dridex | 77fd00f3265b9ad686429a14fd99b6d84c2b60d70a0e4106f50fbb8e2cd9c158

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 01:14

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General

Target

JaffaCakes118_77fd00f3265b9ad686429a14fd99b6d84c2b60d70a0e4106f50fbb8e2cd9c158.dll
Size

184KB
MD5

57cf2e7928f0615ae183ec1461175516
SHA1

93e5f746ddd60ac67be9f6b3f07f8355e231ac20
SHA256

77fd00f3265b9ad686429a14fd99b6d84c2b60d70a0e4106f50fbb8e2cd9c158
SHA512

bf168614ccf6bc67d64ddb4457ce564e42b993324453083af2b00cf02fae9ec2684708fd998cba0deaf98e5899d26160e0be8111de782d23dcc36635b31b1eff
SSDEEP

3072:/uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4KLlmsb:F7TXYsd9SkONU1jKGl0lm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/2608-1-0x00000000748D0000-0x0000000074900000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2608	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 2524 wrote to memory of 2608	2524	rundll32.exe	30
PID 2524 wrote to memory of 2608	2524	rundll32.exe	30
PID 2524 wrote to memory of 2608	2524	rundll32.exe	30
PID 2524 wrote to memory of 2608	2524	rundll32.exe	30
PID 2524 wrote to memory of 2608	2524	rundll32.exe	30
PID 2524 wrote to memory of 2608	2524	rundll32.exe	30
PID 2524 wrote to memory of 2608	2524	rundll32.exe	30
PID 2608 wrote to memory of 2756	2608	rundll32.exe	31
PID 2608 wrote to memory of 2756	2608	rundll32.exe	31
PID 2608 wrote to memory of 2756	2608	rundll32.exe	31
PID 2608 wrote to memory of 2756	2608	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77fd00f3265b9ad686429a14fd99b6d84c2b60d70a0e4106f50fbb8e2cd9c158.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77fd00f3265b9ad686429a14fd99b6d84c2b60d70a0e4106f50fbb8e2cd9c158.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 220
    3⤵
    - Program crash
    PID:2756

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/2608-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2608-1-0x00000000748D0000-0x0000000074900000-memory.dmp

Filesize
192KB

Download
memory/2608-4-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download