dridex | aee49c8d42ff9827e93a9fa9758042de919a04890d453e2e8f57e48e44b4b0fd

Analysis

max time kernel
111s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 14:30

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General

Target

e8df0f3afc5287f34e74210396ae0280N.dll
Size

184KB
MD5

e8df0f3afc5287f34e74210396ae0280
SHA1

7b782a0f2474e2a8a6aba59577054fa4ff3dcc6a
SHA256

aee49c8d42ff9827e93a9fa9758042de919a04890d453e2e8f57e48e44b4b0fd
SHA512

4988732dc7f87bddcbe8555f08b277bb05d568c4fcf2b50db461e903d84c6385e1f8d8a6f685e6718da645213e28e79d675d670159ed0901389817548221d7f2
SSDEEP

3072:WuwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4KNlmsb:o7TXYsd9SkONU1jKGlSlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2628-0-0x0000000075170000-0x00000000751A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2380	2628	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 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2628 wrote to memory of 2380	2628	rundll32.exe	31
PID 2628 wrote to memory of 2380	2628	rundll32.exe	31
PID 2628 wrote to memory of 2380	2628	rundll32.exe	31
PID 2628 wrote to memory of 2380	2628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8df0f3afc5287f34e74210396ae0280N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8df0f3afc5287f34e74210396ae0280N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 220
    3⤵
    - Program crash
    PID:2380

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/2628-0-0x0000000075170000-0x00000000751A0000-memory.dmp

Filesize
192KB

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memory/2628-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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