dridex | f3ee4f0ee0df0701d4a42338b1e36ef39c8d4e7fb4726b015cd31ebb2dfbdf59

General

Target

f3ee4f0ee0df0701d4a42338b1e36ef39c8d4e7fb4726b015cd31ebb2dfbdf59.dll
Size

952KB
MD5

60615daea6718bb366a3360c61da8582
SHA1

a27c75340da626b4a9635a4e8d92ec3ee5c1bb3b
SHA256

f3ee4f0ee0df0701d4a42338b1e36ef39c8d4e7fb4726b015cd31ebb2dfbdf59
SHA512

9ccf9349ea4dab95292f9bda79a05cc8d96427cef00395c30f936b2ca7b19abf28d657d41f7c5eb1273c52078673b3007cf18b6a377b051e8bf417221405d9df
SSDEEP

6144:e34xznfAp4x+NWMqW/KZ1vCDTEpc2bysCZR6iwAtUnWKT5WK8Rpv1llfFfCRAuTx:eIKp/UWCZdCDh2IZDwAFRpR6Aul+

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 family
dridex

Dridex Shellcode 1 IoCs

Detects Dridex Payload shellcode injected in Explorer process.

botnet payload

Processes:

resource	yara_rule
behavioral1/memory/1252-4-0x0000000002530000-0x0000000002531000-memory.dmp	dridex_stager_shellcode

Dridex payload 11 IoCs

Detects Dridex x64 core DLL in memory.

botnet payload

Processes:

resource	yara_rule
behavioral1/memory/2892-1-0x000007FEF67B0000-0x000007FEF689E000-memory.dmp	dridex_payload
behavioral1/memory/1252-18-0x0000000140000000-0x00000001400EE000-memory.dmp	dridex_payload
behavioral1/memory/1252-26-0x0000000140000000-0x00000001400EE000-memory.dmp	dridex_payload
behavioral1/memory/1252-37-0x0000000140000000-0x00000001400EE000-memory.dmp	dridex_payload
behavioral1/memory/1252-38-0x0000000140000000-0x00000001400EE000-memory.dmp	dridex_payload
behavioral1/memory/2892-46-0x000007FEF67B0000-0x000007FEF689E000-memory.dmp	dridex_payload
behavioral1/memory/2196-55-0x000007FEF6DB0000-0x000007FEF6E9F000-memory.dmp	dridex_payload
behavioral1/memory/2196-60-0x000007FEF6DB0000-0x000007FEF6E9F000-memory.dmp	dridex_payload
behavioral1/memory/2944-72-0x000007FEF67B0000-0x000007FEF689F000-memory.dmp	dridex_payload
behavioral1/memory/2944-77-0x000007FEF67B0000-0x000007FEF689F000-memory.dmp	dridex_payload
behavioral1/memory/1880-93-0x000007FEF67B0000-0x000007FEF689F000-memory.dmp	dridex_payload

Executes dropped EXE 3 IoCs

Processes:

SystemPropertiesComputerName.exeDxpserver.exemstsc.exe

pid process

2196 SystemPropertiesComputerName.exe
2944 Dxpserver.exe
1880 mstsc.exe
Loads dropped DLL 7 IoCs

Processes:

SystemPropertiesComputerName.exeDxpserver.exemstsc.exe

pid process

1252
2196 SystemPropertiesComputerName.exe
1252
2944 Dxpserver.exe
1252
1880 mstsc.exe
1252

pid	process
2196	SystemPropertiesComputerName.exe
2944	Dxpserver.exe
1880	mstsc.exe

pid	process
1252
2196	SystemPropertiesComputerName.exe
1252
2944	Dxpserver.exe
1252
1880	mstsc.exe
1252

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zoekctxdbskyzr = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\INTERN~1\\QUICKL~1\\tfk\\DXPSER~1.EXE"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exeSystemPropertiesComputerName.exeDxpserver.exemstsc.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	SystemPropertiesComputerName.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Dxpserver.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstsc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2892	rundll32.exe
2892	rundll32.exe
2892	rundll32.exe
1252
1252
1252
1252
1252
1252
1252
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1252

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	target process
PID 1252 wrote to memory of 2656	1252	SystemPropertiesComputerName.exe
PID 1252 wrote to memory of 2656	1252	SystemPropertiesComputerName.exe
PID 1252 wrote to memory of 2656	1252	SystemPropertiesComputerName.exe
PID 1252 wrote to memory of 2196	1252	SystemPropertiesComputerName.exe
PID 1252 wrote to memory of 2196	1252	SystemPropertiesComputerName.exe
PID 1252 wrote to memory of 2196	1252	SystemPropertiesComputerName.exe
PID 1252 wrote to memory of 1264	1252	Dxpserver.exe
PID 1252 wrote to memory of 1264	1252	Dxpserver.exe
PID 1252 wrote to memory of 1264	1252	Dxpserver.exe
PID 1252 wrote to memory of 2944	1252	Dxpserver.exe
PID 1252 wrote to memory of 2944	1252	Dxpserver.exe
PID 1252 wrote to memory of 2944	1252	Dxpserver.exe
PID 1252 wrote to memory of 2916	1252	mstsc.exe
PID 1252 wrote to memory of 2916	1252	mstsc.exe
PID 1252 wrote to memory of 2916	1252	mstsc.exe
PID 1252 wrote to memory of 1880	1252	mstsc.exe
PID 1252 wrote to memory of 1880	1252	mstsc.exe
PID 1252 wrote to memory of 1880	1252	mstsc.exe

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\f3ee4f0ee0df0701d4a42338b1e36ef39c8d4e7fb4726b015cd31ebb2dfbdf59.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2892

C:\Windows\system32\SystemPropertiesComputerName.exe
C:\Windows\system32\SystemPropertiesComputerName.exe
1⤵
PID:2656

C:\Users\Admin\AppData\Local\cNqpNPF\SystemPropertiesComputerName.exe
C:\Users\Admin\AppData\Local\cNqpNPF\SystemPropertiesComputerName.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2196

C:\Windows\system32\Dxpserver.exe
C:\Windows\system32\Dxpserver.exe
1⤵
PID:1264

C:\Users\Admin\AppData\Local\0LDxVJ\Dxpserver.exe
C:\Users\Admin\AppData\Local\0LDxVJ\Dxpserver.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2944

C:\Windows\system32\mstsc.exe
C:\Windows\system32\mstsc.exe
1⤵
PID:2916

C:\Users\Admin\AppData\Local\lBFo\mstsc.exe
C:\Users\Admin\AppData\Local\lBFo\mstsc.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\cNqpNPF\SYSDM.CPL

Filesize
956KB

MD5
6571975387e2366624c9fca5125df0ca

SHA1
6f7b01d3e5a7750a9b3905351ce30849d2c95cb5

SHA256
f397bc47a18019c2081c893da2b0b90d5ff9d4ba38f3f47114a02b0a611a352a

SHA512
792b9a1ca5944a1039d2f387539c9f1b6fc005f0aaf09b5ab51dc59ac7ee29734a344fc0a1379c3173fd81006131dd9f1a0cb605e4ba0fa4df9c8617fd6d35df

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

Filesize
956KB

MD5
60e2e01b34b89cd58dcc85547af391da

SHA1
a33f424b2231c1376d21dd2782b85288982a6ebc

SHA256
a80a60a1cf8ce2324e095fa7454eb304fc4d03296235b41e7658c34ec58bbd1a

SHA512
3ec4ef538844f0c4d7bcc115c48becd683e6c9cabf4d771fb45a5b48ae163acb062a8c12235d8a48b305bf6a45100746dac4be73a33f3cb2c0ad71f635d60e0f

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

Filesize
1KB

MD5
8c9ac3addccb913cc9822d805a74edcf

SHA1
d922e44c2bb3b37f0629007d763d5aefa96618dd

SHA256
40b9897c9f5d2821068323ea63cacf3dfbdd18bf938ba56aa9353cf81e5c3b35

SHA512
69e88d8828f971d992413bab89ee66f5c80c69d9307921fe7ff517a1c0875857af5f0eaeb055b158bc56743c3866145be26d68b85a35417741339bc060db95d9

Download Submit
\Users\Admin\AppData\Local\0LDxVJ\Dxpserver.exe

Filesize
259KB

MD5
4d38389fb92e43c77a524fd96dbafd21

SHA1
08014e52f6894cad4f1d1e6fc1a703732e9acd19

SHA256
070bc95c486c15d2edc3548ba416dc9565ead401cb03a0472f719fb55ac94e73

SHA512
02d8d130cff2b8de15139d309e1cd74a2148bb786fd749e5f22775d45e193b0f75adf40274375cabce33576480ff20456f25172d29a034cd134b8084d40a67ba

Download Submit
\Users\Admin\AppData\Local\0LDxVJ\XmlLite.dll

Filesize
956KB

MD5
3985e90f225a812a8dad0614b065791b

SHA1
cc76eb1acb88945ef416bfba4abfb36beb766acf

SHA256
470e1169b6fa001dd172855b300bc069c77d0a6ea7b9f625f5c984da864175b4

SHA512
4fc2f0b570608ff6e5c9f1ac430a29d1fc0f7fe76d79d3af12cf1e18da0facb93fbfe8bc1296dea6ab1cabfc052744db078476e1fd2d61b5f337d362adbc015b

Download Submit
\Users\Admin\AppData\Local\cNqpNPF\SystemPropertiesComputerName.exe

Filesize
80KB

MD5
bd889683916aa93e84e1a75802918acf

SHA1
5ee66571359178613a4256a7470c2c3e6dd93cfa

SHA256
0e22894595891a9ff9706e03b3db31a751541c4a773f82420fce57237d6c47cf

SHA512
9d76de848b319f44657fb7fbe5a3b927774ae999362ff811a199002ffa77ad9e1638a65a271388e605ab5e5a7cb6ce5aa7fcabc3ed583ade00eaa4c265552026

Download Submit
\Users\Admin\AppData\Local\lBFo\mstsc.exe

Filesize
1.1MB

MD5
50f739538ef014b2e7ec59431749d838

SHA1
b439762b8efe8cfb977e7374c11a7e4d8ed05eb3

SHA256
85c510c7fa8d64c70886ea01ec99e7b9064594f021a95b4cf88359421e732be3

SHA512
02e231ddc4ac012c597b9db42f8a77fbf35ca8253c030d443a0dd4db3d76a9ee1cced600f12d7bb06305e7a4da4a8fda980faad335adcb12738d80d453cb3cc8

Download Submit
memory/1252-26-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-38-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-17-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-16-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-15-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-14-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-12-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-11-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-9-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-8-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-7-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-3-0x00000000775D6000-0x00000000775D7000-memory.dmp

Filesize
4KB

Download
memory/1252-28-0x0000000077870000-0x0000000077872000-memory.dmp

Filesize
8KB

Download
memory/1252-27-0x0000000077840000-0x0000000077842000-memory.dmp

Filesize
8KB

Download
memory/1252-37-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-18-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-4-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download
memory/1252-47-0x00000000775D6000-0x00000000775D7000-memory.dmp

Filesize
4KB

Download
memory/1252-25-0x0000000002510000-0x0000000002517000-memory.dmp

Filesize
28KB

Download
memory/1252-10-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-6-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1252-13-0x0000000140000000-0x00000001400EE000-memory.dmp

Filesize
952KB

Download
memory/1880-93-0x000007FEF67B0000-0x000007FEF689F000-memory.dmp

Filesize
956KB

Download
memory/2196-57-0x0000000000090000-0x0000000000097000-memory.dmp

Filesize
28KB

Download
memory/2196-60-0x000007FEF6DB0000-0x000007FEF6E9F000-memory.dmp

Filesize
956KB

Download
memory/2196-55-0x000007FEF6DB0000-0x000007FEF6E9F000-memory.dmp

Filesize
956KB

Download
memory/2892-46-0x000007FEF67B0000-0x000007FEF689E000-memory.dmp

Filesize
952KB

Download
memory/2892-0-0x00000000000A0000-0x00000000000A7000-memory.dmp

Filesize
28KB

Download
memory/2892-1-0x000007FEF67B0000-0x000007FEF689E000-memory.dmp

Filesize
952KB

Download
memory/2944-74-0x0000000000100000-0x0000000000107000-memory.dmp

Filesize
28KB

Download
memory/2944-72-0x000007FEF67B0000-0x000007FEF689F000-memory.dmp

Filesize
956KB

Download
memory/2944-77-0x000007FEF67B0000-0x000007FEF689F000-memory.dmp

Filesize
956KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads