dridex | bc606a9d34d6324440de645495e931c85862b3a69f2fc3f0745326bd08b4d6fb

Analysis

max time kernel
19s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 15:12

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General

Target

bc606a9d34d6324440de645495e931c85862b3a69f2fc3f0745326bd08b4d6fb.dll
Size

158KB
MD5

9daf8a03359c04d9ec7189fa9b6c3614
SHA1

84917c4477a7569f1ae5318513fab41cd367fc8c
SHA256

bc606a9d34d6324440de645495e931c85862b3a69f2fc3f0745326bd08b4d6fb
SHA512

fa4e77921608f9faa432a189d4e04b5aece2b7708d1ee5ba786b81b2ee67acba68a8858f912797e16a0dbc78ba51bc9b0ee4e6f3099327961d2a3462a923aa24

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/4460-115-0x0000000074290000-0x00000000742BD000-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 4432 wrote to memory of 4460	4432	rundll32.exe	rundll32.exe
PID 4432 wrote to memory of 4460	4432	rundll32.exe	rundll32.exe
PID 4432 wrote to memory of 4460	4432	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc606a9d34d6324440de645495e931c85862b3a69f2fc3f0745326bd08b4d6fb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4432

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc606a9d34d6324440de645495e931c85862b3a69f2fc3f0745326bd08b4d6fb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4460

Network

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/4460-114-0x0000000000000000-mapping.dmp

Download
memory/4460-115-0x0000000074290000-0x00000000742BD000-memory.dmp

Filesize
180KB

Download
memory/4460-117-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

Download