dridex | 812f55dbcd733ae9cb97fafea04db11565d771f31e890243c1ac1ee47831ff4b

Analysis

max time kernel
54s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:27

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General

Target

JaffaCakes118_812f55dbcd733ae9cb97fafea04db11565d771f31e890243c1ac1ee47831ff4b.dll
Size

204KB
MD5

02ccf186e31b4edaddc2880d6a16fec1
SHA1

8a60dbdbda31793331d957f523f8cdf862801eb7
SHA256

812f55dbcd733ae9cb97fafea04db11565d771f31e890243c1ac1ee47831ff4b
SHA512

2822a24b49fb7744f39d8823e0a20fe7b18330c8ad0eb42b1c675605fb260246adc696e1bdd2e41e4eeae67b11c7b9adb18af1712af5c5e93d0183b7eb634665
SSDEEP

3072:I6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:IZuX6pEaeEDheWa+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/2124-0-0x0000000075300000-0x0000000075335000-memory.dmp	dridex_ldr
behavioral1/memory/2124-3-0x0000000075300000-0x0000000075335000-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 2100 wrote to memory of 2124	2100	rundll32.exe	30
PID 2100 wrote to memory of 2124	2100	rundll32.exe	30
PID 2100 wrote to memory of 2124	2100	rundll32.exe	30
PID 2100 wrote to memory of 2124	2100	rundll32.exe	30
PID 2100 wrote to memory of 2124	2100	rundll32.exe	30
PID 2100 wrote to memory of 2124	2100	rundll32.exe	30
PID 2100 wrote to memory of 2124	2100	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_812f55dbcd733ae9cb97fafea04db11565d771f31e890243c1ac1ee47831ff4b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_812f55dbcd733ae9cb97fafea04db11565d771f31e890243c1ac1ee47831ff4b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2124

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/2124-0-0x0000000075300000-0x0000000075335000-memory.dmp

Filesize
212KB

Download
memory/2124-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2124-3-0x0000000075300000-0x0000000075335000-memory.dmp

Filesize
212KB

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