dridex | f2d6303d7a40440909ec7313bd11876906a8be42c561ef0753990c395bce14eb

Analysis

max time kernel
107s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 19:03

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General

Target

f90bfa819bb11ee27bdf09a976347720N.dll
Size

184KB
MD5

f90bfa819bb11ee27bdf09a976347720
SHA1

996e8faf255e45efdfdd4cf39a754f0760a3adac
SHA256

f2d6303d7a40440909ec7313bd11876906a8be42c561ef0753990c395bce14eb
SHA512

a4ced9d99c89753ce3b1646b7a85535c4a0308c061f604e04d9ba41bc67637cf141651a23fcab2d06e0343211b97205742763eb362ab6aaede0349a40235d34c
SSDEEP

3072:C92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTKrLA:C9NSMOEpQ1Q3ODAr+Ve

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

resource	yara_rule
behavioral2/memory/2872-0-0x0000000074F80000-0x0000000074FAF000-memory.dmp	dridex_ldr
behavioral2/memory/2872-3-0x0000000074F80000-0x0000000074FAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4184	2872	WerFault.exe	84

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 376 wrote to memory of 2872	376	rundll32.exe	84
PID 376 wrote to memory of 2872	376	rundll32.exe	84
PID 376 wrote to memory of 2872	376	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f90bfa819bb11ee27bdf09a976347720N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:376
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f90bfa819bb11ee27bdf09a976347720N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 620
    3⤵
    - Program crash
    PID:4184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2872 -ip 2872
1⤵
PID:4928

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/2872-0-0x0000000074F80000-0x0000000074FAF000-memory.dmp

Filesize
188KB

Download
memory/2872-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2872-3-0x0000000074F80000-0x0000000074FAF000-memory.dmp

Filesize
188KB

Download