dridex | 3bdead5d3fa36b61c0f0eac1a246be98b0ed3d2e080a9fcb7882463d4e123868

Analysis

max time kernel
74s
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, 04:51

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General

Target

JaffaCakes118_3bdead5d3fa36b61c0f0eac1a246be98b0ed3d2e080a9fcb7882463d4e123868.dll
Size

160KB
MD5

cc5229629ed18f745da993c73985493a
SHA1

91ed4e1e154038b4d9965f3ae46fbb0195a3444a
SHA256

3bdead5d3fa36b61c0f0eac1a246be98b0ed3d2e080a9fcb7882463d4e123868
SHA512

da717a8186675113117603285ec025b1725932dbd4a0c0f72d4e07efba4a8dd7c6c62c54d0436cf8b60fb15d35e98bddedfddeed68db29a54570fe86b6b6afd2
SSDEEP

3072:tWX2IjzzpM+PncPeY8+O3AU3HRIHPh3UGfXy0BHNkIv/ScbQQ2y0iNM0+y+N0tc:t42IfzNPnoeY8j3AsHGPXpHNj6rByM3

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3736-1-0x00000000755B0000-0x00000000755DE000-memory.dmp	dridex_ldr
behavioral2/memory/3736-4-0x00000000755B0000-0x00000000755DE000-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 1652 wrote to memory of 3736	1652	rundll32.exe	83
PID 1652 wrote to memory of 3736	1652	rundll32.exe	83
PID 1652 wrote to memory of 3736	1652	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bdead5d3fa36b61c0f0eac1a246be98b0ed3d2e080a9fcb7882463d4e123868.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bdead5d3fa36b61c0f0eac1a246be98b0ed3d2e080a9fcb7882463d4e123868.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3736

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/3736-0-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3736-1-0x00000000755B0000-0x00000000755DE000-memory.dmp

Filesize
184KB

Download
memory/3736-3-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3736-4-0x00000000755B0000-0x00000000755DE000-memory.dmp

Filesize
184KB

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