dridex | 24f055c11f0476f1c464a852520f4b21db3f1e3fb33b60978d402b0fd22f1995

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 19:08

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General

Target

24f055c11f0476f1c464a852520f4b21db3f1e3fb33b60978d402b0fd22f1995.dll
Size

184KB
MD5

85b49df141455773289535d97cb6b785
SHA1

041d4c13252397fb5a62f2608235a107be7f40e0
SHA256

24f055c11f0476f1c464a852520f4b21db3f1e3fb33b60978d402b0fd22f1995
SHA512

c6748f08be03d306698af945283bcf4b31fd739c2004fb3d9da3a814429828d07ff93ace1014eaba6ed3ca4514f9c3d18077d4656c140316f701165a3643ff99
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J8a//2uFrSc:mfYOX+wTScR/Xzku9LVwbuG

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2760-0-0x0000000074D00000-0x0000000074D2F000-memory.dmp	dridex_ldr
behavioral1/memory/2760-2-0x0000000074D00000-0x0000000074D2F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2760	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 2632 wrote to memory of 2760	2632	rundll32.exe	31
PID 2632 wrote to memory of 2760	2632	rundll32.exe	31
PID 2632 wrote to memory of 2760	2632	rundll32.exe	31
PID 2632 wrote to memory of 2760	2632	rundll32.exe	31
PID 2632 wrote to memory of 2760	2632	rundll32.exe	31
PID 2632 wrote to memory of 2760	2632	rundll32.exe	31
PID 2632 wrote to memory of 2760	2632	rundll32.exe	31
PID 2760 wrote to memory of 2756	2760	rundll32.exe	32
PID 2760 wrote to memory of 2756	2760	rundll32.exe	32
PID 2760 wrote to memory of 2756	2760	rundll32.exe	32
PID 2760 wrote to memory of 2756	2760	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24f055c11f0476f1c464a852520f4b21db3f1e3fb33b60978d402b0fd22f1995.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\24f055c11f0476f1c464a852520f4b21db3f1e3fb33b60978d402b0fd22f1995.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 220
    3⤵
    - Program crash
    PID:2756

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/2760-0-0x0000000074D00000-0x0000000074D2F000-memory.dmp

Filesize
188KB

Download
memory/2760-1-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2760-2-0x0000000074D00000-0x0000000074D2F000-memory.dmp

Filesize
188KB

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