dridex | bb31444b4993685128b699cf9faa9fea28f5dd313a32d6b6a23279951ddfa1c2

Analysis

max time kernel
140s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 02:10

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General

Target

bb31444b4993685128b699cf9faa9fea28f5dd313a32d6b6a23279951ddfa1c2.dll
Size

179KB
MD5

70bcb7daa6a534dc2e5c018c11866659
SHA1

98bc42307e9a5229521a8df9f8fdbe689a9c79fc
SHA256

bb31444b4993685128b699cf9faa9fea28f5dd313a32d6b6a23279951ddfa1c2
SHA512

32b385cc9052e8effbfb8eaa701a963b5a88454d70c2835cc2c91d8b69accd2fead7db2100b8309ed040bdf570c660a4b3ed0d9bd07def0f0671faef9e724b49
SSDEEP

3072:WuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJw:KzWxkOP4p2EesvcDi6DOHPJn

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/2396-1-0x0000000074640000-0x0000000074671000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3000	2396	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 2540 wrote to memory of 2396	2540	rundll32.exe	30
PID 2540 wrote to memory of 2396	2540	rundll32.exe	30
PID 2540 wrote to memory of 2396	2540	rundll32.exe	30
PID 2540 wrote to memory of 2396	2540	rundll32.exe	30
PID 2540 wrote to memory of 2396	2540	rundll32.exe	30
PID 2540 wrote to memory of 2396	2540	rundll32.exe	30
PID 2540 wrote to memory of 2396	2540	rundll32.exe	30
PID 2396 wrote to memory of 3000	2396	rundll32.exe	32
PID 2396 wrote to memory of 3000	2396	rundll32.exe	32
PID 2396 wrote to memory of 3000	2396	rundll32.exe	32
PID 2396 wrote to memory of 3000	2396	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb31444b4993685128b699cf9faa9fea28f5dd313a32d6b6a23279951ddfa1c2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb31444b4993685128b699cf9faa9fea28f5dd313a32d6b6a23279951ddfa1c2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 224
    3⤵
    - Program crash
    PID:3000

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/2396-0-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2396-1-0x0000000074640000-0x0000000074671000-memory.dmp

Filesize
196KB

Download
memory/2396-3-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download