dridex | 9fd6fe428a4723bc8b7e93fdec36e2740ec2973c80ac7e4b4ef29ac12f3fe1f1

Analysis

max time kernel
149s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 22:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

97da975cf879ff9210ee322317dc6f66_JaffaCakes118.dll
Size

1.2MB
MD5

97da975cf879ff9210ee322317dc6f66
SHA1

6c77c4d5ad998f662900f663f4087ddc7179730a
SHA256

9fd6fe428a4723bc8b7e93fdec36e2740ec2973c80ac7e4b4ef29ac12f3fe1f1
SHA512

3f9a7edf37144094c5bf0ef12e4a00a53a8cca689c4da886a15870c1fd6572c98cfea5a99c22fff4788620acae9cabe604de2d7d2ae6c7dc1f3fbbc7015bdd07
SSDEEP

24576:uuYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9Nf:O9cKrUqZWLAcUX

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/3476-4-0x0000000000CE0000-0x0000000000CE1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

WFS.exeDevicePairingWizard.exeTaskmgr.exe

pid	Process
5080	WFS.exe
4652	DevicePairingWizard.exe
4136	Taskmgr.exe

Loads dropped DLL 3 IoCs

Processes:

WFS.exeDevicePairingWizard.exeTaskmgr.exe

pid	Process
5080	WFS.exe
4652	DevicePairingWizard.exe
4136	Taskmgr.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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vfaxdafbicozcso = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Crypto\\Keys\\akyD\\DevicePairingWizard.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exeWFS.exeDevicePairingWizard.exeTaskmgr.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	WFS.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	DevicePairingWizard.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Taskmgr.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
3036	rundll32.exe
3036	rundll32.exe
3036	rundll32.exe
3036	rundll32.exe
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476
3476

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	procid_target
PID 3476 wrote to memory of 2312	3476	94
PID 3476 wrote to memory of 2312	3476	94
PID 3476 wrote to memory of 5080	3476	95
PID 3476 wrote to memory of 5080	3476	95
PID 3476 wrote to memory of 3904	3476	96
PID 3476 wrote to memory of 3904	3476	96
PID 3476 wrote to memory of 4652	3476	97
PID 3476 wrote to memory of 4652	3476	97
PID 3476 wrote to memory of 4356	3476	98
PID 3476 wrote to memory of 4356	3476	98
PID 3476 wrote to memory of 4136	3476	99
PID 3476 wrote to memory of 4136	3476	99

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\97da975cf879ff9210ee322317dc6f66_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:3036

C:\Windows\system32\WFS.exe
C:\Windows\system32\WFS.exe
1⤵
PID:2312

C:\Users\Admin\AppData\Local\UMRIPcg\WFS.exe
C:\Users\Admin\AppData\Local\UMRIPcg\WFS.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:5080

C:\Windows\system32\DevicePairingWizard.exe
C:\Windows\system32\DevicePairingWizard.exe
1⤵
PID:3904

C:\Users\Admin\AppData\Local\xxe094rx\DevicePairingWizard.exe
C:\Users\Admin\AppData\Local\xxe094rx\DevicePairingWizard.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4652

C:\Windows\system32\Taskmgr.exe
C:\Windows\system32\Taskmgr.exe
1⤵
PID:4356

C:\Users\Admin\AppData\Local\LTGbthNi\Taskmgr.exe
C:\Users\Admin\AppData\Local\LTGbthNi\Taskmgr.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4136

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\LTGbthNi\Taskmgr.exe

Filesize
1.2MB

MD5
58d5bc7895f7f32ee308e34f06f25dd5

SHA1
7a7f5e991ddeaf73e15a0fdcb5c999c0248a2fa4

SHA256
4e305198f15bafd5728b5fb8e7ff48d9f312399c744ecfea0ecac79d93c5e478

SHA512
872c84c92b0e4050ae4a4137330ec3cda30008fd15d6413bf7a913c03a021ad41b6131e5a7356b374ced98d37ae207147ebefd93893560dc15c3e9875f93f7a9

Download Submit
C:\Users\Admin\AppData\Local\LTGbthNi\credui.dll

Filesize
1.2MB

MD5
010420657802f21b8bea180cebb97da5

SHA1
5f318b8b384264776b1f0dfb242170af52944df0

SHA256
1cbef9a015a15f8c086ce9afbb83a8380af90814e6c632e1e686afd66d39b372

SHA512
b17896a7b70fdf5fedf291c409d1f4c3ef6daf6c80a35b3da853828a92751cddb49ca9edcab3a4541a19a6d7635bda493217b7921d359ac313e679dbc8ad2bbf

Download Submit
C:\Users\Admin\AppData\Local\UMRIPcg\UxTheme.dll

Filesize
1.2MB

MD5
e0094ace04af3cca3d3b1b12c897b08c

SHA1
adb34875bc51701c8b28cdb58c8d2c7397a002d6

SHA256
4754f46ddaede68c5efc04e674f4528e5b927a599b462a63a2d176e651f8e991

SHA512
2f10d29790037883080406ff0806d155adfbbdd0e8e0abad4b18ebbed81426eeb40959ed9641e190603f6a2d9a904e604dc84c92af2b1d27832c205e62e556e7

Download Submit
C:\Users\Admin\AppData\Local\UMRIPcg\WFS.exe

Filesize
944KB

MD5
3cbc8d0f65e3db6c76c119ed7c2ffd85

SHA1
e74f794d86196e3bbb852522479946cceeed7e01

SHA256
e23e4182efe7ed61aaf369696e1ce304c3818df33d1663872b6d3c75499d81f4

SHA512
26ae5845a804b9eb752078f1ffa80a476648a8a9508b4f7ba56c94acd4198f3ba59c77add4feb7e0420070222af56521ca5f6334f466d5db272c816930513f0a

Download Submit
C:\Users\Admin\AppData\Local\xxe094rx\DevicePairingWizard.exe

Filesize
93KB

MD5
d0e40a5a0c7dad2d6e5040d7fbc37533

SHA1
b0eabbd37a97a1abcd90bd56394f5c45585699eb

SHA256
2adaf3a5d3fde149626e3fef0e943c7029a135c04688acf357b2d8d04c81981b

SHA512
1191c2efcadd53b74d085612025c44b6cd54dd69493632950e30ada650d5ed79e3468c138f389cd3bc21ea103059a63eb38d9d919a62d932a38830c93f57731f

Download Submit
C:\Users\Admin\AppData\Local\xxe094rx\MFC42u.dll

Filesize
1.2MB

MD5
7942b19d797da1fe15c9938d03c7d636

SHA1
0a2173b4aed763d74246c7d3f3a239b357eaabf4

SHA256
03de610a30dac718eff8c5e0d5b97d5a0e9cab618096b7acc48475693cbf359b

SHA512
4f3b7686a56faf4b0255c9f88c87f97735547185982b77374f2ff54dc1fc8aad7d838f9201c318591d5bf016d32b40eed2ee330497fcb1fd3aa446d1f01e45c1

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

Filesize
1KB

MD5
be0af02a3c41942510f029efbc8b3eb8

SHA1
94b684974ce945671b72226388442791981cbda6

SHA256
bc42e81a659501de3b864afb5fba30a8e147ade550986e11ba7e7a7016830e41

SHA512
397823b1026803c953dd9f377cee50b24117873f10c692437e83e53bc029552dc123fcdd83e934fb1367d30b5ed9a5a513e5d5afd2ffa921a2b03d7b4a1f5cb8

Download Submit
memory/3036-0-0x00007FFF9A6D0000-0x00007FFF9A801000-memory.dmp

Filesize
1.2MB

Download
memory/3036-3-0x000002027C890000-0x000002027C897000-memory.dmp

Filesize
28KB

Download
memory/3036-39-0x00007FFF9A6D0000-0x00007FFF9A801000-memory.dmp

Filesize
1.2MB

Download
memory/3476-9-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-28-0x00007FFFA8A7A000-0x00007FFFA8A7B000-memory.dmp

Filesize
4KB

Download
memory/3476-13-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-12-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-11-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-10-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-16-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-8-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-7-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-15-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-29-0x0000000002640000-0x0000000002647000-memory.dmp

Filesize
28KB

Download
memory/3476-30-0x00007FFFA9550000-0x00007FFFA9560000-memory.dmp

Filesize
64KB

Download
memory/3476-4-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

Filesize
4KB

Download
memory/3476-14-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-6-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-36-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/3476-24-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/4136-80-0x00007FFF8A850000-0x00007FFF8A982000-memory.dmp

Filesize
1.2MB

Download
memory/4136-85-0x00007FFF8A850000-0x00007FFF8A982000-memory.dmp

Filesize
1.2MB

Download
memory/4652-69-0x00007FFF8BBE0000-0x00007FFF8BD18000-memory.dmp

Filesize
1.2MB

Download
memory/4652-63-0x00007FFF8BBE0000-0x00007FFF8BD18000-memory.dmp

Filesize
1.2MB

Download
memory/4652-66-0x000001C3F4020000-0x000001C3F4027000-memory.dmp

Filesize
28KB

Download
memory/5080-52-0x00007FFF8BBE0000-0x00007FFF8BD12000-memory.dmp

Filesize
1.2MB

Download
memory/5080-49-0x0000026C31910000-0x0000026C31917000-memory.dmp

Filesize
28KB

Download
memory/5080-46-0x00007FFF8BBE0000-0x00007FFF8BD12000-memory.dmp

Filesize
1.2MB

Download