dridex | a969bed6f7448696349028d766d421094510c7759828473a4a3dd8baf7fa37dd

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2024 12:01

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General

Target

7c53147993a66509bf7cc0e461f60b57_JaffaCakes118.dll
Size

1.2MB
MD5

7c53147993a66509bf7cc0e461f60b57
SHA1

333cbc00c5d645ddf2394199163d10dbeba29af5
SHA256

a969bed6f7448696349028d766d421094510c7759828473a4a3dd8baf7fa37dd
SHA512

fa9fe560b9afc4cb01f8e7d950ebc8325c4b18e81942a391b3b58c4d1f8bf52a46a5e42dc4939f3d0432eb3189a8342d59cf02139dbc3c3f7104ff891258dde1
SSDEEP

24576:WuYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:W9cKrUqZWLAcU

Score

10^/10

dridex botnet evasion payload persistence trojan

Malware Config

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Shellcode 1 IoCs

Detects Dridex Payload shellcode injected in Explorer process.

botnet payload

Processes:

resource	yara_rule
behavioral2/memory/2976-4-0x00000000025C0000-0x00000000025C1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

MusNotificationUx.exeWMPDMC.exemspaint.exe

pid	Process
4836	MusNotificationUx.exe
2584	WMPDMC.exe
2552	mspaint.exe

Loads dropped DLL 3 IoCs

Processes:

MusNotificationUx.exeWMPDMC.exemspaint.exe

pid	Process
4836	MusNotificationUx.exe
2584	WMPDMC.exe
2552	mspaint.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1266786182-1874524688-71015548-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zdgdcgkgx = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Windows\\PRINTE~1\\JR68OS~1\\WMPDMC.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exeMusNotificationUx.exeWMPDMC.exemspaint.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	MusNotificationUx.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	WMPDMC.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mspaint.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
1288	rundll32.exe
1288	rundll32.exe
1288	rundll32.exe
1288	rundll32.exe
2976
2976
2976
2976
2976
2976
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2976

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	procid_target
PID 2976 wrote to memory of 4464	2976	87
PID 2976 wrote to memory of 4464	2976	87
PID 2976 wrote to memory of 4836	2976	88
PID 2976 wrote to memory of 4836	2976	88
PID 2976 wrote to memory of 5048	2976	89
PID 2976 wrote to memory of 5048	2976	89
PID 2976 wrote to memory of 2584	2976	90
PID 2976 wrote to memory of 2584	2976	90
PID 2976 wrote to memory of 1316	2976	91
PID 2976 wrote to memory of 1316	2976	91
PID 2976 wrote to memory of 2552	2976	92
PID 2976 wrote to memory of 2552	2976	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c53147993a66509bf7cc0e461f60b57_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1288

C:\Windows\system32\MusNotificationUx.exe
C:\Windows\system32\MusNotificationUx.exe
1⤵
PID:4464

C:\Users\Admin\AppData\Local\HcsnFd\MusNotificationUx.exe
C:\Users\Admin\AppData\Local\HcsnFd\MusNotificationUx.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4836

C:\Windows\system32\WMPDMC.exe
C:\Windows\system32\WMPDMC.exe
1⤵
PID:5048

C:\Users\Admin\AppData\Local\wN4\WMPDMC.exe
C:\Users\Admin\AppData\Local\wN4\WMPDMC.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2584

C:\Windows\system32\mspaint.exe
C:\Windows\system32\mspaint.exe
1⤵
PID:1316

C:\Users\Admin\AppData\Local\i8f\mspaint.exe
C:\Users\Admin\AppData\Local\i8f\mspaint.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\HcsnFd\MusNotificationUx.exe

Filesize
615KB

MD5
869a214114a81712199f3de5d69d9aad

SHA1
be973e4188eff0d53fdf0e9360106e8ad946d89f

SHA256
405c2df9a36d7cfb5c8382c96f04792eb88c11a6cfa36b1d2ec3e0bec8d17361

SHA512
befcdeb8de6e68b9ee0bacd4cbc80f7393a0213d4039b239c98585e0cd5db1755c75559a62372374cbfb7132b6a7973ea9e6a31952e0e0ba007079c56e6d9012

Download Submit
C:\Users\Admin\AppData\Local\HcsnFd\XmlLite.dll

Filesize
1.2MB

MD5
7ec8c772ee0a2cc6b401f5739fe65950

SHA1
ad15830ba00ddbe93c8648aa8d9e265eff3fadb9

SHA256
b7fa358755cd9945cdebd2f3bc5a3002cb622b4971fbea990e40ca97da49b0ba

SHA512
37f243420921bc54f9c0b09a381485188ccdd2fd47fd58b5aca7df20865a48785fa5d0b4208152daf8377cf52e9c09c9e30e6c59fa1d56bb37ff6d00c9dc8dc8

Download Submit
C:\Users\Admin\AppData\Local\i8f\MFC42u.dll

Filesize
1.2MB

MD5
0ae51a0b9f267cb1687d6767a92f0187

SHA1
a2f328d38cebaf038aea661169e82aa6a2c8f485

SHA256
fa48fdc4f6a168a8bcd78f112c71fe6608a82a13ac68a3a9069c4f310aef2ff2

SHA512
81ff383830c9d62bdf79d7bbfba26a611cb6f144226c6fc964bce13915c8964a672f3dbbca1e2e1fd50276835c6cc658a3f9871e211b7fe7a252edca2154596a

Download Submit
C:\Users\Admin\AppData\Local\i8f\mspaint.exe

Filesize
965KB

MD5
f221a4ccafec690101c59f726c95b646

SHA1
2098e4b62eaab213cbee73ba40fe4f1b8901a782

SHA256
94aa32a2c9c1d2db78318d9c68262c2f834abe26b6e9a661700324b55fdd5709

SHA512
8e3f4e4f68565ef09f5e762d6bb41b160711bbacac9dfcbe33edea9885fd042e6ce9a248bfcc62f9cffdb8e6bbe1b04c89bd41fcd9a373a5c8bc7bbff96dceaf

Download Submit
C:\Users\Admin\AppData\Local\wN4\WMPDMC.exe

Filesize
1.5MB

MD5
59ce6e554da0a622febce19eb61c4d34

SHA1
176a4a410cb97b3d4361d2aea0edbf17e15d04c7

SHA256
c36eba7186f7367fe717595f3372a49503c9613893c2ab2eff38b625a50d04ba

SHA512
e9b0d310416b66e0055381391bb6b0c19ee26bbcf0e3bb9ea7d696d5851e6efbdd9bdeb250c74638b7d73b20528ea1dfb718e75ad5977aaad77aae36cc7b7e18

Download Submit
C:\Users\Admin\AppData\Local\wN4\dwmapi.dll

Filesize
1.2MB

MD5
01682768fbfbc918b0a110edb3959b89

SHA1
3f96bb4d39054f9f1df88ffc162e763c1e9b75df

SHA256
1b6908b01877989b7fb9b2cc258eb76b57b6308934be98e22e4d11a43dc75a43

SHA512
2b37d7d66a5973a8aa17ba55cb07eec563edef8bb0a39daecddc55f7e4e8427498d57870052ae3cf4e234b43c06206ee8b07e82a0ef768c8ea171ed23234e89e

Download Submit
C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ozpfed.lnk

Filesize
1KB

MD5
993c986d56f7856cd5868ac317a214de

SHA1
6b32f091ebd24fa3f96c5484c4c58c174a358235

SHA256
5f41d2d4e314a2b5b130d389b7e43432441baeb2d955e618ed9a70a23cc2550c

SHA512
8b3af6178c5f3235bb1b34c83d630558d59bfc160ab1df2ccad9558c4c63a82090d2d2b82e108929a8517ea67029d76c8ef2e65c87bfe08c7ff4b213eb2a5964

Download Submit
memory/1288-0-0x000001C73AC00000-0x000001C73AC07000-memory.dmp

Filesize
28KB

Download
memory/1288-2-0x00007FF8DADD0000-0x00007FF8DAF01000-memory.dmp

Filesize
1.2MB

Download
memory/1288-39-0x00007FF8DADD0000-0x00007FF8DAF01000-memory.dmp

Filesize
1.2MB

Download
memory/2552-81-0x00007FF8DADD0000-0x00007FF8DAF08000-memory.dmp

Filesize
1.2MB

Download
memory/2552-84-0x00007FF8DADD0000-0x00007FF8DAF08000-memory.dmp

Filesize
1.2MB

Download
memory/2584-69-0x00007FF8DADD0000-0x00007FF8DAF02000-memory.dmp

Filesize
1.2MB

Download
memory/2584-66-0x0000021A54E40000-0x0000021A54E47000-memory.dmp

Filesize
28KB

Download
memory/2976-7-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-28-0x00007FF8E910A000-0x00007FF8E910B000-memory.dmp

Filesize
4KB

Download
memory/2976-8-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-10-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-6-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-9-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-11-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-12-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-4-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/2976-13-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-14-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-15-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-24-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-16-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-31-0x00007FF8E94F0000-0x00007FF8E9500000-memory.dmp

Filesize
64KB

Download
memory/2976-36-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/2976-30-0x0000000000820000-0x0000000000827000-memory.dmp

Filesize
28KB

Download
memory/4836-52-0x00007FF8DADD0000-0x00007FF8DAF02000-memory.dmp

Filesize
1.2MB

Download
memory/4836-49-0x000001CB35770000-0x000001CB35777000-memory.dmp

Filesize
28KB

Download
memory/4836-46-0x00007FF8DADD0000-0x00007FF8DAF02000-memory.dmp

Filesize
1.2MB

Download