dridex | 3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a

Analysis

max time kernel
76s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 04:09

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General

Target

JaffaCakes118_3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a.dll
Size

161KB
MD5

df61078111dbfefd4d047f9ca509e40e
SHA1

53fa6c98ca10e3f3dcf98f3f5242577ec1355272
SHA256

3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a
SHA512

82d3e5f69ff25c2bad2363528cedbfb4c9883c6895f0794fafcda1a4cec87365ab809b3d0d31d409763661c514fb44aae6cdd453a4cc7e9c2499f54dbaeb72b5
SSDEEP

3072:olpmktgw9IAMlZxSGg7ypZIQ404g51acpg0xZtCVxwVeXm7YP1cOPpiihEY:olo0gw4ZMypZp45g51aXotOxwVeXm7Ym

Score

10^/10

dridex 40111 botnet discovery 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 family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3016-1-0x0000000074560000-0x000000007458E000-memory.dmp	dridex_ldr
behavioral1/memory/3016-2-0x0000000074560000-0x000000007458E000-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 1928 wrote to memory of 3016	1928	rundll32.exe	30
PID 1928 wrote to memory of 3016	1928	rundll32.exe	30
PID 1928 wrote to memory of 3016	1928	rundll32.exe	30
PID 1928 wrote to memory of 3016	1928	rundll32.exe	30
PID 1928 wrote to memory of 3016	1928	rundll32.exe	30
PID 1928 wrote to memory of 3016	1928	rundll32.exe	30
PID 1928 wrote to memory of 3016	1928	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3016

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/3016-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/3016-1-0x0000000074560000-0x000000007458E000-memory.dmp

Filesize
184KB

Download
memory/3016-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/3016-2-0x0000000074560000-0x000000007458E000-memory.dmp

Filesize
184KB

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