dridex | 7bc99dbbeb888112a6de767ad2977ad04ea059ea9e5fe8fce9c22e2d941659bc

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28-08-2024 21:54

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General

Target

c7b6baa928b733cbc9cc203c4f3a8f23_JaffaCakes118.dll
Size

1.2MB
MD5

c7b6baa928b733cbc9cc203c4f3a8f23
SHA1

19b6883c6d058bd69f8e91cc9de095b885066eec
SHA256

7bc99dbbeb888112a6de767ad2977ad04ea059ea9e5fe8fce9c22e2d941659bc
SHA512

a6b594235fa702d123957e0120be2d0f95c04c09454c1127df600e41c2130649e9b47ccc03d5e71855b8325dd79e95df92fed00a39d9bd4500ded6aeebc29514
SSDEEP

24576:ruYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:19cKrUqZWLAcU

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
behavioral1/memory/1196-5-0x0000000002D40000-0x0000000002D41000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

dvdupgrd.exePresentationSettings.exeVaultSysUi.exe

pid	Process
2796	dvdupgrd.exe
2780	PresentationSettings.exe
2728	VaultSysUi.exe

Loads dropped DLL 8 IoCs

Processes:

dvdupgrd.exePresentationSettings.exeVaultSysUi.exe

pid	Process
1196
2796	dvdupgrd.exe
1196
2780	PresentationSettings.exe
1196
1196
2728	VaultSysUi.exe
1196

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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qdgopofbxbljb = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SystemCertificates\\My\\CRLs\\rD\\PresentationSettings.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exedvdupgrd.exePresentationSettings.exeVaultSysUi.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	dvdupgrd.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PresentationSettings.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	VaultSysUi.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
2460	rundll32.exe
2460	rundll32.exe
2460	rundll32.exe
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
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1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	procid_target
PID 1196 wrote to memory of 2648	1196	31
PID 1196 wrote to memory of 2648	1196	31
PID 1196 wrote to memory of 2648	1196	31
PID 1196 wrote to memory of 2796	1196	32
PID 1196 wrote to memory of 2796	1196	32
PID 1196 wrote to memory of 2796	1196	32
PID 1196 wrote to memory of 2960	1196	33
PID 1196 wrote to memory of 2960	1196	33
PID 1196 wrote to memory of 2960	1196	33
PID 1196 wrote to memory of 2780	1196	34
PID 1196 wrote to memory of 2780	1196	34
PID 1196 wrote to memory of 2780	1196	34
PID 1196 wrote to memory of 2616	1196	35
PID 1196 wrote to memory of 2616	1196	35
PID 1196 wrote to memory of 2616	1196	35
PID 1196 wrote to memory of 2728	1196	36
PID 1196 wrote to memory of 2728	1196	36
PID 1196 wrote to memory of 2728	1196	36

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\c7b6baa928b733cbc9cc203c4f3a8f23_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2460

C:\Windows\system32\dvdupgrd.exe
C:\Windows\system32\dvdupgrd.exe
1⤵
PID:2648

C:\Users\Admin\AppData\Local\Ykl6r\dvdupgrd.exe
C:\Users\Admin\AppData\Local\Ykl6r\dvdupgrd.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2796

C:\Windows\system32\PresentationSettings.exe
C:\Windows\system32\PresentationSettings.exe
1⤵
PID:2960

C:\Users\Admin\AppData\Local\g4USVn\PresentationSettings.exe
C:\Users\Admin\AppData\Local\g4USVn\PresentationSettings.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2780

C:\Windows\system32\VaultSysUi.exe
C:\Windows\system32\VaultSysUi.exe
1⤵
PID:2616

C:\Users\Admin\AppData\Local\kXfCUUH\VaultSysUi.exe
C:\Users\Admin\AppData\Local\kXfCUUH\VaultSysUi.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2728

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\Ykl6r\VERSION.dll

Filesize
1.2MB

MD5
ebdd4d04339715a0628179c961a0a7d6

SHA1
24004f028fcdaaed5a996833194d3d366cd982cd

SHA256
820ff5a12baaa2a949ad8a03d80de5281aff914089ce74765308796adb9986e5

SHA512
8afab5444cc30568eb5996cffaa0bbfbd6345ed90b355a25548e73c59ea982ddb9ba05237d7a184c8f82ed56ca473f63b550e598d32e3c1d6990349669908871

Download Submit
C:\Users\Admin\AppData\Local\g4USVn\slc.dll

Filesize
1.2MB

MD5
3d853feaa67a8bff1a85449a7170a2f2

SHA1
fcf74242b2543d55710c64c1b112d657c92d7acf

SHA256
c6d86920122fd78fb68a6fa109958a99b5467bead3e3fd6bf77c8e34fe7a06d6

SHA512
016026237bb51e6bca8900ae86a602d081342740cad8d825c16f964a41cd5627d6cf410a864a5242c1bc49c2ecf5d62b198ba84c4b53ade8d0d64dcea8cd4efd

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

Filesize
1.2MB

MD5
dd20826b131f003b9880a2e863fcd487

SHA1
86e9b6a91c32bfb7f77c7b8b1691c28680afb5d3

SHA256
6c88c9932ebe9fd30d659f3c1e3dbf0718208a63927e3735c62af2ff6391ce08

SHA512
102b164be182deae8d60dbf3e45ece18d9ffca34a8a3d354d9a97ebd0aa0d0f6696caa345ef543445a09eac708e73f82ee9d57563fd39b1bde1810a9cc8f4781

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

Filesize
1KB

MD5
94efb6058581b4d648df44f76b06a6cd

SHA1
0dee1838ac16a80a4500b9ce84e400fc0cb5cc8f

SHA256
7762b16f3d860393d83e1dfbee9972e6c7520edca650b0273b755b205d5ef0cb

SHA512
c3e797bfb5922408fe2c806c5fedf663f7d9e49e681f37c3bb1eaa6e72bb256d4dee296a191dd7cbd25d6c832d3e9c7268b433b5ed9eea1924bac17572c9ec2b

Download Submit
\Users\Admin\AppData\Local\Ykl6r\dvdupgrd.exe

Filesize
25KB

MD5
75a9b4172eac01d9648c6d2133af952f

SHA1
63c7e1af762d2b584e9cc841e8b0100f2a482b81

SHA256
18f9f520c7157023b0e7dfe7433a63c4dedd47b04d24aac4038b795893050736

SHA512
5a7a2c7f184efd9c84256a1a0a5e7aeb95432d63a567196be54e7a9437a5ada9b922983c5fc0cafb16eab4493665d8e56e2f646f9f6a2d6179986925ffcdf769

Download Submit
\Users\Admin\AppData\Local\g4USVn\PresentationSettings.exe

Filesize
172KB

MD5
a6f8d318f6041334889481b472000081

SHA1
b8cf08ec17b30c8811f2514246fcdff62731dd58

SHA256
208b94fd66a6ce266c3195f87029a41a0622fff47f2a5112552cb087adbb1258

SHA512
60f70fa8a19e6ea6f08f4907dd7fede3665ad3f2e013d49f6649442ea5871a967b9a53ec4d3328a06cb83b69be1b7af1bb14bf122b568bd1f8432ee1d0bfee69

Download Submit
\Users\Admin\AppData\Local\kXfCUUH\VaultSysUi.exe

Filesize
39KB

MD5
f40ef105d94350d36c799ee23f7fec0f

SHA1
ee3a5cfe8b807e1c1718a27eb97fa134360816e3

SHA256
eeb3f79be414b81f4eb8167390641787f14a033414533fb8de651c2247d054b2

SHA512
f16bcca6f6cecbdae117d5a41de7e86a6d9dfdfa2ce8c75ebff10d097083c106e7f9d030debed8cb20fdd71815a8aa7723a1d3c68b38ec382e55370331c594a1

Download Submit
memory/1196-12-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-10-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-4-0x0000000077A56000-0x0000000077A57000-memory.dmp

Filesize
4KB

Download
memory/1196-16-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-25-0x0000000002D20000-0x0000000002D27000-memory.dmp

Filesize
28KB

Download
memory/1196-24-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-15-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-14-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-13-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-29-0x0000000077CF0000-0x0000000077CF2000-memory.dmp

Filesize
8KB

Download
memory/1196-28-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1196-36-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-37-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-5-0x0000000002D40000-0x0000000002D41000-memory.dmp

Filesize
4KB

Download
memory/1196-46-0x0000000077A56000-0x0000000077A57000-memory.dmp

Filesize
4KB

Download
memory/1196-9-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-11-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-8-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1196-7-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/2460-45-0x000007FEF6860000-0x000007FEF6990000-memory.dmp

Filesize
1.2MB

Download
memory/2460-3-0x00000000003A0000-0x00000000003A7000-memory.dmp

Filesize
28KB

Download
memory/2460-0-0x000007FEF6860000-0x000007FEF6990000-memory.dmp

Filesize
1.2MB

Download
memory/2728-95-0x0000000001CA0000-0x0000000001CA7000-memory.dmp

Filesize
28KB

Download
memory/2728-99-0x000007FEF6880000-0x000007FEF69B1000-memory.dmp

Filesize
1.2MB

Download
memory/2780-72-0x0000000001AC0000-0x0000000001AC7000-memory.dmp

Filesize
28KB

Download
memory/2780-73-0x000007FEF6880000-0x000007FEF69B1000-memory.dmp

Filesize
1.2MB

Download
memory/2780-78-0x000007FEF6880000-0x000007FEF69B1000-memory.dmp

Filesize
1.2MB

Download
memory/2796-60-0x000007FEF7060000-0x000007FEF7191000-memory.dmp

Filesize
1.2MB

Download
memory/2796-55-0x000007FEF7060000-0x000007FEF7191000-memory.dmp

Filesize
1.2MB

Download
memory/2796-54-0x0000000000110000-0x0000000000117000-memory.dmp

Filesize
28KB

Download