dridex | ef4abac6f8709ca942e551175d1dcc324134effc3ef4ff1e6c5fb484060d38cf

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 23:13

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General

Target

JaffaCakes118_ef4abac6f8709ca942e551175d1dcc324134effc3ef4ff1e6c5fb484060d38cf.dll
Size

184KB
MD5

146f325eaba0778923d07c4f24fd81dd
SHA1

c1f5df3f5710571356d490d9cdadc773dd6362f0
SHA256

ef4abac6f8709ca942e551175d1dcc324134effc3ef4ff1e6c5fb484060d38cf
SHA512

c672ffd8b45b168e53b954985b7f05e02bb64a5053b177c3cd4da71586cd7280b3b15a7a11c7c25475ba0373b85f0f8da7ba106ebfb647392343c2dcb1352842
SSDEEP

3072:TiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoMlzoxss7:TiLVCIT4WK2z1W+CUHZj4Skq/eaoyoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2844-1-0x00000000744F0000-0x000000007451F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2844	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 2996 wrote to memory of 2844	2996	rundll32.exe	30
PID 2996 wrote to memory of 2844	2996	rundll32.exe	30
PID 2996 wrote to memory of 2844	2996	rundll32.exe	30
PID 2996 wrote to memory of 2844	2996	rundll32.exe	30
PID 2996 wrote to memory of 2844	2996	rundll32.exe	30
PID 2996 wrote to memory of 2844	2996	rundll32.exe	30
PID 2996 wrote to memory of 2844	2996	rundll32.exe	30
PID 2844 wrote to memory of 2700	2844	rundll32.exe	31
PID 2844 wrote to memory of 2700	2844	rundll32.exe	31
PID 2844 wrote to memory of 2700	2844	rundll32.exe	31
PID 2844 wrote to memory of 2700	2844	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4abac6f8709ca942e551175d1dcc324134effc3ef4ff1e6c5fb484060d38cf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4abac6f8709ca942e551175d1dcc324134effc3ef4ff1e6c5fb484060d38cf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 220
    3⤵
    - Program crash
    PID:2700

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

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Downloads

memory/2844-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2844-1-0x00000000744F0000-0x000000007451F000-memory.dmp

Filesize
188KB

Download
memory/2844-4-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download