dridex | 528b7b11e725b1a752714152270dd3c23244d014e9d922fee3e09e2231b50d95

Analysis

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

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 05:39

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General

Target

JaffaCakes118_528b7b11e725b1a752714152270dd3c23244d014e9d922fee3e09e2231b50d95.dll
Size

184KB
MD5

cada13f7d70c551d6f9a080b379c105b
SHA1

e014c430362087d0dcc1f295acd4b7d042945980
SHA256

528b7b11e725b1a752714152270dd3c23244d014e9d922fee3e09e2231b50d95
SHA512

8e7035cda4281138a7a9c07e10c7e360f854b5714c05ca25b1ab6331b616b7d9420965877b837056e4d0e11e7b80d09728e4dc4b5755f569dc6a5a242ad22d62
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoBlzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaofoC

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/1756-1-0x00000000752A0000-0x00000000752CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1216	1756	WerFault.exe	29

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 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1756 wrote to memory of 1216	1756	rundll32.exe	30
PID 1756 wrote to memory of 1216	1756	rundll32.exe	30
PID 1756 wrote to memory of 1216	1756	rundll32.exe	30
PID 1756 wrote to memory of 1216	1756	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_528b7b11e725b1a752714152270dd3c23244d014e9d922fee3e09e2231b50d95.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_528b7b11e725b1a752714152270dd3c23244d014e9d922fee3e09e2231b50d95.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 220
    3⤵
    - Program crash
    PID:1216

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/1756-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1756-1-0x00000000752A0000-0x00000000752CF000-memory.dmp

Filesize
188KB

Download
memory/1756-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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