dridex | 3f98ff14c116c0de628151af0766b7361fb136112dbabe626197902aad5cff20

Analysis

max time kernel
46s
max time network
57s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:09

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General

Target

3f98ff14c116c0de628151af0766b7361fb136112dbabe626197902aad5cff20.dll
Size

157KB
MD5

e6cac61b30df09da8fd97e5dfceee7e5
SHA1

23e7c1b371d7e60caa365191e1ec25b7b92cf381
SHA256

3f98ff14c116c0de628151af0766b7361fb136112dbabe626197902aad5cff20
SHA512

2f5c50a70eacc2d612effd45e6ccc89acf6549089cea00d3bcd20de0b856cc14332f1001af8e113ba601c46cc58a3830f8376101034d08c18bcde3fa2dffea5b

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/384-115-0x0000000074400000-0x000000007442D000-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 784 wrote to memory of 384	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 384	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 384	784	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f98ff14c116c0de628151af0766b7361fb136112dbabe626197902aad5cff20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f98ff14c116c0de628151af0766b7361fb136112dbabe626197902aad5cff20.dll,#1
2⤵
- Checks whether UAC is enabled
PID:384

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/384-114-0x0000000000000000-mapping.dmp

Download
memory/384-115-0x0000000074400000-0x000000007442D000-memory.dmp

Filesize
180KB

Download
memory/384-117-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download