dridex | 818694060578bfd1f3bd0a1bd08675b19f7bffd76d0809dbf381662975a06687

Analysis

max time kernel
142s
max time network
135s
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 09:13

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General

Target

02a4b4a64fd4e80da5d9342e39b56d70N.dll
Size

184KB
MD5

02a4b4a64fd4e80da5d9342e39b56d70
SHA1

3171831e6448559720c528c440cad2ebfd831c52
SHA256

818694060578bfd1f3bd0a1bd08675b19f7bffd76d0809dbf381662975a06687
SHA512

a0ee1377747284613d9c5592b4a8fff3c5d4e238d4f9ef8c8e1d726d5c697c37026ce4dfd3036af7b4fd16876eb693e0518fbca4ed4ff85cc6d348fe762dd090
SSDEEP

3072:oJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J0a//2uFrSc:lfYOX+wTScR/Xzku9LVwbuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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

Processes:

resource	yara_rule
behavioral2/memory/4116-1-0x0000000074F60000-0x0000000074F8F000-memory.dmp	dridex_ldr
behavioral2/memory/4116-2-0x0000000074F60000-0x0000000074F8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
792	4116	WerFault.exe	91

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4556 wrote to memory of 4116	4556	rundll32.exe	91
PID 4556 wrote to memory of 4116	4556	rundll32.exe	91
PID 4556 wrote to memory of 4116	4556	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\02a4b4a64fd4e80da5d9342e39b56d70N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\02a4b4a64fd4e80da5d9342e39b56d70N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 616
    3⤵
    - Program crash
    PID:792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4116 -ip 4116
1⤵
PID:3504

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3808,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4500 /prefetch:8
1⤵
PID:932

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/4116-0-0x0000000001400000-0x0000000001406000-memory.dmp

Filesize
24KB

Download
memory/4116-1-0x0000000074F60000-0x0000000074F8F000-memory.dmp

Filesize
188KB

Download
memory/4116-2-0x0000000074F60000-0x0000000074F8F000-memory.dmp

Filesize
188KB

Download
memory/4116-3-0x0000000001400000-0x0000000001406000-memory.dmp

Filesize
24KB

Download