dridex | 2139b47a4ff0442c291951699a935fa1df7d2faeb7b2ea5581cf1712170aad7a

Analysis

max time kernel
105s
max time network
142s
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 22:03

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General

Target

JaffaCakes118_2139b47a4ff0442c291951699a935fa1df7d2faeb7b2ea5581cf1712170aad7a.dll
Size

204KB
MD5

57960ce637036beece90bb5963860fc9
SHA1

c55a4fe0105259f9f5b9bd47a4e4630df88644f3
SHA256

2139b47a4ff0442c291951699a935fa1df7d2faeb7b2ea5581cf1712170aad7a
SHA512

552cf3467524d567d56a8121fe048a3557dcbc3512c7e3c3acad2e147b8ece491d7e2da64627543373c28045438f07859d04a607caad6f25e12b245770f0c6ab
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/3240-1-0x0000000075180000-0x00000000751B5000-memory.dmp	dridex_ldr
behavioral2/memory/3240-4-0x0000000075180000-0x00000000751B5000-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 2228 wrote to memory of 3240	2228	rundll32.exe	82
PID 2228 wrote to memory of 3240	2228	rundll32.exe	82
PID 2228 wrote to memory of 3240	2228	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2139b47a4ff0442c291951699a935fa1df7d2faeb7b2ea5581cf1712170aad7a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2139b47a4ff0442c291951699a935fa1df7d2faeb7b2ea5581cf1712170aad7a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3240

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/3240-0-0x0000000001240000-0x0000000001246000-memory.dmp

Filesize
24KB

Download
memory/3240-1-0x0000000075180000-0x00000000751B5000-memory.dmp

Filesize
212KB

Download
memory/3240-3-0x0000000001240000-0x0000000001246000-memory.dmp

Filesize
24KB

Download
memory/3240-4-0x0000000075180000-0x00000000751B5000-memory.dmp

Filesize
212KB

Download