dridex | 4f3ecb07d05921f5e238e5cd476fa0906c867a7d67ec322b2f7bf886790a5d76

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 20:02

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General

Target

JaffaCakes118_4f3ecb07d05921f5e238e5cd476fa0906c867a7d67ec322b2f7bf886790a5d76.dll
Size

184KB
MD5

8ae553d4154918ecb6ac385b81e2478d
SHA1

9bc9432685e6e1ddce04c1187cc3645b8286bc0f
SHA256

4f3ecb07d05921f5e238e5cd476fa0906c867a7d67ec322b2f7bf886790a5d76
SHA512

5d266d90868b5156bba2351026cd39f461c68b16c06bebf62e135411d00e6bc73f95062d98ddea8629676df8eafabf41efb60311614a0d330a0279b6941658f9
SSDEEP

3072:qiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoblzoxss7:qiLVCIT4WK2z1W+CUHZj4Skq/eaohoC

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/2300-1-0x0000000074C90000-0x0000000074CBF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1940	2300	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 1984 wrote to memory of 2300	1984	rundll32.exe	31
PID 1984 wrote to memory of 2300	1984	rundll32.exe	31
PID 1984 wrote to memory of 2300	1984	rundll32.exe	31
PID 1984 wrote to memory of 2300	1984	rundll32.exe	31
PID 1984 wrote to memory of 2300	1984	rundll32.exe	31
PID 1984 wrote to memory of 2300	1984	rundll32.exe	31
PID 1984 wrote to memory of 2300	1984	rundll32.exe	31
PID 2300 wrote to memory of 1940	2300	rundll32.exe	32
PID 2300 wrote to memory of 1940	2300	rundll32.exe	32
PID 2300 wrote to memory of 1940	2300	rundll32.exe	32
PID 2300 wrote to memory of 1940	2300	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f3ecb07d05921f5e238e5cd476fa0906c867a7d67ec322b2f7bf886790a5d76.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f3ecb07d05921f5e238e5cd476fa0906c867a7d67ec322b2f7bf886790a5d76.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 220
    3⤵
    - Program crash
    PID:1940

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/2300-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2300-1-0x0000000074C90000-0x0000000074CBF000-memory.dmp

Filesize
188KB

Download
memory/2300-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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