dridex | 785dcb000a3d0925d6ded3262623d97d29eda9dadd1f2e099b166adcfa3652f2

Analysis

max time kernel
62s
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, 04:56

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General

Target

JaffaCakes118_785dcb000a3d0925d6ded3262623d97d29eda9dadd1f2e099b166adcfa3652f2.dll
Size

204KB
MD5

2e523026e13c45baf0dbcf974900b9e2
SHA1

cf46c88bf295076d51cc777cc2e0b9c429fc2143
SHA256

785dcb000a3d0925d6ded3262623d97d29eda9dadd1f2e099b166adcfa3652f2
SHA512

efcbbe3ad21a5e3114e4c38daf4910321fcccbc3fb0bdd4131c35e0f5ddf64cba97c77e3cbfcebca638c111cf96d5fc8fc0a2688f10b5702ca65ef64dec8ab6d
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
behavioral1/memory/1892-1-0x00000000748A0000-0x00000000748D5000-memory.dmp	dridex_ldr
behavioral1/memory/1892-2-0x00000000748A0000-0x00000000748D5000-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 2392 wrote to memory of 1892	2392	rundll32.exe	31
PID 2392 wrote to memory of 1892	2392	rundll32.exe	31
PID 2392 wrote to memory of 1892	2392	rundll32.exe	31
PID 2392 wrote to memory of 1892	2392	rundll32.exe	31
PID 2392 wrote to memory of 1892	2392	rundll32.exe	31
PID 2392 wrote to memory of 1892	2392	rundll32.exe	31
PID 2392 wrote to memory of 1892	2392	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785dcb000a3d0925d6ded3262623d97d29eda9dadd1f2e099b166adcfa3652f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785dcb000a3d0925d6ded3262623d97d29eda9dadd1f2e099b166adcfa3652f2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1892

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/1892-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1892-1-0x00000000748A0000-0x00000000748D5000-memory.dmp

Filesize
212KB

Download
memory/1892-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1892-2-0x00000000748A0000-0x00000000748D5000-memory.dmp

Filesize
212KB

Download