dridex | 3b2f50310c8aa8076d21d32ca164c5b987ec33b45b6ad0a903793e3364b519c9

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:19

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General

Target

JaffaCakes118_3b2f50310c8aa8076d21d32ca164c5b987ec33b45b6ad0a903793e3364b519c9.dll
Size

188KB
MD5

add7d6c91ebfb110dcea6dbfbfc251fa
SHA1

9d65eac25277a965d0964c6d1780cc5e963e7dc0
SHA256

3b2f50310c8aa8076d21d32ca164c5b987ec33b45b6ad0a903793e3364b519c9
SHA512

81e60c33d4e7f031e1e7fd0169b15ee85ba7608514fb04fd6ddb20c70587efb0a9467b8945d3a56f871ad5eb61abf0127c4b25f5d1faf17aff023ba30298657f
SSDEEP

3072:AA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoGo:AzIqATVfQeV2FZalKq6jtGJWuTmd

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2600-0-0x0000000074800000-0x0000000074830000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	2600	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 2600	2416	rundll32.exe	30
PID 2416 wrote to memory of 2600	2416	rundll32.exe	30
PID 2416 wrote to memory of 2600	2416	rundll32.exe	30
PID 2416 wrote to memory of 2600	2416	rundll32.exe	30
PID 2416 wrote to memory of 2600	2416	rundll32.exe	30
PID 2416 wrote to memory of 2600	2416	rundll32.exe	30
PID 2416 wrote to memory of 2600	2416	rundll32.exe	30
PID 2600 wrote to memory of 2392	2600	rundll32.exe	31
PID 2600 wrote to memory of 2392	2600	rundll32.exe	31
PID 2600 wrote to memory of 2392	2600	rundll32.exe	31
PID 2600 wrote to memory of 2392	2600	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b2f50310c8aa8076d21d32ca164c5b987ec33b45b6ad0a903793e3364b519c9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b2f50310c8aa8076d21d32ca164c5b987ec33b45b6ad0a903793e3364b519c9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 300
    3⤵
    - Program crash
    PID:2392

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/2600-2-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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memory/2600-0-0x0000000074800000-0x0000000074830000-memory.dmp

Filesize
192KB

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