dridex | 25dd921bb4cc5e12cce11e0a188efa6dd103d079a1e91ee82e1c469d6618f9ae

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 22:12

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General

Target

JaffaCakes118_25dd921bb4cc5e12cce11e0a188efa6dd103d079a1e91ee82e1c469d6618f9ae.dll
Size

184KB
MD5

86b4d65933ebe2a1ba36e6d877a8d64d
SHA1

d859be61c7c7f7b6d69c16b2913841654cd90227
SHA256

25dd921bb4cc5e12cce11e0a188efa6dd103d079a1e91ee82e1c469d6618f9ae
SHA512

63c0d9b091a3cd677d615cd5a2eef6e412ce0a92d74a29ca0b798a4978c6867fb75f07a0fc71f3fb1c42abe3a2985b1ff855032371b741454170f746efbffe90
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J5a//2uFrSc:mfYOX+wTScR/Xzku9LVwSuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2016-1-0x0000000075350000-0x000000007537F000-memory.dmp	dridex_ldr
behavioral1/memory/2016-2-0x0000000075350000-0x000000007537F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
792	2016	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 2592 wrote to memory of 2016	2592	rundll32.exe	30
PID 2592 wrote to memory of 2016	2592	rundll32.exe	30
PID 2592 wrote to memory of 2016	2592	rundll32.exe	30
PID 2592 wrote to memory of 2016	2592	rundll32.exe	30
PID 2592 wrote to memory of 2016	2592	rundll32.exe	30
PID 2592 wrote to memory of 2016	2592	rundll32.exe	30
PID 2592 wrote to memory of 2016	2592	rundll32.exe	30
PID 2016 wrote to memory of 792	2016	rundll32.exe	32
PID 2016 wrote to memory of 792	2016	rundll32.exe	32
PID 2016 wrote to memory of 792	2016	rundll32.exe	32
PID 2016 wrote to memory of 792	2016	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25dd921bb4cc5e12cce11e0a188efa6dd103d079a1e91ee82e1c469d6618f9ae.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25dd921bb4cc5e12cce11e0a188efa6dd103d079a1e91ee82e1c469d6618f9ae.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 220
    3⤵
    - Program crash
    PID:792

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

Replay Monitor

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Downloads

memory/2016-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2016-1-0x0000000075350000-0x000000007537F000-memory.dmp

Filesize
188KB

Download
memory/2016-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2016-2-0x0000000075350000-0x000000007537F000-memory.dmp

Filesize
188KB

Download