dridex | edbe844998edea0d511e5954fec2472aaffb3eef0f7d4eedb8cf79438b807db6

Analysis

max time kernel
46s
max time network
55s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 17:55

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General

Target

edbe844998edea0d511e5954fec2472aaffb3eef0f7d4eedb8cf79438b807db6.dll
Size

157KB
MD5

77fd5264c1c61ab6b3d516a5246682ab
SHA1

e32da2e97c72abee11175bcd5cebfb91f56a1a7c
SHA256

edbe844998edea0d511e5954fec2472aaffb3eef0f7d4eedb8cf79438b807db6
SHA512

ddc3a7f680ecaffe635fcb6e6be5b3890cd52eef2510549ee2f088a18c037f458f28023ad19425d8457514cadce3edc5cfa6449a707e53fce1cdd48ac81f4f64

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/4024-115-0x0000000074390000-0x00000000743BD000-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 532 wrote to memory of 4024	532	rundll32.exe	rundll32.exe
PID 532 wrote to memory of 4024	532	rundll32.exe	rundll32.exe
PID 532 wrote to memory of 4024	532	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\edbe844998edea0d511e5954fec2472aaffb3eef0f7d4eedb8cf79438b807db6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:532

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\edbe844998edea0d511e5954fec2472aaffb3eef0f7d4eedb8cf79438b807db6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4024

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/4024-114-0x0000000000000000-mapping.dmp

Download
memory/4024-115-0x0000000074390000-0x00000000743BD000-memory.dmp

Filesize
180KB

Download
memory/4024-117-0x00000000024E0000-0x000000000262A000-memory.dmp

Filesize
1.3MB

Download