dridex | f9134932195cba26b22fa7a677e9b74353270b48b1514b89b3c7f49e6b327538

Analysis

max time kernel
21s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 03:32

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General

Target

f9134932195cba26b22fa7a677e9b74353270b48b1514b89b3c7f49e6b327538.dll
Size

158KB
MD5

b28c90edef53e61645e60266a6e027ec
SHA1

d83d2a1191fdc9d48ca94d596c80316733e25c62
SHA256

f9134932195cba26b22fa7a677e9b74353270b48b1514b89b3c7f49e6b327538
SHA512

779927941cae6c876749213f7169a4f091583aee669b1c41ebed71c5a2d67e72a284ac34ab285857d3fda5155c7a5c172a4b2e9167ba5d2d3ef17b58058e1c98

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/3176-115-0x00000000741E0000-0x000000007420D000-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 3188 wrote to memory of 3176	3188	rundll32.exe	rundll32.exe
PID 3188 wrote to memory of 3176	3188	rundll32.exe	rundll32.exe
PID 3188 wrote to memory of 3176	3188	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9134932195cba26b22fa7a677e9b74353270b48b1514b89b3c7f49e6b327538.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3188

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9134932195cba26b22fa7a677e9b74353270b48b1514b89b3c7f49e6b327538.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3176

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/3176-114-0x0000000000000000-mapping.dmp

Download
memory/3176-115-0x00000000741E0000-0x000000007420D000-memory.dmp

Filesize
180KB

Download
memory/3176-117-0x0000000004D90000-0x0000000004D96000-memory.dmp

Filesize
24KB

Download