dridex | d92b789235b148f705c8ec976ec93655c4b84b452b643e6d090079bcbeff90f0

Analysis

max time kernel
114s
max time network
121s
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 17:41

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General

Target

5cb5e74d0443c75300a85955590e52a0N.dll
Size

184KB
MD5

5cb5e74d0443c75300a85955590e52a0
SHA1

2d640a69f09373a3bbf3b78e29fd7f0a82ea5428
SHA256

d92b789235b148f705c8ec976ec93655c4b84b452b643e6d090079bcbeff90f0
SHA512

d099d502f5810cf1a3f20e64834d9f9d31e6f736b5e6e35867498fa9e9dbbd84f7ed6dced1b5675b24b308cc913c4d58a5c4c2f373ef1175ea5dfc67519d06a4
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTkrLA:09NSMOEpQ1Q3ODAr+Vw

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

Processes:

resource	yara_rule
behavioral2/memory/3680-1-0x00000000749C0000-0x00000000749EF000-memory.dmp	dridex_ldr
behavioral2/memory/3680-2-0x00000000749C0000-0x00000000749EF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4292	3680	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 2124 wrote to memory of 3680	2124	rundll32.exe	91
PID 2124 wrote to memory of 3680	2124	rundll32.exe	91
PID 2124 wrote to memory of 3680	2124	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cb5e74d0443c75300a85955590e52a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cb5e74d0443c75300a85955590e52a0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 616
    3⤵
    - Program crash
    PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3680 -ip 3680
1⤵
PID:3004

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=4304,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4140 /prefetch:8
1⤵
PID:916

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/3680-0-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3680-1-0x00000000749C0000-0x00000000749EF000-memory.dmp

Filesize
188KB

Download
memory/3680-2-0x00000000749C0000-0x00000000749EF000-memory.dmp

Filesize
188KB

Download
memory/3680-3-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download