dridex | 3fd2378cbc342d69252166e65918826d2007d533b3f03a89f9298b7520ec6420

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/12/2024, 01:57

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General

Target

JaffaCakes118_3fd2378cbc342d69252166e65918826d2007d533b3f03a89f9298b7520ec6420.dll
Size

184KB
MD5

3b5be68df7c8fdb512fc919588d4081b
SHA1

525dd39a71326405b28bf8b7fdf8bd1910dfe6ff
SHA256

3fd2378cbc342d69252166e65918826d2007d533b3f03a89f9298b7520ec6420
SHA512

17a86d7737a836566c8aceb409d5d807f4ec64d1ef1a7f91fb669a39110d20868d4bf2dee112df47915d2075646687c6658f9863dc89dce9b989e2940f830a4c
SSDEEP

3072:biLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoQlzoxss7:biLVCIT4WK2z1W+CUHZj4Skq/eaouoC

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/2328-1-0x0000000074EA0000-0x0000000074ECF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2084	2328	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 2416 wrote to memory of 2328	2416	rundll32.exe	30
PID 2416 wrote to memory of 2328	2416	rundll32.exe	30
PID 2416 wrote to memory of 2328	2416	rundll32.exe	30
PID 2416 wrote to memory of 2328	2416	rundll32.exe	30
PID 2416 wrote to memory of 2328	2416	rundll32.exe	30
PID 2416 wrote to memory of 2328	2416	rundll32.exe	30
PID 2416 wrote to memory of 2328	2416	rundll32.exe	30
PID 2328 wrote to memory of 2084	2328	rundll32.exe	32
PID 2328 wrote to memory of 2084	2328	rundll32.exe	32
PID 2328 wrote to memory of 2084	2328	rundll32.exe	32
PID 2328 wrote to memory of 2084	2328	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3fd2378cbc342d69252166e65918826d2007d533b3f03a89f9298b7520ec6420.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3fd2378cbc342d69252166e65918826d2007d533b3f03a89f9298b7520ec6420.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 220
    3⤵
    - Program crash
    PID:2084

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/2328-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2328-1-0x0000000074EA0000-0x0000000074ECF000-memory.dmp

Filesize
188KB

Download
memory/2328-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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