dridex | 9cf326ccaee343e0bd17b36bc073ea0ec4db6dc32f1596d69f018f67f3f30055

Analysis

max time kernel
150s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 15:56

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General

Target

a32e85a3e9c4f38f9b6bc91063dd086c_JaffaCakes118.dll
Size

1.2MB
MD5

a32e85a3e9c4f38f9b6bc91063dd086c
SHA1

207a0c9c977e931bd533ec62761e9ecee2238ddf
SHA256

9cf326ccaee343e0bd17b36bc073ea0ec4db6dc32f1596d69f018f67f3f30055
SHA512

e1b749cbaec8b8b2f47f9376b2c88eab169735b7516d38ec388c7a54f637293d9adc7784a42b41d780ede176697b2d7f0fcc7df1405e15fead901232dedfa2de
SSDEEP

24576:9uYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:X9cKrUqZWLAcU

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/3464-4-0x00000000077F0000-0x00000000077F1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

BitLockerWizard.exeperfmon.exeTaskmgr.exe

pid	Process
1764	BitLockerWizard.exe
4676	perfmon.exe
1268	Taskmgr.exe

Loads dropped DLL 4 IoCs

Processes:

BitLockerWizard.exeperfmon.exeTaskmgr.exe

pid	Process
1764	BitLockerWizard.exe
4676	perfmon.exe
1268	Taskmgr.exe
1268	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qebzqfuc = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Crypto\\RSA\\S-1-5-21-523280732-2327480845-3730041215-1000\\OjU9\\perfmon.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

BitLockerWizard.exeperfmon.exeTaskmgr.exerundll32.exe

description	ioc	Process
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	perfmon.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Modifies registry class 3 IoCs

Processes:

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
1444	rundll32.exe
1444	rundll32.exe
1444	rundll32.exe
1444	rundll32.exe
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464
3464

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

description	pid	Process
Token: SeShutdownPrivilege	3464
Token: SeCreatePagefilePrivilege	3464
Token: SeShutdownPrivilege	3464
Token: SeCreatePagefilePrivilege	3464
Token: SeShutdownPrivilege	3464
Token: SeCreatePagefilePrivilege	3464
Token: SeShutdownPrivilege	3464
Token: SeCreatePagefilePrivilege	3464

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid	Process
3464
3464

Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid	Process
3464

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	procid_target
PID 3464 wrote to memory of 1724	3464	95
PID 3464 wrote to memory of 1724	3464	95
PID 3464 wrote to memory of 1764	3464	96
PID 3464 wrote to memory of 1764	3464	96
PID 3464 wrote to memory of 4584	3464	97
PID 3464 wrote to memory of 4584	3464	97
PID 3464 wrote to memory of 4676	3464	98
PID 3464 wrote to memory of 4676	3464	98
PID 3464 wrote to memory of 4364	3464	99
PID 3464 wrote to memory of 4364	3464	99
PID 3464 wrote to memory of 1268	3464	100
PID 3464 wrote to memory of 1268	3464	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\a32e85a3e9c4f38f9b6bc91063dd086c_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1444

C:\Windows\system32\BitLockerWizard.exe
C:\Windows\system32\BitLockerWizard.exe
1⤵
PID:1724

C:\Users\Admin\AppData\Local\mRm6vkhDz\BitLockerWizard.exe
C:\Users\Admin\AppData\Local\mRm6vkhDz\BitLockerWizard.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1764

C:\Windows\system32\perfmon.exe
C:\Windows\system32\perfmon.exe
1⤵
PID:4584

C:\Users\Admin\AppData\Local\KxbnC\perfmon.exe
C:\Users\Admin\AppData\Local\KxbnC\perfmon.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4676

C:\Windows\system32\Taskmgr.exe
C:\Windows\system32\Taskmgr.exe
1⤵
PID:4364

C:\Users\Admin\AppData\Local\yw7\Taskmgr.exe
C:\Users\Admin\AppData\Local\yw7\Taskmgr.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1268

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\KxbnC\credui.dll

Filesize
1.2MB

MD5
da7c25c6f2bbb171687375abbe9b6bba

SHA1
e106cd0f49d1558fc4591c23195c57235634e450

SHA256
972320c520ae19dbc0d5ea350cab556103e40966c3d7a29ebf3f96191ac5d938

SHA512
093f1c5657eb16ccb96d07f61ffa8afb20a7e64fd8490352a18482e8b34ce65c32bf56032a2bb30dc68b153e0b466046b1e6719043007dde056d9e25a9fd4ccf

Download Submit
C:\Users\Admin\AppData\Local\KxbnC\perfmon.exe

Filesize
177KB

MD5
d38aa59c3bea5456bd6f95c73ad3c964

SHA1
40170eab389a6ba35e949f9c92962646a302d9ef

SHA256
5f041cff346fb37e5c5c9dab3c1272c76f8b5f579205170e97d2248d04a4ea0c

SHA512
59fa552a46e5d6237c7244b03d09d60e9489217b4319a212e822c73fe1f31a81837cb906ae7da92072bd3d9263fe0b967e073110ba81da3a90126f25115fff68

Download Submit
C:\Users\Admin\AppData\Local\mRm6vkhDz\BitLockerWizard.exe

Filesize
100KB

MD5
6d30c96f29f64b34bc98e4c81d9b0ee8

SHA1
4a3adc355f02b9c69bdbe391bfb01469dee15cf0

SHA256
7758227642702e645af5e84d1c0e5690e07687c8209072a2c5f79379299edf74

SHA512
25471b0ac7156d9ee9d12181020039bf551ba3efe252b656030c12d93b8db2648a18bdf762740f2a5cd8e43640e4bd4e8742310dea15823fc76b9e1c126876b8

Download Submit
C:\Users\Admin\AppData\Local\mRm6vkhDz\FVEWIZ.dll

Filesize
1.2MB

MD5
782c063c3f8abb72670dc6ad81b5821a

SHA1
79c62d71fa2bdc23faf2de52f1b8a75d2ef22ac3

SHA256
0d6188f167941fdf1024e1dc6c8928c8794d017ba6c97452efafb529333d417c

SHA512
93f02675e9a61fe1bf45eba3fcd33edbedf6d0bdd9b479110dc6e90b3ec9e28a85fbb147b3dfbb222dd147160fa813d4d2ac1cb089da6cb4513da1542848d54c

Download Submit
C:\Users\Admin\AppData\Local\yw7\Taskmgr.exe

Filesize
1.2MB

MD5
58d5bc7895f7f32ee308e34f06f25dd5

SHA1
7a7f5e991ddeaf73e15a0fdcb5c999c0248a2fa4

SHA256
4e305198f15bafd5728b5fb8e7ff48d9f312399c744ecfea0ecac79d93c5e478

SHA512
872c84c92b0e4050ae4a4137330ec3cda30008fd15d6413bf7a913c03a021ad41b6131e5a7356b374ced98d37ae207147ebefd93893560dc15c3e9875f93f7a9

Download Submit
C:\Users\Admin\AppData\Local\yw7\dxgi.dll

Filesize
1.2MB

MD5
a95f03b1724a55dfcd2b019d43661126

SHA1
56a713467f8e88c2892bb1d52961d3b76879896a

SHA256
6acf7b7d5d981069901fd23e7c8598032a114c24c607d8971a19281b03ced3b7

SHA512
7baa8bf2db5b42ef08623b7136aef45f66715732c2f564f01e97ec93bef4aac0be24ed09861d983257935cb0f935d43d411e305d0968e661c7ca299d3a366fdf

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

Filesize
1KB

MD5
5b4779c4f858171ebb623c3267865217

SHA1
2dce27e88dc5452a90cf808c2e529cb91021433a

SHA256
9c66f5f84a3338e564a6472e37d50653d5c1cf772ca00651bceedf03bc3073be

SHA512
d46c910170ef237416f3aa41ec3e3da1198a68c7dfc503c0c2d1cbeabd8b9a4f4772fd340eb402c0238f5c6a862f801819dd5ac9cd61da826c8ad1d035137f98

Download Submit
memory/1268-80-0x00007FFC5C970000-0x00007FFC5CAA1000-memory.dmp

Filesize
1.2MB

Download
memory/1268-85-0x00007FFC5C970000-0x00007FFC5CAA1000-memory.dmp

Filesize
1.2MB

Download
memory/1444-38-0x00007FFC6C6D0000-0x00007FFC6C800000-memory.dmp

Filesize
1.2MB

Download
memory/1444-3-0x0000023B7F250000-0x0000023B7F257000-memory.dmp

Filesize
28KB

Download
memory/1444-0-0x00007FFC6C6D0000-0x00007FFC6C800000-memory.dmp

Filesize
1.2MB

Download
memory/1764-51-0x00007FFC5D660000-0x00007FFC5D791000-memory.dmp

Filesize
1.2MB

Download
memory/1764-46-0x00007FFC5D660000-0x00007FFC5D791000-memory.dmp

Filesize
1.2MB

Download
memory/1764-45-0x000001BD5AFE0000-0x000001BD5AFE7000-memory.dmp

Filesize
28KB

Download
memory/3464-29-0x00007FFC7AED0000-0x00007FFC7AEE0000-memory.dmp

Filesize
64KB

Download
memory/3464-28-0x0000000003800000-0x0000000003807000-memory.dmp

Filesize
28KB

Download
memory/3464-7-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-9-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-11-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-12-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-13-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-15-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-17-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-8-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-35-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-5-0x00007FFC7981A000-0x00007FFC7981B000-memory.dmp

Filesize
4KB

Download
memory/3464-4-0x00000000077F0000-0x00000000077F1000-memory.dmp

Filesize
4KB

Download
memory/3464-10-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-24-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/3464-14-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/4676-68-0x00007FFC5D600000-0x00007FFC5D731000-memory.dmp

Filesize
1.2MB

Download
memory/4676-62-0x00007FFC5D600000-0x00007FFC5D731000-memory.dmp

Filesize
1.2MB

Download
memory/4676-65-0x000001A1B0FF0000-0x000001A1B0FF7000-memory.dmp

Filesize
28KB

Download