dridex | 7bf840ca70c270a4d2ffdfa43d0cdc99dbce46c021d3487cff99b7326dbf121d

General

Target

48261eb1530a4239ebb56bb5bc9aa217_JaffaCakes118.dll
Size

1.2MB
MD5

48261eb1530a4239ebb56bb5bc9aa217
SHA1

cda82eb1ede80e356c15219eae4750b995cd2803
SHA256

7bf840ca70c270a4d2ffdfa43d0cdc99dbce46c021d3487cff99b7326dbf121d
SHA512

f0a98c79ddfa49e85ee1f69fcf8ef3eaefd76ae1c45b7a9e566e8da19263c9ece413c3367e6325b7604789668384acc28060d3e2f0fea92ed7992714f7c53fa4
SSDEEP

24576:BVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8K:BV8hf6STw1ZlQauvzSq01ICe6zvmV

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/3420-4-0x0000000002570000-0x0000000002571000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

wlrmdr.exemblctr.exeSppExtComObj.Exe

pid process

2708 wlrmdr.exe
812 mblctr.exe
3896 SppExtComObj.Exe
Loads dropped DLL 3 IoCs

Processes:

wlrmdr.exemblctr.exeSppExtComObj.Exe

pid process

2708 wlrmdr.exe
812 mblctr.exe
3896 SppExtComObj.Exe

pid	process
2708	wlrmdr.exe
812	mblctr.exe
3896	SppExtComObj.Exe

pid	process
2708	wlrmdr.exe
812	mblctr.exe
3896	SppExtComObj.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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pruztwesow = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Windows\\STARTM~1\\Programs\\ACCESS~2\\LUA\\mblctr.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

SppExtComObj.Exerundll32.exewlrmdr.exemblctr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SppExtComObj.Exe
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	wlrmdr.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mblctr.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2064	rundll32.exe
2064	rundll32.exe
2064	rundll32.exe
2064	rundll32.exe
3420
3420
3420
3420
3420
3420
3420
3420
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3420
3420
3420
3420
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3420
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3420

Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3420

pid	process
3420

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	target process
PID 3420 wrote to memory of 3840	3420	wlrmdr.exe
PID 3420 wrote to memory of 3840	3420	wlrmdr.exe
PID 3420 wrote to memory of 2708	3420	wlrmdr.exe
PID 3420 wrote to memory of 2708	3420	wlrmdr.exe
PID 3420 wrote to memory of 3444	3420	mblctr.exe
PID 3420 wrote to memory of 3444	3420	mblctr.exe
PID 3420 wrote to memory of 812	3420	mblctr.exe
PID 3420 wrote to memory of 812	3420	mblctr.exe
PID 3420 wrote to memory of 4124	3420	SppExtComObj.Exe
PID 3420 wrote to memory of 4124	3420	SppExtComObj.Exe
PID 3420 wrote to memory of 3896	3420	SppExtComObj.Exe
PID 3420 wrote to memory of 3896	3420	SppExtComObj.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\48261eb1530a4239ebb56bb5bc9aa217_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2064

C:\Windows\system32\wlrmdr.exe
C:\Windows\system32\wlrmdr.exe
1⤵
PID:3840

C:\Users\Admin\AppData\Local\vSEc837tU\wlrmdr.exe
C:\Users\Admin\AppData\Local\vSEc837tU\wlrmdr.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2708

C:\Windows\system32\mblctr.exe
C:\Windows\system32\mblctr.exe
1⤵
PID:3444

C:\Users\Admin\AppData\Local\h2C\mblctr.exe
C:\Users\Admin\AppData\Local\h2C\mblctr.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:812

C:\Windows\system32\SppExtComObj.Exe
C:\Windows\system32\SppExtComObj.Exe
1⤵
PID:4124

C:\Users\Admin\AppData\Local\Y58pMka\SppExtComObj.Exe
C:\Users\Admin\AppData\Local\Y58pMka\SppExtComObj.Exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3896

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\Y58pMka\ACTIVEDS.dll

Filesize
1.2MB

MD5
570a1ef7a514e385707a0113f26882f4

SHA1
54ac9d41f654f6cc42326307ac836981a4371ca0

SHA256
98027d643a15c31c1f5394da5ecfb71f49cfeb1bef2f5491e2d45bee627f95e0

SHA512
1e73bfe3b3ebfda6f2f899807c922890674a621b4fc09842e63969278534ec28345623684fe4f97503aebcd931211fee19de8e259355d84499df75679a6ed9d6

Download Submit
C:\Users\Admin\AppData\Local\Y58pMka\SppExtComObj.Exe

Filesize
559KB

MD5
728a78909aa69ca0e976e94482350700

SHA1
6508dfcbf37df25cae8ae68cf1fcd4b78084abb7

SHA256
2a6581576305771044f07ea0fef27f77859996dbf66c2017e938f90bfc1e010c

SHA512
22bf985e71afa58a1365cc733c0aa03dabd4b44e7c6a136eb5f9b870db14470201b4ef88a19fa3864af6c44e79e1a01d6f8806062d9d4861ba7dac77d82074f1

Download Submit
C:\Users\Admin\AppData\Local\h2C\WTSAPI32.dll

Filesize
1.2MB

MD5
f65cfb756d1aba00927b918120befc4b

SHA1
82d01af041be09bddb7ba5065792cdf21b8e09ee

SHA256
2fb2d1f13b8654b06ff1ca71639355fc5b964bbc90c1bebaf3172fb6fe2d1ce4

SHA512
2184211e374de1396fdbf62adb735cb85d302432f45c58a783d2fb4b45ba96d616ae2ddf4964ba163f9066dc8eea5d4dd610e3cab10b6d89dffcd8e3ee6ece3a

Download Submit
C:\Users\Admin\AppData\Local\h2C\mblctr.exe

Filesize
790KB

MD5
d3db14eabb2679e08020bcd0c96fa9f6

SHA1
578dca7aad29409634064579d269e61e1f07d9dd

SHA256
3baa1dc0756ebb0c2c70a31be7147863d8d8ba056c1aa7f979307f8790d1ff69

SHA512
14dc895ae458ff0ca13d9c27aa5b4cfc906d338603d43389bb5f4429be593a587818855d1fe938f9ebebf46467fb0c1ab28247e8f9f5357098e8b822ecd8fffe

Download Submit
C:\Users\Admin\AppData\Local\vSEc837tU\DUI70.dll

Filesize
1.5MB

MD5
6eaa1e8f897a740e9faa8a5208818199

SHA1
909bb7bae4995d80a1f2ed242dfa3e49e036c832

SHA256
fafc50c94983b923182ae73c805d2848124fe6a46e0cf60d164b9463f04ba864

SHA512
75933bcbe0ab87bf76cbd4da778b591f1c93308f79bbcaaa2d6472c9c411146db32843ad819c00086ca766f35e52caa61e935c8018a96799c9284e2f657aabf6

Download Submit
C:\Users\Admin\AppData\Local\vSEc837tU\wlrmdr.exe

Filesize
66KB

MD5
ef9bba7a637a11b224a90bf90a8943ac

SHA1
4747ec6efd2d41e049159249c2d888189bb33d1d

SHA256
2fda95aafb2e9284c730bf912b93f60a75b151941adc14445ed1e056140325b1

SHA512
4c1fdb8e4bf25546a2a33c95268593746f5ae2666ce36c6d9ba5833357f13720c4722231224e82308af8c156485a2c86ffd97e3093717a28d1300d3787ef1831

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

Filesize
1KB

MD5
919c2094f42a6085c16c6882b965b75d

SHA1
ac50a0b5c6b53d196443abca1c78e24bf4cfb091

SHA256
f1274126f09a458435d224f2de5f1a409db473b5b23136697f602e6d6a2eaa71

SHA512
c6207c3a721156a6dbf40fcc81627c3e3d66f58ae8c6296de5fedf56b83314d5893d78c05f5a9ba850e4a3b81e4fb7c0952f009677a4afd974f1e1141515cf0c

Download Submit
memory/812-68-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/812-65-0x000001FDFCB90000-0x000001FDFCB97000-memory.dmp

Filesize
28KB

Download
memory/812-62-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2064-0-0x000002A7E6B60000-0x000002A7E6B67000-memory.dmp

Filesize
28KB

Download
memory/2064-38-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/2064-1-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/2708-51-0x0000000140000000-0x0000000140188000-memory.dmp

Filesize
1.5MB

Download
memory/2708-48-0x0000024187A30000-0x0000024187A37000-memory.dmp

Filesize
28KB

Download
memory/2708-45-0x0000000140000000-0x0000000140188000-memory.dmp

Filesize
1.5MB

Download
memory/3420-9-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-11-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-32-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-33-0x00007FFEB469A000-0x00007FFEB469B000-memory.dmp

Filesize
4KB

Download
memory/3420-34-0x0000000000880000-0x0000000000887000-memory.dmp

Filesize
28KB

Download
memory/3420-35-0x00007FFEB6270000-0x00007FFEB6280000-memory.dmp

Filesize
64KB

Download
memory/3420-14-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-7-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-8-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-23-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-12-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-13-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-6-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-10-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/3420-4-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/3896-85-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/3896-82-0x00000155D5A40000-0x00000155D5A47000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads