dridex | 512f8f34ebad353ac38c7fccd94c0a67c3adf957d69645c6086ac11f6698fb01

Analysis

max time kernel
82s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 10:40

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General

Target

72c1cfcf6d333a31cab273280b78f9e0N.dll
Size

223KB
MD5

72c1cfcf6d333a31cab273280b78f9e0
SHA1

568c775f5d7721e12d823dc123d6296c952ea201
SHA256

512f8f34ebad353ac38c7fccd94c0a67c3adf957d69645c6086ac11f6698fb01
SHA512

e4dc76da9c0a02343cafe3c821cbad88d5fc53b908aa298dd72f8287f9f9f98348273a2c0417367532dd274d6e801674c2a5d882e49c99d1620f02774f8cbd17
SSDEEP

3072:yopj6gTxmzaCEH8nFb369t9EtpiU7FZEz57GEYd4ntfrOulzQhos:FpjtUzy8nF8YN73Ez57Gz4VyWzQis

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.84:443

198.20.253.36:6601

162.144.76.184:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1752-1-0x0000000074850000-0x0000000074885000-memory.dmp	dridex_ldr
behavioral1/memory/1752-2-0x0000000074850000-0x0000000074885000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72c1cfcf6d333a31cab273280b78f9e0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\72c1cfcf6d333a31cab273280b78f9e0N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1752-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1752-1-0x0000000074850000-0x0000000074885000-memory.dmp

Filesize
212KB

Download
memory/1752-2-0x0000000074850000-0x0000000074885000-memory.dmp

Filesize
212KB

Download
memory/1752-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download