dridex | 1c0a744530570f9bfb8ffdb4a2e5a0c530771035af1b74d7d64e80f95dc34b5b

Analysis

max time kernel
91s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 03:53

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General

Target

JaffaCakes118_1c0a744530570f9bfb8ffdb4a2e5a0c530771035af1b74d7d64e80f95dc34b5b.dll
Size

184KB
MD5

5020434edaf414b4726d0e303cf8593e
SHA1

961564effd3701caaee667540ee6055c530c6724
SHA256

1c0a744530570f9bfb8ffdb4a2e5a0c530771035af1b74d7d64e80f95dc34b5b
SHA512

bf8f677968a1fa60d8f29d6a6b94b0ac21e46256fbf4cb852a9e68638cafb6a82c52ccbd38dd3ce3c93a343c0559cd5e9b03bdcca61be74ee5c921a30862a6fe
SSDEEP

3072:eiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoklzoxss7:eiLVCIT4WK2z1W+CUHZj4Skq/eaoaoC

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/2440-1-0x0000000074B20000-0x0000000074B4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2440	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 2744 wrote to memory of 2440	2744	rundll32.exe	30
PID 2744 wrote to memory of 2440	2744	rundll32.exe	30
PID 2744 wrote to memory of 2440	2744	rundll32.exe	30
PID 2744 wrote to memory of 2440	2744	rundll32.exe	30
PID 2744 wrote to memory of 2440	2744	rundll32.exe	30
PID 2744 wrote to memory of 2440	2744	rundll32.exe	30
PID 2744 wrote to memory of 2440	2744	rundll32.exe	30
PID 2440 wrote to memory of 2756	2440	rundll32.exe	31
PID 2440 wrote to memory of 2756	2440	rundll32.exe	31
PID 2440 wrote to memory of 2756	2440	rundll32.exe	31
PID 2440 wrote to memory of 2756	2440	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c0a744530570f9bfb8ffdb4a2e5a0c530771035af1b74d7d64e80f95dc34b5b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c0a744530570f9bfb8ffdb4a2e5a0c530771035af1b74d7d64e80f95dc34b5b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -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/2440-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2440-1-0x0000000074B20000-0x0000000074B4F000-memory.dmp

Filesize
188KB

Download
memory/2440-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download