dridex | b24d279b0be9c4611fb55156c0e60a4f8326210d871870c4e4331150904d4241

Analysis

max time kernel
90s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 14:51

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General

Target

JaffaCakes118_b24d279b0be9c4611fb55156c0e60a4f8326210d871870c4e4331150904d4241.dll
Size

184KB
MD5

f542c79fb977f43c7c722ce8e545b0de
SHA1

7bd9c969bbb07eb315076783b26fc0f4f7a5ac80
SHA256

b24d279b0be9c4611fb55156c0e60a4f8326210d871870c4e4331150904d4241
SHA512

3544b6d24f31a1ff7bfef5f82844e558176824aa3abe90a5304caf9d2261d5769eea104725356181e34b270b9104f47d9a650c121c856f3a6705fe9cdee17f5e
SSDEEP

3072:eiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoMlzoxss7:eiLVCIT4WK2z1W+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/2532-0-0x0000000074B50000-0x0000000074B7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2532	WerFault.exe	31

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 2748 wrote to memory of 2532	2748	rundll32.exe	31
PID 2748 wrote to memory of 2532	2748	rundll32.exe	31
PID 2748 wrote to memory of 2532	2748	rundll32.exe	31
PID 2748 wrote to memory of 2532	2748	rundll32.exe	31
PID 2748 wrote to memory of 2532	2748	rundll32.exe	31
PID 2748 wrote to memory of 2532	2748	rundll32.exe	31
PID 2748 wrote to memory of 2532	2748	rundll32.exe	31
PID 2532 wrote to memory of 2756	2532	rundll32.exe	32
PID 2532 wrote to memory of 2756	2532	rundll32.exe	32
PID 2532 wrote to memory of 2756	2532	rundll32.exe	32
PID 2532 wrote to memory of 2756	2532	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b24d279b0be9c4611fb55156c0e60a4f8326210d871870c4e4331150904d4241.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b24d279b0be9c4611fb55156c0e60a4f8326210d871870c4e4331150904d4241.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -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/2532-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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memory/2532-0-0x0000000074B50000-0x0000000074B7F000-memory.dmp

Filesize
188KB

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