dridex | ec817db1f28abf2bf22b31b974d40d83952e3093885eb92e780482917364023e

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 23:08

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General

Target

e327433524fcff26316780131386fec0N.dll
Size

184KB
MD5

e327433524fcff26316780131386fec0
SHA1

f7d1173bbcfc2001234a914759cf1b844f4b09de
SHA256

ec817db1f28abf2bf22b31b974d40d83952e3093885eb92e780482917364023e
SHA512

9fae5b9cd3322f3827a79a07b13b9d409837ebe80e693f35a99668f355bb9543b513146ceaa77bc793cbb32fc79a07440a0e1a9a8ec5d2f040f2646ac700bb25
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoalzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaowoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2688-1-0x0000000075150000-0x000000007517F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1724	2688	WerFault.exe	31

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 304 wrote to memory of 2688	304	rundll32.exe	31
PID 304 wrote to memory of 2688	304	rundll32.exe	31
PID 304 wrote to memory of 2688	304	rundll32.exe	31
PID 304 wrote to memory of 2688	304	rundll32.exe	31
PID 304 wrote to memory of 2688	304	rundll32.exe	31
PID 304 wrote to memory of 2688	304	rundll32.exe	31
PID 304 wrote to memory of 2688	304	rundll32.exe	31
PID 2688 wrote to memory of 1724	2688	rundll32.exe	32
PID 2688 wrote to memory of 1724	2688	rundll32.exe	32
PID 2688 wrote to memory of 1724	2688	rundll32.exe	32
PID 2688 wrote to memory of 1724	2688	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e327433524fcff26316780131386fec0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e327433524fcff26316780131386fec0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 220
    3⤵
    - Program crash
    PID:1724

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/2688-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2688-1-0x0000000075150000-0x000000007517F000-memory.dmp

Filesize
188KB

Download
memory/2688-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download