dridex | e5d435b055e8dcd893f3cd166be2a2e7521affc97a85ca74a1436c610c7c158a

Analysis

max time kernel
48s
max time network
57s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:01

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General

Target

e5d435b055e8dcd893f3cd166be2a2e7521affc97a85ca74a1436c610c7c158a.dll
Size

157KB
MD5

983e9a889fbbd42f3c4e31dc04ac97f2
SHA1

4337f2433dec65c73a9226dc06ebd61e8245922c
SHA256

e5d435b055e8dcd893f3cd166be2a2e7521affc97a85ca74a1436c610c7c158a
SHA512

623b561ae2f55f6d126c68fd45952e70c39190489a8a94ad0ac367215e6d7be8a693081d93ceb71e1fce4b969558ad3e429352f06d114aef608b4b8af8e4b02f

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/412-115-0x0000000073890000-0x00000000738BD000-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 2840 wrote to memory of 412	2840	rundll32.exe	rundll32.exe
PID 2840 wrote to memory of 412	2840	rundll32.exe	rundll32.exe
PID 2840 wrote to memory of 412	2840	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5d435b055e8dcd893f3cd166be2a2e7521affc97a85ca74a1436c610c7c158a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2840

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5d435b055e8dcd893f3cd166be2a2e7521affc97a85ca74a1436c610c7c158a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:412

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/412-114-0x0000000000000000-mapping.dmp

Download
memory/412-115-0x0000000073890000-0x00000000738BD000-memory.dmp

Filesize
180KB

Download
memory/412-117-0x0000000002820000-0x000000000296A000-memory.dmp

Filesize
1.3MB

Download