dridex | fd2c046489a2d6da9726333b4990e1ea05b562fea00cd7b7971c450ca1ad7e6f

Analysis

max time kernel
35s
max time network
42s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:03

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General

Target

fd2c046489a2d6da9726333b4990e1ea05b562fea00cd7b7971c450ca1ad7e6f.dll
Size

162KB
MD5

fbc35f6e8037e81ae461f10dce9cc506
SHA1

6f671d79c26eecf54228b6067df170d6ef1735a2
SHA256

fd2c046489a2d6da9726333b4990e1ea05b562fea00cd7b7971c450ca1ad7e6f
SHA512

456b4226d7126921cee3679afae5fcff73ed476818aa895cf942411e95331a08096f36c06a52f67931cc2220d98df2e9648c62605c9b35eb71b4ae97026bb381

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/364-115-0x0000000074430000-0x000000007445E000-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 364	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 364	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 364	804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd2c046489a2d6da9726333b4990e1ea05b562fea00cd7b7971c450ca1ad7e6f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd2c046489a2d6da9726333b4990e1ea05b562fea00cd7b7971c450ca1ad7e6f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:364

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/364-114-0x0000000000000000-mapping.dmp

Download
memory/364-115-0x0000000074430000-0x000000007445E000-memory.dmp

Filesize
184KB

Download
memory/364-117-0x0000000000960000-0x0000000000966000-memory.dmp

Filesize
24KB

Download