dridex | 52431b0bed9187d042eaa65fde4d9373d7602f6e7312dae980e8615a1174b529

Analysis

max time kernel
95s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 18:37

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General

Target

JaffaCakes118_52431b0bed9187d042eaa65fde4d9373d7602f6e7312dae980e8615a1174b529.dll
Size

204KB
MD5

3fe3bd4e9f82aede6647849af85a61b8
SHA1

460962a7f85756af7eb1931f95741e0845ac4b8a
SHA256

52431b0bed9187d042eaa65fde4d9373d7602f6e7312dae980e8615a1174b529
SHA512

15c9072d738c0706f4cf7402be2910ea3b7d88c2768fffcbe8aa59da7a9fcc6ae94039e3ee336cf533186d2440558f8950431b1b637ad3d22905f4f37eaaf441
SSDEEP

3072:z6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:zZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4832-0-0x00000000755A0000-0x00000000755D5000-memory.dmp	dridex_ldr
behavioral2/memory/4832-3-0x00000000755A0000-0x00000000755D5000-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 3 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 4832	1680	rundll32.exe	83
PID 1680 wrote to memory of 4832	1680	rundll32.exe	83
PID 1680 wrote to memory of 4832	1680	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52431b0bed9187d042eaa65fde4d9373d7602f6e7312dae980e8615a1174b529.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52431b0bed9187d042eaa65fde4d9373d7602f6e7312dae980e8615a1174b529.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4832

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/4832-0-0x00000000755A0000-0x00000000755D5000-memory.dmp

Filesize
212KB

Download
memory/4832-2-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/4832-3-0x00000000755A0000-0x00000000755D5000-memory.dmp

Filesize
212KB

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