dridex | 5fac8c672640a9fcf2da93e2f6d070e41768a4edfef91ef12b208a1ed3676618

Analysis

max time kernel
108s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:56

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General

Target

JaffaCakes118_5fac8c672640a9fcf2da93e2f6d070e41768a4edfef91ef12b208a1ed3676618.dll
Size

154KB
MD5

6a92885547c8e7dc3b5bc259ae3b28f4
SHA1

a4a16006edfd6fa93c4b240538b0a8890a618fc2
SHA256

5fac8c672640a9fcf2da93e2f6d070e41768a4edfef91ef12b208a1ed3676618
SHA512

241f6ee0593e5183fe395e6e0133518f690a2d9abafc20bbf7b9ff2143fdf6e8e3a6c77db5818fe51207f7131416c3317fb985354becd1b5c53f660a73e8e676
SSDEEP

3072:cZ+9Q25AHEf/2gUU7uZAOCIB0IgESXZyX/sS5eqLrNWBC:fQeVf/2gUU76rDeIgESXZmYYa

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/2312-1-0x0000000074E00000-0x0000000074E2D000-memory.dmp	dridex_ldr
behavioral1/memory/2312-3-0x0000000074E00000-0x0000000074E2D000-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 2800 wrote to memory of 2312	2800	rundll32.exe	30
PID 2800 wrote to memory of 2312	2800	rundll32.exe	30
PID 2800 wrote to memory of 2312	2800	rundll32.exe	30
PID 2800 wrote to memory of 2312	2800	rundll32.exe	30
PID 2800 wrote to memory of 2312	2800	rundll32.exe	30
PID 2800 wrote to memory of 2312	2800	rundll32.exe	30
PID 2800 wrote to memory of 2312	2800	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5fac8c672640a9fcf2da93e2f6d070e41768a4edfef91ef12b208a1ed3676618.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5fac8c672640a9fcf2da93e2f6d070e41768a4edfef91ef12b208a1ed3676618.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2312

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

Replay Monitor

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Downloads

memory/2312-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2312-1-0x0000000074E00000-0x0000000074E2D000-memory.dmp

Filesize
180KB

Download
memory/2312-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2312-3-0x0000000074E00000-0x0000000074E2D000-memory.dmp

Filesize
180KB

Download