dridex | 2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449

Analysis

max time kernel
110s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 13:08

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General

Target

2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449N.dll
Size

184KB
MD5

d5716158d64dde82bfbebdc0a8f62500
SHA1

2082bcedb9c59a73d4fe5d7598a61c0d579388d0
SHA256

2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449
SHA512

db82ee92d81c2778477209f9c042262c58a339f60c2ea562c61e959b76a1d92b0150d948294a72b300b697c431c226aa1457ce75baada705d9b939b17bd4cee7
SSDEEP

3072:n92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTUrLA:n9NSMOEpQ1Q3ODAr+VA

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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

Processes:

resource	yara_rule
behavioral1/memory/2988-1-0x00000000746F0000-0x000000007471F000-memory.dmp	dridex_ldr
behavioral1/memory/2988-2-0x00000000746F0000-0x000000007471F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2916	2988	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 1592 wrote to memory of 2988	1592	rundll32.exe	30
PID 1592 wrote to memory of 2988	1592	rundll32.exe	30
PID 1592 wrote to memory of 2988	1592	rundll32.exe	30
PID 1592 wrote to memory of 2988	1592	rundll32.exe	30
PID 1592 wrote to memory of 2988	1592	rundll32.exe	30
PID 1592 wrote to memory of 2988	1592	rundll32.exe	30
PID 1592 wrote to memory of 2988	1592	rundll32.exe	30
PID 2988 wrote to memory of 2916	2988	rundll32.exe	31
PID 2988 wrote to memory of 2916	2988	rundll32.exe	31
PID 2988 wrote to memory of 2916	2988	rundll32.exe	31
PID 2988 wrote to memory of 2916	2988	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 224
    3⤵
    - Program crash
    PID:2916

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/2988-0-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x00000000746F0000-0x000000007471F000-memory.dmp

Filesize
188KB

Download
memory/2988-2-0x00000000746F0000-0x000000007471F000-memory.dmp

Filesize
188KB

Download
memory/2988-3-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download