dridex | da457d69f37782526f9a253e305e10ccf5c10320f930879b33e30475adf061ec

General

Target

da457d69f37782526f9a253e305e10ccf5c10320f930879b33e30475adf061ec.dll
Size

716KB
MD5

e85e1ec50007aaefe8a569d3931bccf9
SHA1

fbddb1fd526afad1be106f3ac1790fa75866a995
SHA256

da457d69f37782526f9a253e305e10ccf5c10320f930879b33e30475adf061ec
SHA512

691a3e2b10e5c9a0edb8d51a9fc0df29246232cc6c7b67539b3c9256a9be6e0cef58022abef8dbd7e49e8e3c0d21b60dc8b68e484684e0c9e6da9c0cad332766
SSDEEP

12288:NqJ4FzHTx8cOjEIonNgQLtXKFg2t/KRi4BaedN:NqGBHTxvt+g2gYedN

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/3528-3-0x0000000002ED0000-0x0000000002ED1000-memory.dmp	dridex_stager_shellcode

Dridex payload 9 IoCs

Detects Dridex x64 core DLL in memory.

botnet payload

Processes:

resource	yara_rule
behavioral2/memory/448-1-0x0000000140000000-0x00000001400B3000-memory.dmp	dridex_payload
behavioral2/memory/3528-22-0x0000000140000000-0x00000001400B3000-memory.dmp	dridex_payload
behavioral2/memory/3528-33-0x0000000140000000-0x00000001400B3000-memory.dmp	dridex_payload
behavioral2/memory/448-36-0x0000000140000000-0x00000001400B3000-memory.dmp	dridex_payload
behavioral2/memory/3268-44-0x0000000140000000-0x00000001400B4000-memory.dmp	dridex_payload
behavioral2/memory/3268-48-0x0000000140000000-0x00000001400B4000-memory.dmp	dridex_payload
behavioral2/memory/3020-59-0x0000000140000000-0x00000001400F9000-memory.dmp	dridex_payload
behavioral2/memory/3020-63-0x0000000140000000-0x00000001400F9000-memory.dmp	dridex_payload
behavioral2/memory/4224-78-0x0000000140000000-0x00000001400F9000-memory.dmp	dridex_payload

Executes dropped EXE 3 IoCs

Processes:

DeviceEnroller.exeSystemSettingsAdminFlows.exeCameraSettingsUIHost.exe

pid process

3268 DeviceEnroller.exe
3020 SystemSettingsAdminFlows.exe
4224 CameraSettingsUIHost.exe
Loads dropped DLL 3 IoCs

Processes:

DeviceEnroller.exeSystemSettingsAdminFlows.exeCameraSettingsUIHost.exe

pid process

3268 DeviceEnroller.exe
3020 SystemSettingsAdminFlows.exe
4224 CameraSettingsUIHost.exe

pid	process
3268	DeviceEnroller.exe
3020	SystemSettingsAdminFlows.exe
4224	CameraSettingsUIHost.exe

pid	process
3268	DeviceEnroller.exe
3020	SystemSettingsAdminFlows.exe
4224	CameraSettingsUIHost.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nzvdnevrdk = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Windows\\STARTM~1\\3hMh\\SYSTEM~1.EXE"

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

DeviceEnroller.exeSystemSettingsAdminFlows.exeCameraSettingsUIHost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	DeviceEnroller.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SystemSettingsAdminFlows.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	CameraSettingsUIHost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exe

pid	process
448	regsvr32.exe
448	regsvr32.exe
448	regsvr32.exe
448	regsvr32.exe
3528
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3528
3528

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	target process
PID 3528 wrote to memory of 3212	3528	DeviceEnroller.exe
PID 3528 wrote to memory of 3212	3528	DeviceEnroller.exe
PID 3528 wrote to memory of 3268	3528	DeviceEnroller.exe
PID 3528 wrote to memory of 3268	3528	DeviceEnroller.exe
PID 3528 wrote to memory of 2884	3528	SystemSettingsAdminFlows.exe
PID 3528 wrote to memory of 2884	3528	SystemSettingsAdminFlows.exe
PID 3528 wrote to memory of 3020	3528	SystemSettingsAdminFlows.exe
PID 3528 wrote to memory of 3020	3528	SystemSettingsAdminFlows.exe
PID 3528 wrote to memory of 4800	3528	CameraSettingsUIHost.exe
PID 3528 wrote to memory of 4800	3528	CameraSettingsUIHost.exe
PID 3528 wrote to memory of 4224	3528	CameraSettingsUIHost.exe
PID 3528 wrote to memory of 4224	3528	CameraSettingsUIHost.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\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\da457d69f37782526f9a253e305e10ccf5c10320f930879b33e30475adf061ec.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:448

C:\Windows\system32\DeviceEnroller.exe
C:\Windows\system32\DeviceEnroller.exe
1⤵
PID:3212

C:\Users\Admin\AppData\Local\FVWsIRS\DeviceEnroller.exe
C:\Users\Admin\AppData\Local\FVWsIRS\DeviceEnroller.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3268

C:\Windows\system32\SystemSettingsAdminFlows.exe
C:\Windows\system32\SystemSettingsAdminFlows.exe
1⤵
PID:2884

C:\Users\Admin\AppData\Local\6Qkr\SystemSettingsAdminFlows.exe
C:\Users\Admin\AppData\Local\6Qkr\SystemSettingsAdminFlows.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3020

C:\Windows\system32\CameraSettingsUIHost.exe
C:\Windows\system32\CameraSettingsUIHost.exe
1⤵
PID:4800

C:\Users\Admin\AppData\Local\5QcH\CameraSettingsUIHost.exe
C:\Users\Admin\AppData\Local\5QcH\CameraSettingsUIHost.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4224

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

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Downloads

C:\Users\Admin\AppData\Local\5QcH\CameraSettingsUIHost.exe

Filesize
31KB

MD5
9e98636523a653c7a648f37be229cf69

SHA1
bd4da030e7cf4d55b7c644dfacd26b152e6a14c4

SHA256
3bf20bc5a208dfa1ea26a042fd0010b1268dcfedc94ed775f11890bc1d95e717

SHA512
41966166e2ddfe40e6f4e6da26bc490775caac9997465c6dd94ba6a664d3a797ffc2aa5684c95702e8657e5cea62a46a75aee3e7d5e07a47dcaaa5c4da565e78

Download Submit
C:\Users\Admin\AppData\Local\5QcH\DUI70.dll

Filesize
996KB

MD5
2977e8891a6a30a33719e253ca8d0a1a

SHA1
86a642fe751ed61f5dbcc773acf4c74eb6d70b59

SHA256
631ab48c0096fc19d2d8d12449ffe5f3677a30a12d377a60afbbc477b1aa9fc4

SHA512
f0e3301b5024da00aa0d0f362c9a1cdfcb3fe3869a106bd9192f8d55b48a5e9486db6530bf057b9888ca980f9db6e422a08bb9d0f0935345c6a3fc157927a553

Download Submit
C:\Users\Admin\AppData\Local\6Qkr\DUI70.dll

Filesize
996KB

MD5
e12a845a16e42c68432336f9a1dbb098

SHA1
8af66e6deff5427a19946ac2fff59137fc176f91

SHA256
b8139beb2af0d45ce326f45a836e9a9c975fe4baeba6cbc378ce530c11a83100

SHA512
f0e67f274a3314f1ece7ee2a65d92701c691f89c06b67fc5f49113dc32bfb0f93351656ecace7113a519edc6e6e5b4d41a6777e3edd3613b8f2e92b0f961d3f6

Download Submit
C:\Users\Admin\AppData\Local\6Qkr\SystemSettingsAdminFlows.exe

Filesize
506KB

MD5
50adb2c7c145c729b9de8b7cf967dd24

SHA1
a31757f08da6f95156777c1132b6d5f1db3d8f30

SHA256
a7a2e7122d27308df37b7ab718ef3ac239e4216669f51331e34e205f59fb0aec

SHA512
715b4c93e79e896da1cf86cf4455a84cba1aeac34b6fd72d2afdf203a2034f6f8fac1d6501f0dd277a17bd1d7ab73ddd1887e01a99f2d26f39efeb94d0aac9b0

Download Submit
C:\Users\Admin\AppData\Local\FVWsIRS\DeviceEnroller.exe

Filesize
448KB

MD5
946d9474533f58d2613078fd14ca7473

SHA1
c2620ac9522fa3702a6a03299b930d6044aa5e49

SHA256
cf5f5fe084f172e9c435615c1dc6ae7d3bd8c5ec8ea290caa0627c2f392760cb

SHA512
3653d41a0553ee63a43490f682c9b528651a6336f28adafc333d4d148577351122db8279ff83ee59bb0a9c17bb384e9f6c9c78677c8c5ed671a42036dec1f8c1

Download Submit
C:\Users\Admin\AppData\Local\FVWsIRS\XmlLite.dll

Filesize
720KB

MD5
5c306146d480992f4ca94cb6d4cb28a7

SHA1
a0f80ebf18a81b9fb2e6714a7688a5cd2f49384f

SHA256
6671e5decec24242959f35be5b47b840f547b42339e46c7ad7ee1773a86fee61

SHA512
078be88244d3919d8bc62e07f336da664b3d14af204bd2c8927ee0f0ed2aabdf3bad022e09c9b48263712cfc1261148b3f8a3d952f224d8b6c5867cfe597f7c2

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

Filesize
1KB

MD5
75ff4f46fac9b5827aa27e18d76248d2

SHA1
115fcfd3f190a9480e4053b5245a4916d7884310

SHA256
cb34010b7910cd91724bf27d70a3fa8969c28687c84678557330d35b2fb25db6

SHA512
a579c94a19bf731e4649bf80722744b3d46b71a5728770174850f0c498808084263589f829cc9283c99b2a6200049fc36b4844982bf36beffcd46966fbfc1dc0

Download Submit
memory/448-0-0x0000000001450000-0x0000000001457000-memory.dmp

Filesize
28KB

Download
memory/448-1-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/448-36-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3020-63-0x0000000140000000-0x00000001400F9000-memory.dmp

Filesize
996KB

Download
memory/3020-59-0x0000000140000000-0x00000001400F9000-memory.dmp

Filesize
996KB

Download
memory/3268-48-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/3268-44-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/3268-43-0x000002781CFB0000-0x000002781CFB7000-memory.dmp

Filesize
28KB

Download
memory/3528-24-0x00007FFD96110000-0x00007FFD96120000-memory.dmp

Filesize
64KB

Download
memory/3528-13-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-7-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-8-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-9-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-33-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-10-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-12-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-22-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-23-0x00007FFD96120000-0x00007FFD96130000-memory.dmp

Filesize
64KB

Download
memory/3528-21-0x0000000000BA0000-0x0000000000BA7000-memory.dmp

Filesize
28KB

Download
memory/3528-11-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-6-0x0000000140000000-0x00000001400B3000-memory.dmp

Filesize
716KB

Download
memory/3528-3-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

Filesize
4KB

Download
memory/3528-5-0x00007FFD94AFA000-0x00007FFD94AFB000-memory.dmp

Filesize
4KB

Download
memory/4224-78-0x0000000140000000-0x00000001400F9000-memory.dmp

Filesize
996KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads