dridex | b4ef52631bc1d0c6591d3a942458ec3ce932c8fa6755b25568a0cd95595288d5

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 04:41

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General

Target

885eb969becc93c091aac8d558a0d4e0N.dll
Size

665KB
MD5

885eb969becc93c091aac8d558a0d4e0
SHA1

199b5e14020b37ccd4e52cc139f3f68a95cf68c2
SHA256

b4ef52631bc1d0c6591d3a942458ec3ce932c8fa6755b25568a0cd95595288d5
SHA512

da9a51fca7eba009da8ff464ee8d4a11bc2f69bf7827769cc00bcfca1bb2d23e45d649f2b9033f3c811dc7cc597b045f34e9d105a2a731be4f38a4bb6a2d5fff
SSDEEP

12288:TSOP47es0e6yHPJfWqu4bx2zqTiZkWazdB:TBQes0e6yHak

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
behavioral2/memory/1488-1-0x00000000755C0000-0x00000000755F1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
452	1488	WerFault.exe	85

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 3 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1488	2468	rundll32.exe	85
PID 2468 wrote to memory of 1488	2468	rundll32.exe	85
PID 2468 wrote to memory of 1488	2468	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\885eb969becc93c091aac8d558a0d4e0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\885eb969becc93c091aac8d558a0d4e0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 636
    3⤵
    - Program crash
    PID:452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1488 -ip 1488
1⤵
PID:1524

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/1488-0-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1488-1-0x00000000755C0000-0x00000000755F1000-memory.dmp

Filesize
196KB

Download
memory/1488-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

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