dridex | 5ed7ff55cc5fd11a4ac5a823ff7cebb7e252e0a8d37dc1a1715d4098af9aeedc

Analysis

max time kernel
149s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 16:04

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General

Target

bc6a7f50f96beb004bcf9c6174e93bbd_JaffaCakes118.dll
Size

1.2MB
MD5

bc6a7f50f96beb004bcf9c6174e93bbd
SHA1

938e569330ff878fcbd597dc60106be24764991b
SHA256

5ed7ff55cc5fd11a4ac5a823ff7cebb7e252e0a8d37dc1a1715d4098af9aeedc
SHA512

b8c02c3651cb233c51420bf357c41fd243582b75fa8223d92fbeeebeb3117bdbd507a93e9349f94c33502dd5f531a4281c6cbceff3bf5fcdc15894fbe23ca8b1
SSDEEP

24576:ouYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:Y9cKrUqZWLAcU

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/3484-4-0x0000000002D60000-0x0000000002D61000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

FXSCOVER.exeCameraSettingsUIHost.exewextract.exe

pid	Process
4044	FXSCOVER.exe
976	CameraSettingsUIHost.exe
4556	wextract.exe

Loads dropped DLL 3 IoCs

Processes:

FXSCOVER.exeCameraSettingsUIHost.exewextract.exe

pid	Process
4044	FXSCOVER.exe
976	CameraSettingsUIHost.exe
4556	wextract.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zsovh = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Themes\\CachedFiles\\kCihaTnh\\CameraSettingsUIHost.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

CameraSettingsUIHost.exewextract.exerundll32.exeFXSCOVER.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	CameraSettingsUIHost.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	wextract.exe
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	FXSCOVER.exe

Modifies registry class 2 IoCs

Processes:

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
1376	rundll32.exe
1376	rundll32.exe
1376	rundll32.exe
1376	rundll32.exe
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484
3484

Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid	Process
3484

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	procid_target
PID 3484 wrote to memory of 1176	3484	95
PID 3484 wrote to memory of 1176	3484	95
PID 3484 wrote to memory of 4044	3484	96
PID 3484 wrote to memory of 4044	3484	96
PID 3484 wrote to memory of 4328	3484	97
PID 3484 wrote to memory of 4328	3484	97
PID 3484 wrote to memory of 976	3484	98
PID 3484 wrote to memory of 976	3484	98
PID 3484 wrote to memory of 4204	3484	99
PID 3484 wrote to memory of 4204	3484	99
PID 3484 wrote to memory of 4556	3484	100
PID 3484 wrote to memory of 4556	3484	100

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\bc6a7f50f96beb004bcf9c6174e93bbd_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1376

C:\Windows\system32\FXSCOVER.exe
C:\Windows\system32\FXSCOVER.exe
1⤵
PID:1176

C:\Users\Admin\AppData\Local\1eZZG3D\FXSCOVER.exe
C:\Users\Admin\AppData\Local\1eZZG3D\FXSCOVER.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4044

C:\Windows\system32\CameraSettingsUIHost.exe
C:\Windows\system32\CameraSettingsUIHost.exe
1⤵
PID:4328

C:\Users\Admin\AppData\Local\yu0PwcRNk\CameraSettingsUIHost.exe
C:\Users\Admin\AppData\Local\yu0PwcRNk\CameraSettingsUIHost.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:976

C:\Windows\system32\wextract.exe
C:\Windows\system32\wextract.exe
1⤵
PID:4204

C:\Users\Admin\AppData\Local\fwFrd6LfE\wextract.exe
C:\Users\Admin\AppData\Local\fwFrd6LfE\wextract.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4556

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\1eZZG3D\FXSCOVER.exe

Filesize
242KB

MD5
5769f78d00f22f76a4193dc720d0b2bd

SHA1
d62b6cab057e88737cba43fe9b0c6d11a28b53e8

SHA256
40e8e6dabfa1485b11cdccf220eb86eeaa8256e99e344cf2b2098d4cdb788a31

SHA512
b4b3448a2635b21690c71254d964832e89bf947f7a0d32e79dcc84730f11d4afb4149a810a768878e52f88fc8baec45f1a2fec8e22c5301e9f39fe4fc6a57e3f

Download Submit
C:\Users\Admin\AppData\Local\1eZZG3D\MFC42u.dll

Filesize
1.2MB

MD5
febf113fb88c26da98ec27caea7f2e40

SHA1
763178bf0f1ca6a89a48e92f9e03fa610009ce40

SHA256
a10c4b726d899c2e695704318de8a3896e5e4b968c75e991ff07ef60eacfb6d7

SHA512
4a5e8df94d62372a1a6aedc6e9e39cba335db2053c0f723f8272d7d5bfbee741af2ba389eb4cb75ac3bdeed59e15f30d1178057a400a5a06bda0eb5c76ba4a49

Download Submit
C:\Users\Admin\AppData\Local\fwFrd6LfE\VERSION.dll

Filesize
1.2MB

MD5
4f7ff358f7ca36ae0fa19fd313f9a09b

SHA1
87fb7eb16377a777064dc6e425409bfc37eac046

SHA256
f4e21aee2258204404f2c6ffc3f8823a999df85c1038d71bac1d022710aad827

SHA512
50f28d43e51b1dc8fc1b04d602310b37a362cb14697eaa8b263805dedbb64cdf8aa22f9515aff50ff029f44910d71b72e783f8566faa9e131abdf7482df81bca

Download Submit
C:\Users\Admin\AppData\Local\fwFrd6LfE\wextract.exe

Filesize
143KB

MD5
56e501e3e49cfde55eb1caabe6913e45

SHA1
ab2399cbf17dbee7b302bea49e40d4cee7caea76

SHA256
fbb6dc62abeeb222b49a63f43dc6eea96f3d7e9a8da55381c15d57a5d099f3e0

SHA512
2b536e86cbd8ab026529ba2c72c0fda97e9b6f0bc4fd96777024155852670cb41d17937cde372a44cdbad3e53b8cd3ef1a4a3ee9b34dfb3c2069822095f7a172

Download Submit
C:\Users\Admin\AppData\Local\yu0PwcRNk\CameraSettingsUIHost.exe

Filesize
31KB

MD5
9e98636523a653c7a648f37be229cf69

SHA1
bd4da030e7cf4d55b7c644dfacd26b152e6a14c4

SHA256
3bf20bc5a208dfa1ea26a042fd0010b1268dcfedc94ed775f11890bc1d95e717

SHA512
41966166e2ddfe40e6f4e6da26bc490775caac9997465c6dd94ba6a664d3a797ffc2aa5684c95702e8657e5cea62a46a75aee3e7d5e07a47dcaaa5c4da565e78

Download Submit
C:\Users\Admin\AppData\Local\yu0PwcRNk\DUI70.dll

Filesize
1.4MB

MD5
cece3428f0d087437a20fc45649f62e5

SHA1
a35b3a55c51a1dae6054f22f9dacc00318580aaa

SHA256
01831eadaa157e44d3a84f6f50826980066530c5ee5c8853544af7a59c80200f

SHA512
e249c4d545601d00ab7907cd73e9fe154b296e51aea41e03e7e2b0c47d744b90cf9db12ee6601faf075350478e7f11fdd9e4574c6110c66f1127641c7768c69b

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

Filesize
1KB

MD5
6c1022f4ad92046682012a748ddd7cc0

SHA1
214e28ba73553280ae147ea176ccdc77774e77ef

SHA256
6ac6a07baec2b35c3a3e4a6f596c1199925702acc77905c765669faef981c9f6

SHA512
e89c98d07dcc5600adbdc80f56bf4a82004638dbeb0c1c7a429d37932e116ab3b6dd65edcd0e30b8af33b97614ce0d8fcf0c91a66ddeebceecaf4a1e6f29f7a5

Download Submit
memory/976-63-0x00007FFB48360000-0x00007FFB484D7000-memory.dmp

Filesize
1.5MB

Download
memory/976-66-0x000001D49D190000-0x000001D49D197000-memory.dmp

Filesize
28KB

Download
memory/976-69-0x00007FFB48360000-0x00007FFB484D7000-memory.dmp

Filesize
1.5MB

Download
memory/1376-0-0x00007FFB57810000-0x00007FFB57941000-memory.dmp

Filesize
1.2MB

Download
memory/1376-39-0x00007FFB57810000-0x00007FFB57941000-memory.dmp

Filesize
1.2MB

Download
memory/1376-3-0x000001E7F3B80000-0x000001E7F3B87000-memory.dmp

Filesize
28KB

Download
memory/3484-28-0x0000000001160000-0x0000000001167000-memory.dmp

Filesize
28KB

Download
memory/3484-14-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-11-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-10-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-9-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-8-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-13-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-15-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-16-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-6-0x00007FFB65BEA000-0x00007FFB65BEB000-memory.dmp

Filesize
4KB

Download
memory/3484-4-0x0000000002D60000-0x0000000002D61000-memory.dmp

Filesize
4KB

Download
memory/3484-7-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-17-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-29-0x00007FFB65D30000-0x00007FFB65D40000-memory.dmp

Filesize
64KB

Download
memory/3484-36-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-25-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3484-12-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/4044-52-0x00007FFB483A0000-0x00007FFB484D8000-memory.dmp

Filesize
1.2MB

Download
memory/4044-47-0x00007FFB483A0000-0x00007FFB484D8000-memory.dmp

Filesize
1.2MB

Download
memory/4044-46-0x000002F3F0590000-0x000002F3F0597000-memory.dmp

Filesize
28KB

Download
memory/4556-80-0x00007FFB483A0000-0x00007FFB484D2000-memory.dmp

Filesize
1.2MB

Download
memory/4556-83-0x000001B9E1A60000-0x000001B9E1A67000-memory.dmp

Filesize
28KB

Download
memory/4556-86-0x00007FFB483A0000-0x00007FFB484D2000-memory.dmp

Filesize
1.2MB

Download