dridex | f878aff401df3405f2f73f2ac3fbf13280d1776f1c79d5aec3f56fd29dadca61

Analysis

max time kernel
21s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 17:42

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General

Target

f878aff401df3405f2f73f2ac3fbf13280d1776f1c79d5aec3f56fd29dadca61.dll
Size

161KB
MD5

0b65226df695fba9c96dd2688971489e
SHA1

b816ab50c3d34b1c6c861d90efd56a2f9fcca5cf
SHA256

f878aff401df3405f2f73f2ac3fbf13280d1776f1c79d5aec3f56fd29dadca61
SHA512

ab3333b2f7bb6b6e91b8d44dbcb46c15b3ea2d142bfa69146d69e6806f981f11dbb0457499ff1920cd0174286c91fb6adfd0f4887f20b06963bbe58e8dedd90f

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/848-62-0x00000000747E0000-0x000000007480E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1904 wrote to memory of 848	1904	rundll32.exe	rundll32.exe
PID 1904 wrote to memory of 848	1904	rundll32.exe	rundll32.exe
PID 1904 wrote to memory of 848	1904	rundll32.exe	rundll32.exe
PID 1904 wrote to memory of 848	1904	rundll32.exe	rundll32.exe
PID 1904 wrote to memory of 848	1904	rundll32.exe	rundll32.exe
PID 1904 wrote to memory of 848	1904	rundll32.exe	rundll32.exe
PID 1904 wrote to memory of 848	1904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f878aff401df3405f2f73f2ac3fbf13280d1776f1c79d5aec3f56fd29dadca61.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f878aff401df3405f2f73f2ac3fbf13280d1776f1c79d5aec3f56fd29dadca61.dll,#1
2⤵
- Checks whether UAC is enabled
PID:848

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/848-60-0x0000000000000000-mapping.dmp

Download
memory/848-61-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download
memory/848-62-0x00000000747E0000-0x000000007480E000-memory.dmp

Filesize
184KB

Download
memory/848-64-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download