dridex | b8185cc4d8b083dd7f77e2ceebabdee5eb0dea0c0f4e19dc62e96cb55dce6537

Analysis

max time kernel
120s
max time network
86s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:02

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General

Target

b8185cc4d8b083dd7f77e2ceebabdee5eb0dea0c0f4e19dc62e96cb55dce6537.dll
Size

157KB
MD5

8ae71cd69523e019c0168703c7e01c15
SHA1

a21e8d4c143d6150fae9422a395ae49dab73d95d
SHA256

b8185cc4d8b083dd7f77e2ceebabdee5eb0dea0c0f4e19dc62e96cb55dce6537
SHA512

c070209352e9dd16979af9c429798b0000344fa89ce8119fb418da48855bd3d4323621faf9641e3f57bf4b899380f91c7c9bea32873e5699bc223320285a55da

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/1440-115-0x0000000074310000-0x000000007433D000-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 804 wrote to memory of 1440	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1440	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1440	804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8185cc4d8b083dd7f77e2ceebabdee5eb0dea0c0f4e19dc62e96cb55dce6537.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8185cc4d8b083dd7f77e2ceebabdee5eb0dea0c0f4e19dc62e96cb55dce6537.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1440

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/1440-114-0x0000000000000000-mapping.dmp

Download
memory/1440-115-0x0000000074310000-0x000000007433D000-memory.dmp

Filesize
180KB

Download
memory/1440-117-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download