dridex | cd1bd457f42d8afb53753b2e986ad3b7bfee9e0ba1bf97c3f71eda63433d77e4

Analysis

max time kernel
149s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 18:33

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General

Target

d8cf023eb8750f452b685ed59fe62820_JaffaCakes118.dll
Size

1.2MB
MD5

d8cf023eb8750f452b685ed59fe62820
SHA1

b4be377b765f4efbee22a39d3d55bdbf0556477e
SHA256

cd1bd457f42d8afb53753b2e986ad3b7bfee9e0ba1bf97c3f71eda63433d77e4
SHA512

41c72ff1cecea5ee4f4e80d3b5b15c6da227ab0b3c1ae884717e21eb22b38fe5430cef6421cbaa092bf5f137b47a35b4c1eb7cf91cd0e116880fdb8c656ae5f0
SSDEEP

24576:DuYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:t9cKrUqZWLAcU

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/3488-4-0x0000000008400000-0x0000000008401000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

SystemPropertiesComputerName.exeBitLockerWizard.exeSystemPropertiesAdvanced.exe

pid	Process
3168	SystemPropertiesComputerName.exe
2904	BitLockerWizard.exe
3056	SystemPropertiesAdvanced.exe

Loads dropped DLL 3 IoCs

Processes:

SystemPropertiesComputerName.exeBitLockerWizard.exeSystemPropertiesAdvanced.exe

pid	Process
3168	SystemPropertiesComputerName.exe
2904	BitLockerWizard.exe
3056	SystemPropertiesAdvanced.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\\Vault\\u0gVHFjuZm\\BitLockerWizard.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

SystemPropertiesComputerName.exeBitLockerWizard.exeSystemPropertiesAdvanced.exerundll32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SystemPropertiesComputerName.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	BitLockerWizard.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SystemPropertiesAdvanced.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Modifies registry class 1 IoCs

Processes:

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
3728	rundll32.exe
3728	rundll32.exe
3728	rundll32.exe
3728	rundll32.exe
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
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3488
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3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488
3488

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

description	pid	Process
Token: SeShutdownPrivilege	3488
Token: SeCreatePagefilePrivilege	3488
Token: SeShutdownPrivilege	3488
Token: SeCreatePagefilePrivilege	3488
Token: SeShutdownPrivilege	3488
Token: SeCreatePagefilePrivilege	3488
Token: SeShutdownPrivilege	3488
Token: SeCreatePagefilePrivilege	3488
Token: SeShutdownPrivilege	3488
Token: SeCreatePagefilePrivilege	3488
Token: SeShutdownPrivilege	3488
Token: SeCreatePagefilePrivilege	3488

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid	Process
3488
3488

Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid	Process
3488

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	procid_target
PID 3488 wrote to memory of 3516	3488	87
PID 3488 wrote to memory of 3516	3488	87
PID 3488 wrote to memory of 3168	3488	88
PID 3488 wrote to memory of 3168	3488	88
PID 3488 wrote to memory of 3716	3488	89
PID 3488 wrote to memory of 3716	3488	89
PID 3488 wrote to memory of 2904	3488	90
PID 3488 wrote to memory of 2904	3488	90
PID 3488 wrote to memory of 4984	3488	91
PID 3488 wrote to memory of 4984	3488	91
PID 3488 wrote to memory of 3056	3488	92
PID 3488 wrote to memory of 3056	3488	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\d8cf023eb8750f452b685ed59fe62820_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:3728

C:\Windows\system32\SystemPropertiesComputerName.exe
C:\Windows\system32\SystemPropertiesComputerName.exe
1⤵
PID:3516

C:\Users\Admin\AppData\Local\udxZVqOWF\SystemPropertiesComputerName.exe
C:\Users\Admin\AppData\Local\udxZVqOWF\SystemPropertiesComputerName.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3168

C:\Windows\system32\BitLockerWizard.exe
C:\Windows\system32\BitLockerWizard.exe
1⤵
PID:3716

C:\Users\Admin\AppData\Local\Irw\BitLockerWizard.exe
C:\Users\Admin\AppData\Local\Irw\BitLockerWizard.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2904

C:\Windows\system32\SystemPropertiesAdvanced.exe
C:\Windows\system32\SystemPropertiesAdvanced.exe
1⤵
PID:4984

C:\Users\Admin\AppData\Local\LXKdH\SystemPropertiesAdvanced.exe
C:\Users\Admin\AppData\Local\LXKdH\SystemPropertiesAdvanced.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3056

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\Irw\BitLockerWizard.exe

Filesize
100KB

MD5
6d30c96f29f64b34bc98e4c81d9b0ee8

SHA1
4a3adc355f02b9c69bdbe391bfb01469dee15cf0

SHA256
7758227642702e645af5e84d1c0e5690e07687c8209072a2c5f79379299edf74

SHA512
25471b0ac7156d9ee9d12181020039bf551ba3efe252b656030c12d93b8db2648a18bdf762740f2a5cd8e43640e4bd4e8742310dea15823fc76b9e1c126876b8

Download Submit
C:\Users\Admin\AppData\Local\Irw\FVEWIZ.dll

Filesize
1.2MB

MD5
605dd00ec460a5f8b83cb62bb58bc893

SHA1
8a75cf683b6ff1b4ba00168f4cab6c98d8ecec1e

SHA256
aa95c58ecb9d81ec9be0cdaefac33fc7a01a3491c9abdb3753e5c563e1091619

SHA512
72ffa31ae87f608447212a912e80a7a872fcf937f58425872efa77e7a93d6f045b1f28f8e7a1cd24fa542ff000712dff88fd8266535e7468ccedae67738c2562

Download Submit
C:\Users\Admin\AppData\Local\LXKdH\SYSDM.CPL

Filesize
1.2MB

MD5
ca97210d04ee01a362a25bfdc7797488

SHA1
adfea556f88fe022b2237d59aed9c72e5994f7b2

SHA256
8b052f38088397c6e07cd1e42b4de1a3a566acab8b4f7a064418c286d70198f9

SHA512
b22bf127ab33d591f39de9b364f3a6f791eae77c05ac7350d545348c9af23da9ad41b5825172a732d65b2387cecefff60ac2b4ab0ba96ad62c0e452cc211f244

Download Submit
C:\Users\Admin\AppData\Local\LXKdH\SystemPropertiesAdvanced.exe

Filesize
82KB

MD5
fa040b18d2d2061ab38cf4e52e753854

SHA1
b1b37124e9afd6c860189ce4d49cebbb2e4c57bc

SHA256
c61fa0f8c5d8d61110adbcceaa453a6c1d31255b3244dc7e3b605a4a931c245c

SHA512
511f5981bd2c446f1f3039f6674f972651512305630bd688b1ef159af36a23cb836b43d7010b132a86b5f4d6c46206057abd31600f1e7dc930cb32ed962298a4

Download Submit
C:\Users\Admin\AppData\Local\udxZVqOWF\SYSDM.CPL

Filesize
1.2MB

MD5
f4486167022a87670395973d256d1747

SHA1
2132481ca0efae71ab3205bc22858b973a45a61d

SHA256
4e108f1eaa8655b3393ce972ac55d9223a19e3bcff976f3f612c4fcb7fae40a9

SHA512
a21033b126bc5ad3fcc0e3769a71aa95a7756e469d6c230919f4adc2ce9f39e420ec4054814522f675a2a7bc2b7494280311954c247a875ba56bb39ab6fd3fca

Download Submit
C:\Users\Admin\AppData\Local\udxZVqOWF\SystemPropertiesComputerName.exe

Filesize
82KB

MD5
6711765f323289f5008a6a2a04b6f264

SHA1
d8116fdf73608b4b254ad83c74f2232584d24144

SHA256
bd3a97327326e2245938ec6099f20059b446ff0fe1c10b9317d15d1a1dd5331e

SHA512
438abd282d9d1c0e7e5db2ce027ff9522c3980278b32b2eae09c595884a8dcbfd5178bc5926b1d15f03174303382e13f5d5ecab9a5d8e31fc07ef39e66c012e8

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

Filesize
1KB

MD5
af5b43b1a1b08a23deea9c491d560493

SHA1
3c5ce60356b7f202ab16ff92c6cb09ae9fcfa772

SHA256
acc6aa7750088cfef90242825523c5aee9976e77e9ac60650abab2ad7836bec6

SHA512
500e4d4beb153ed55125beefb1100781746bdbf8b50a579ae8cef134e33de8308dd56b25ef4ca5c3f0f5ff0143acb8d0762b675bfd75bcbd4af3c8454afa2a81

Download Submit
memory/2904-68-0x00007FFCB2EF0000-0x00007FFCB3021000-memory.dmp

Filesize
1.2MB

Download
memory/2904-62-0x0000013196340000-0x0000013196347000-memory.dmp

Filesize
28KB

Download
memory/3056-82-0x000001B4F53A0000-0x000001B4F53A7000-memory.dmp

Filesize
28KB

Download
memory/3056-85-0x00007FFCB2EF0000-0x00007FFCB3021000-memory.dmp

Filesize
1.2MB

Download
memory/3168-51-0x00007FFCB2EF0000-0x00007FFCB3021000-memory.dmp

Filesize
1.2MB

Download
memory/3168-46-0x00007FFCB2EF0000-0x00007FFCB3021000-memory.dmp

Filesize
1.2MB

Download
memory/3168-45-0x0000013D68DB0000-0x0000013D68DB7000-memory.dmp

Filesize
28KB

Download
memory/3488-29-0x00007FFCC22B0000-0x00007FFCC22C0000-memory.dmp

Filesize
64KB

Download
memory/3488-16-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-8-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-7-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-6-0x00007FFCC0D3A000-0x00007FFCC0D3B000-memory.dmp

Filesize
4KB

Download
memory/3488-10-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-12-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-13-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-15-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-9-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-28-0x00000000083E0000-0x00000000083E7000-memory.dmp

Filesize
28KB

Download
memory/3488-4-0x0000000008400000-0x0000000008401000-memory.dmp

Filesize
4KB

Download
memory/3488-35-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-24-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-14-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3488-11-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3728-0-0x00007FFCB3370000-0x00007FFCB34A0000-memory.dmp

Filesize
1.2MB

Download
memory/3728-38-0x00007FFCB3370000-0x00007FFCB34A0000-memory.dmp

Filesize
1.2MB

Download
memory/3728-3-0x0000026BAEA40000-0x0000026BAEA47000-memory.dmp

Filesize
28KB

Download