysis

max time kernel
25s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 00:16

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General

Target

2315f820c3611bd6497ec9f6470bb1fa41f5c2cb59f381324e2e6fb5af22d7e0.dll
Size

158KB
MD5

dbfab93b2c985ea45cf9285a0a2b6855
SHA1

c9b772b3dc0fc893423625b1b5f658cc1f35decc
SHA256

2315f820c3611bd6497ec9f6470bb1fa41f5c2cb59f381324e2e6fb5af22d7e0
SHA512

c251703536c7f34c3f6190c23aca6a27ee5aefb7b1dd705ad057a97537865dc97faeef060ea2492b7245b4a2f12552041a96651b96419a55d4122a55e3ffb914

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1124-115-0x0000000074310000-0x000000007433D000-memory.dmp	dridex_ldr

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

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 800 wrote to memory of 1124	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 1124	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 1124	800	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2315f820c3611bd6497ec9f6470bb1fa41f5c2cb59f381324e2e6fb5af22d7e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2315f820c3611bd6497ec9f6470bb1fa41f5c2cb59f381324e2e6fb5af22d7e0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1124

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1124-114-0x0000000000000000-mapping.dmp

Download
memory/1124-115-0x0000000074310000-0x000000007433D000-memory.dmp

Filesize
180KB

Download
memory/1124-117-0x00000000033D0000-0x00000000033D6000-memory.dmp

Filesize
24KB

Download