dridex | 5526d4031a425b438fcc8a746b16f6c5c183fc6bc6f631aadf6c0377c26bf103

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 17:49

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General

Target

5526d4031a425b438fcc8a746b16f6c5c183fc6bc6f631aadf6c0377c26bf103.dll
Size

161KB
MD5

ae1ccc3670495bca9fefab24b44a27a2
SHA1

bb0c0e5f84983da50ac7d9cec1330abd8948c47a
SHA256

5526d4031a425b438fcc8a746b16f6c5c183fc6bc6f631aadf6c0377c26bf103
SHA512

57a7b0b0281af0f00c3fbce77f2095575d5a5f79a33bccf29d169658a9aff968ad7e76ac1f22e4d69acba718fddda95dceab86f703a338f807b9632199c8a2ef
SSDEEP

3072:C1Suywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2wGkFY:EnS62Fl+pkeJl3CvRStrFl+EYh

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2228-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2228-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2228	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 2468 wrote to memory of 2228	2468	rundll32.exe	30
PID 2468 wrote to memory of 2228	2468	rundll32.exe	30
PID 2468 wrote to memory of 2228	2468	rundll32.exe	30
PID 2468 wrote to memory of 2228	2468	rundll32.exe	30
PID 2468 wrote to memory of 2228	2468	rundll32.exe	30
PID 2468 wrote to memory of 2228	2468	rundll32.exe	30
PID 2468 wrote to memory of 2228	2468	rundll32.exe	30
PID 2228 wrote to memory of 2824	2228	rundll32.exe	31
PID 2228 wrote to memory of 2824	2228	rundll32.exe	31
PID 2228 wrote to memory of 2824	2228	rundll32.exe	31
PID 2228 wrote to memory of 2824	2228	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5526d4031a425b438fcc8a746b16f6c5c183fc6bc6f631aadf6c0377c26bf103.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5526d4031a425b438fcc8a746b16f6c5c183fc6bc6f631aadf6c0377c26bf103.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 256
    3⤵
    - Program crash
    PID:2824

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/2228-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2228-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2228-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2228-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download