dridex | 4ffa0f3e127cf866c1ce37a334ea9b042844f0547c2c1f70add6b7d01eb488d7

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:47

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General

Target

JaffaCakes118_4ffa0f3e127cf866c1ce37a334ea9b042844f0547c2c1f70add6b7d01eb488d7.dll
Size

184KB
MD5

5134e07b3382dd63980e4b8e2b2f8737
SHA1

925fedc10f64f735abe8337ad4d381d81af1e207
SHA256

4ffa0f3e127cf866c1ce37a334ea9b042844f0547c2c1f70add6b7d01eb488d7
SHA512

f5c6e5a39fe39359967a13292c1c27687475b4ded48f560b5a13381aefecc473d4973068ac4862d092bb8cadff0419f267406679fa0e986eb718c56d71182caa
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J8a//2uFrSc:mfYOX+wTScR/Xzku9LVw7uG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2852-1-0x00000000749F0000-0x0000000074A1F000-memory.dmp	dridex_ldr
behavioral1/memory/2852-2-0x00000000749F0000-0x0000000074A1F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2852	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2852	2836	rundll32.exe	30
PID 2836 wrote to memory of 2852	2836	rundll32.exe	30
PID 2836 wrote to memory of 2852	2836	rundll32.exe	30
PID 2836 wrote to memory of 2852	2836	rundll32.exe	30
PID 2836 wrote to memory of 2852	2836	rundll32.exe	30
PID 2836 wrote to memory of 2852	2836	rundll32.exe	30
PID 2836 wrote to memory of 2852	2836	rundll32.exe	30
PID 2852 wrote to memory of 2760	2852	rundll32.exe	31
PID 2852 wrote to memory of 2760	2852	rundll32.exe	31
PID 2852 wrote to memory of 2760	2852	rundll32.exe	31
PID 2852 wrote to memory of 2760	2852	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ffa0f3e127cf866c1ce37a334ea9b042844f0547c2c1f70add6b7d01eb488d7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ffa0f3e127cf866c1ce37a334ea9b042844f0547c2c1f70add6b7d01eb488d7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 220
    3⤵
    - Program crash
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2852-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2852-1-0x00000000749F0000-0x0000000074A1F000-memory.dmp

Filesize
188KB

Download
memory/2852-2-0x00000000749F0000-0x0000000074A1F000-memory.dmp

Filesize
188KB

Download
memory/2852-4-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download