dridex | bc7b1c5654e7afdb23811fbf377af3c8d7e8dcd3e255c0fc6127e15ea4fa39fa

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:06

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General

Target

JaffaCakes118_bc7b1c5654e7afdb23811fbf377af3c8d7e8dcd3e255c0fc6127e15ea4fa39fa.dll
Size

188KB
MD5

c267406ffe4d75a8b03cd594f4ba4c38
SHA1

a1810b44074a16d7657bfbe0c68fab4073959950
SHA256

bc7b1c5654e7afdb23811fbf377af3c8d7e8dcd3e255c0fc6127e15ea4fa39fa
SHA512

1236cbc13933d3d08c9cd7c720386ae979168e9da1436215060ff1363394f3aa8ad635a175a10625f5ca54fdb7fcd35cae1e07466cb192a3d5d860b1d878f138
SSDEEP

3072:fA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoio:fzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/2348-1-0x0000000074520000-0x0000000074550000-memory.dmp	dridex_ldr
behavioral1/memory/2348-2-0x0000000074520000-0x0000000074550000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2468	2348	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 1488 wrote to memory of 2348	1488	rundll32.exe	31
PID 1488 wrote to memory of 2348	1488	rundll32.exe	31
PID 1488 wrote to memory of 2348	1488	rundll32.exe	31
PID 1488 wrote to memory of 2348	1488	rundll32.exe	31
PID 1488 wrote to memory of 2348	1488	rundll32.exe	31
PID 1488 wrote to memory of 2348	1488	rundll32.exe	31
PID 1488 wrote to memory of 2348	1488	rundll32.exe	31
PID 2348 wrote to memory of 2468	2348	rundll32.exe	32
PID 2348 wrote to memory of 2468	2348	rundll32.exe	32
PID 2348 wrote to memory of 2468	2348	rundll32.exe	32
PID 2348 wrote to memory of 2468	2348	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc7b1c5654e7afdb23811fbf377af3c8d7e8dcd3e255c0fc6127e15ea4fa39fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc7b1c5654e7afdb23811fbf377af3c8d7e8dcd3e255c0fc6127e15ea4fa39fa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 300
    3⤵
    - Program crash
    PID:2468

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/2348-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2348-1-0x0000000074520000-0x0000000074550000-memory.dmp

Filesize
192KB

Download
memory/2348-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2348-2-0x0000000074520000-0x0000000074550000-memory.dmp

Filesize
192KB

Download