dridex | 5035e7ebaffa6f442a7f4bd4de276cf2c15ebe572140b6cda89e5406376615a9

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:18

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General

Target

JaffaCakes118_5035e7ebaffa6f442a7f4bd4de276cf2c15ebe572140b6cda89e5406376615a9.dll
Size

161KB
MD5

55bbf4a392885f6aa47a37ff182e6a6d
SHA1

3fbf522e3b79b985f4ff33fa26d8c73fa84afca1
SHA256

5035e7ebaffa6f442a7f4bd4de276cf2c15ebe572140b6cda89e5406376615a9
SHA512

461f6246f6ee935ee32c9d2ee571338b5f3126c425ceb35756e49ab643313f0fbb789829bd6e3c10af9f00cb156e97a3bd08306111371678199878b714065160
SSDEEP

3072:ZQ45bscWrhftr4SOX63M5jY17lh9sDVj9a/KBz9YlYU:S4KcMhVkbK3hDq9E8i

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.55.134.126:443

67.207.83.96:8172

193.160.214.95:4125

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/2652-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2652-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2976	2652	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 2296 wrote to memory of 2652	2296	rundll32.exe	30
PID 2296 wrote to memory of 2652	2296	rundll32.exe	30
PID 2296 wrote to memory of 2652	2296	rundll32.exe	30
PID 2296 wrote to memory of 2652	2296	rundll32.exe	30
PID 2296 wrote to memory of 2652	2296	rundll32.exe	30
PID 2296 wrote to memory of 2652	2296	rundll32.exe	30
PID 2296 wrote to memory of 2652	2296	rundll32.exe	30
PID 2652 wrote to memory of 2976	2652	rundll32.exe	31
PID 2652 wrote to memory of 2976	2652	rundll32.exe	31
PID 2652 wrote to memory of 2976	2652	rundll32.exe	31
PID 2652 wrote to memory of 2976	2652	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5035e7ebaffa6f442a7f4bd4de276cf2c15ebe572140b6cda89e5406376615a9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5035e7ebaffa6f442a7f4bd4de276cf2c15ebe572140b6cda89e5406376615a9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 256
    3⤵
    - Program crash
    PID:2976

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/2652-0-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2652-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2652-3-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2652-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download