dridex | 049a15b2c9f6ad86738a9e18e48c2403f3a1ab2c8937ed855a28ed05f9812a55

Analysis

max time kernel
66s
max time network
67s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:10

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General

Target

049a15b2c9f6ad86738a9e18e48c2403f3a1ab2c8937ed855a28ed05f9812a55.dll
Size

157KB
MD5

8bf9e9ab81e86fc4123d390384793a1e
SHA1

0aafc0b03e6e5ad2a2e53383f01fea76dfccab32
SHA256

049a15b2c9f6ad86738a9e18e48c2403f3a1ab2c8937ed855a28ed05f9812a55
SHA512

03ea32a7882f9fb796550779fe83f5e93a0d2e79d33b42b3938ea6973eb8623cbc7eec60f7fab2ba7ae52a8bd6a351640ed1820990fea6751fc8df0227238a7a

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/3936-115-0x00000000755E0000-0x000000007560D000-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 4068 wrote to memory of 3936	4068	rundll32.exe	rundll32.exe
PID 4068 wrote to memory of 3936	4068	rundll32.exe	rundll32.exe
PID 4068 wrote to memory of 3936	4068	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\049a15b2c9f6ad86738a9e18e48c2403f3a1ab2c8937ed855a28ed05f9812a55.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4068

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\049a15b2c9f6ad86738a9e18e48c2403f3a1ab2c8937ed855a28ed05f9812a55.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3936

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3936-114-0x0000000000000000-mapping.dmp

Download
memory/3936-115-0x00000000755E0000-0x000000007560D000-memory.dmp

Filesize
180KB

Download
memory/3936-117-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download