dridex | 37c02bfc4f674de904294441590691163a5f1be1a46e811fcb1efcfdfefe237b

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 17:40

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General

Target

JaffaCakes118_37c02bfc4f674de904294441590691163a5f1be1a46e811fcb1efcfdfefe237b.dll
Size

184KB
MD5

0d6c063dc3f97f6a50bc230678a3bb7c
SHA1

4d8275fbc4b1f3a977dcd9c6921263dfcf61cd49
SHA256

37c02bfc4f674de904294441590691163a5f1be1a46e811fcb1efcfdfefe237b
SHA512

21571aaddd26c853908b5078382bc93d4f096f8776d82c5c6a6d9b1ebdd33fd7722773ca1cffa5f6949387e081d2bac0b777059db7bf2a2c3cfe3f25c5649fef
SSDEEP

3072:WJiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoclzoxss7:AiLVCIT4WK2z1W+CUHZj4Skq/eaoioC

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/2504-0-0x0000000074BC0000-0x0000000074BEF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2192	2504	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 2500 wrote to memory of 2504	2500	rundll32.exe	30
PID 2500 wrote to memory of 2504	2500	rundll32.exe	30
PID 2500 wrote to memory of 2504	2500	rundll32.exe	30
PID 2500 wrote to memory of 2504	2500	rundll32.exe	30
PID 2500 wrote to memory of 2504	2500	rundll32.exe	30
PID 2500 wrote to memory of 2504	2500	rundll32.exe	30
PID 2500 wrote to memory of 2504	2500	rundll32.exe	30
PID 2504 wrote to memory of 2192	2504	rundll32.exe	32
PID 2504 wrote to memory of 2192	2504	rundll32.exe	32
PID 2504 wrote to memory of 2192	2504	rundll32.exe	32
PID 2504 wrote to memory of 2192	2504	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37c02bfc4f674de904294441590691163a5f1be1a46e811fcb1efcfdfefe237b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37c02bfc4f674de904294441590691163a5f1be1a46e811fcb1efcfdfefe237b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 220
    3⤵
    - Program crash
    PID:2192

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/2504-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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memory/2504-0-0x0000000074BC0000-0x0000000074BEF000-memory.dmp

Filesize
188KB

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