dridex | a427f1fcc62da3c5c9103455e7920fd5c8a6d801188c4bd55f0bf9fd1a5c3540

Analysis

max time kernel
24s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:30

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General

Target

JaffaCakes118_a427f1fcc62da3c5c9103455e7920fd5c8a6d801188c4bd55f0bf9fd1a5c3540.dll
Size

184KB
MD5

ab2779b0e550a3e985e48aa12ba0b1b1
SHA1

6a108ff53e57a74c89649da049cb1c302f8ff5f6
SHA256

a427f1fcc62da3c5c9103455e7920fd5c8a6d801188c4bd55f0bf9fd1a5c3540
SHA512

1d19f2fba35f531653a003db9995aa8f594deaa26be615086ac3d64920e734ff2672125a22323bfabbc3a23ed6ed2ea4ed8dac6910f409ed055aa5abc021d422
SSDEEP

3072:AiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaowlzoxss7:AiLVCIT4WK2z1W+CUHZj4Skq/eaoOoC

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/2604-1-0x0000000075540000-0x000000007556F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2256	2604	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 2580 wrote to memory of 2604	2580	rundll32.exe	29
PID 2580 wrote to memory of 2604	2580	rundll32.exe	29
PID 2580 wrote to memory of 2604	2580	rundll32.exe	29
PID 2580 wrote to memory of 2604	2580	rundll32.exe	29
PID 2580 wrote to memory of 2604	2580	rundll32.exe	29
PID 2580 wrote to memory of 2604	2580	rundll32.exe	29
PID 2580 wrote to memory of 2604	2580	rundll32.exe	29
PID 2604 wrote to memory of 2256	2604	rundll32.exe	30
PID 2604 wrote to memory of 2256	2604	rundll32.exe	30
PID 2604 wrote to memory of 2256	2604	rundll32.exe	30
PID 2604 wrote to memory of 2256	2604	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a427f1fcc62da3c5c9103455e7920fd5c8a6d801188c4bd55f0bf9fd1a5c3540.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a427f1fcc62da3c5c9103455e7920fd5c8a6d801188c4bd55f0bf9fd1a5c3540.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 224
    3⤵
    - Program crash
    PID:2256

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/2604-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2604-1-0x0000000075540000-0x000000007556F000-memory.dmp

Filesize
188KB

Download
memory/2604-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download