dridex | b2f647c13f7379c261dc4f36f222a4c105e9f89cade22e3fe5ff368d11602479

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:50

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General

Target

JaffaCakes118_b2f647c13f7379c261dc4f36f222a4c105e9f89cade22e3fe5ff368d11602479.dll
Size

184KB
MD5

ca00db5caa9c6bae9f4ac19b4501bc24
SHA1

d192e63dc5333d285bac43346dfc9b95dcd4c9af
SHA256

b2f647c13f7379c261dc4f36f222a4c105e9f89cade22e3fe5ff368d11602479
SHA512

f25e2a733c6058e7f351c9f62bf0c3b56a382db92e99d679cb95a0aea7a222085214b78e6e59143dd253f2d73bae6f0d1309d63365e67e6464127282e4d1d5d5
SSDEEP

3072:mJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J+a//2uFrSc:PfYOX+wTScR/Xzku9LVw5uG

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/2268-1-0x0000000074E40000-0x0000000074E6F000-memory.dmp	dridex_ldr
behavioral1/memory/2268-2-0x0000000074E40000-0x0000000074E6F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2412	2268	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 2728 wrote to memory of 2268	2728	rundll32.exe	31
PID 2728 wrote to memory of 2268	2728	rundll32.exe	31
PID 2728 wrote to memory of 2268	2728	rundll32.exe	31
PID 2728 wrote to memory of 2268	2728	rundll32.exe	31
PID 2728 wrote to memory of 2268	2728	rundll32.exe	31
PID 2728 wrote to memory of 2268	2728	rundll32.exe	31
PID 2728 wrote to memory of 2268	2728	rundll32.exe	31
PID 2268 wrote to memory of 2412	2268	rundll32.exe	32
PID 2268 wrote to memory of 2412	2268	rundll32.exe	32
PID 2268 wrote to memory of 2412	2268	rundll32.exe	32
PID 2268 wrote to memory of 2412	2268	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2f647c13f7379c261dc4f36f222a4c105e9f89cade22e3fe5ff368d11602479.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2f647c13f7379c261dc4f36f222a4c105e9f89cade22e3fe5ff368d11602479.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 220
    3⤵
    - Program crash
    PID:2412

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/2268-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2268-1-0x0000000074E40000-0x0000000074E6F000-memory.dmp

Filesize
188KB

Download
memory/2268-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2268-2-0x0000000074E40000-0x0000000074E6F000-memory.dmp

Filesize
188KB

Download