dridex | 6a97f1622c6915d1d477b97abd9977a2c49bb49a12c8bb38d43ffef5d91ff0c2

General

Target

32c1af30f0f5b0081b6523c5aaf5b099_JaffaCakes118.dll
Size

996KB
MD5

32c1af30f0f5b0081b6523c5aaf5b099
SHA1

0859743d3d53acf62ea5a8e005deb4bc9f106664
SHA256

6a97f1622c6915d1d477b97abd9977a2c49bb49a12c8bb38d43ffef5d91ff0c2
SHA512

6340b8e7a8eaf787e863a82c3b3202411e6e43965ded038f0057a11fcbdc03034e73dbb38e08de68f24ffd17d002b24d36d654a6ded6e354f895e1e563578e0d
SSDEEP

24576:9VHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8:9V8hf6STw1ZlQauvzSq01ICe6zvm

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/3552-4-0x00000000079F0000-0x00000000079F1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

sdclt.exeLicensingUI.exeWFS.exe

pid process

2776 sdclt.exe
2940 LicensingUI.exe
2412 WFS.exe
Loads dropped DLL 3 IoCs

Processes:

sdclt.exeLicensingUI.exeWFS.exe

pid process

2776 sdclt.exe
2940 LicensingUI.exe
2412 WFS.exe

pid	process
2776	sdclt.exe
2940	LicensingUI.exe
2412	WFS.exe

pid	process
2776	sdclt.exe
2940	LicensingUI.exe
2412	WFS.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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Eeaxmqtu = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\3Ed78\\LicensingUI.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exesdclt.exeLicensingUI.exeWFS.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	sdclt.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	LicensingUI.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	WFS.exe

Modifies registry class 1 IoCs

Processes:

description ioc process

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

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
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
3552
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3552

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

3552
3552
Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3552

pid	process
3552
3552

pid	process
3552

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	target process
PID 3552 wrote to memory of 3648	3552	sdclt.exe
PID 3552 wrote to memory of 3648	3552	sdclt.exe
PID 3552 wrote to memory of 2776	3552	sdclt.exe
PID 3552 wrote to memory of 2776	3552	sdclt.exe
PID 3552 wrote to memory of 3456	3552	LicensingUI.exe
PID 3552 wrote to memory of 3456	3552	LicensingUI.exe
PID 3552 wrote to memory of 2940	3552	LicensingUI.exe
PID 3552 wrote to memory of 2940	3552	LicensingUI.exe
PID 3552 wrote to memory of 5060	3552	WFS.exe
PID 3552 wrote to memory of 5060	3552	WFS.exe
PID 3552 wrote to memory of 2412	3552	WFS.exe
PID 3552 wrote to memory of 2412	3552	WFS.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\32c1af30f0f5b0081b6523c5aaf5b099_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4540

C:\Windows\system32\sdclt.exe
C:\Windows\system32\sdclt.exe
1⤵
PID:3648

C:\Users\Admin\AppData\Local\x4eAG6mbS\sdclt.exe
C:\Users\Admin\AppData\Local\x4eAG6mbS\sdclt.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2776

C:\Windows\system32\LicensingUI.exe
C:\Windows\system32\LicensingUI.exe
1⤵
PID:3456

C:\Users\Admin\AppData\Local\IfY\LicensingUI.exe
C:\Users\Admin\AppData\Local\IfY\LicensingUI.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2940

C:\Windows\system32\WFS.exe
C:\Windows\system32\WFS.exe
1⤵
PID:5060

C:\Users\Admin\AppData\Local\RHk\WFS.exe
C:\Users\Admin\AppData\Local\RHk\WFS.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2412

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\IfY\DUI70.dll
Filesize
1.2MB

MD5
495590ed713f63b4aef3fe4e22f1d578

SHA1
2955aec7af117775c38e427a3f7178c58331e182

SHA256
90be3076c83dc5040fb69f46c87f13f973ac5531d9c6bc2b8678f4f9044fc14f

SHA512
ef6fe2f01fc861ee0aa52d0ffd57434dcb344cad766d8dc36ef953c5a32692371c9059feea698922bf1ec0ac4ddcf9daba76ca0f5458edc57bd4410c12fbd943

Download Submit
C:\Users\Admin\AppData\Local\IfY\LicensingUI.exe
Filesize
142KB

MD5
8b4abc637473c79a003d30bb9c7a05e5

SHA1
d1cab953c16d4fdec2b53262f56ac14a914558ca

SHA256
0e9eb89aa0df9bb84a8f11b0bb3e9d89905355de34c91508968b4cb78bc3f6c5

SHA512
5a40c846c5b3a53ae09114709239d8238c322a7d3758b20ed3fc8e097fc1409f62b4990557c1192e894eabfa89741a9d88bd5175850d039b97dfdf380d1c6eeb

Download Submit
C:\Users\Admin\AppData\Local\RHk\UxTheme.dll
Filesize
999KB

MD5
1658fb55538f5c11a2d25fd5c3505dbe

SHA1
e0ceaa77baa81caafa79126fdf70643eb911d1a2

SHA256
d4f612c066897b71fe5ea74da586db2fd7b3580b0cf419670e133cfdf257a078

SHA512
de5100c0f7d715bf60dfff946e0d9bda02bcbefd12f55166f868cc39d0dda91afd9bfaa2e89be9a86c7046847ed5b3d42b825f1fd8442e9aa18fd9b5ef7cde2a

Download Submit
C:\Users\Admin\AppData\Local\RHk\WFS.exe
Filesize
944KB

MD5
3cbc8d0f65e3db6c76c119ed7c2ffd85

SHA1
e74f794d86196e3bbb852522479946cceeed7e01

SHA256
e23e4182efe7ed61aaf369696e1ce304c3818df33d1663872b6d3c75499d81f4

SHA512
26ae5845a804b9eb752078f1ffa80a476648a8a9508b4f7ba56c94acd4198f3ba59c77add4feb7e0420070222af56521ca5f6334f466d5db272c816930513f0a

Download Submit
C:\Users\Admin\AppData\Local\x4eAG6mbS\sdclt.exe
Filesize
1.2MB

MD5
e09d48f225e7abcab14ebd3b8a9668ec

SHA1
1c5b9322b51c09a407d182df481609f7cb8c425d

SHA256
efd238ea79b93d07852d39052f1411618c36e7597e8af0966c4a3223f0021dc3

SHA512
384d606b90c4803e5144b4de24edc537cb22dd59336a18a58d229500ed36aec92c8467cae6d3f326647bd044d8074931da553c7809727fb70227e99c257df0b4

Download Submit
C:\Users\Admin\AppData\Local\x4eAG6mbS\wer.dll
Filesize
1001KB

MD5
4c96ed085587ea28e26ba633b78fa0ed

SHA1
a8b2408e86c5d70f22d53469ab00bcd14a193b92

SHA256
5a91d1fa9c395f7576392d836d52308a7e18edd6bbaa6c922ae8ad0e5843f515

SHA512
575e52608eb193c5978f717c93fe22bd4b590f3f30731e6a14db845e05b9e7734f2a41b8582a84e30c31d725189886b15bf4ca97bc0cedb692ea274ee32edce2

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

MD5
eeeb09555348308eef1a9faaec6b5f03

SHA1
385fb39e6640a48d76e67ea67b8765bcee8f13a4

SHA256
7b82f88146c88921964689f0da63cdced8de34267c868b7b89271be2dee50238

SHA512
ff1aee20c4a9a77a3f9d54db3783a027ab36c5b5b4891ad8731d754810297672c725dfa925b529cc1726cf62db23442cf11f5617a60c98b6ed64d40341e457e2

Download Submit
memory/2412-84-0x0000000140000000-0x00000001400FE000-memory.dmp

Filesize
1016KB

Download
memory/2412-81-0x0000028E25690000-0x0000028E25697000-memory.dmp

Filesize
28KB

Download
memory/2412-78-0x0000000140000000-0x00000001400FE000-memory.dmp

Filesize
1016KB

Download
memory/2776-50-0x0000000140000000-0x00000001400FF000-memory.dmp

Filesize
1020KB

Download
memory/2776-44-0x0000000140000000-0x00000001400FF000-memory.dmp

Filesize
1020KB

Download
memory/2776-47-0x000002BE4F040000-0x000002BE4F047000-memory.dmp

Filesize
28KB

Download
memory/2940-61-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2940-64-0x000001EC4B910000-0x000001EC4B917000-memory.dmp

Filesize
28KB

Download
memory/2940-67-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/3552-13-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-22-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-6-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-7-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-8-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-9-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-11-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-10-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-12-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-4-0x00000000079F0000-0x00000000079F1000-memory.dmp

Filesize
4KB

Download
memory/3552-34-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3552-23-0x00007FF9B898A000-0x00007FF9B898B000-memory.dmp

Filesize
4KB

Download
memory/3552-33-0x00007FF9BA670000-0x00007FF9BA680000-memory.dmp

Filesize
64KB

Download
memory/3552-24-0x00000000079D0000-0x00000000079D7000-memory.dmp

Filesize
28KB

Download
memory/4540-37-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/4540-1-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/4540-3-0x000001DFE5B00000-0x000001DFE5B07000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads