dridex | 7ecf0f43a5389996d85ecc78bd128506009eca558379d5fb8802037b35da1544

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 13:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7ecf0f43a5389996d85ecc78bd128506009eca558379d5fb8802037b35da1544.dll
Size

936KB
MD5

e6080347ef82059989855367f707b6f5
SHA1

af2f5c40bdd1b55fde1fab97d91e5e7e12733731
SHA256

7ecf0f43a5389996d85ecc78bd128506009eca558379d5fb8802037b35da1544
SHA512

6a58fb67a3cc61fdccbe8335309964d1c2d2cc9db2d1e47797fa0ba2de69631f71ba4499e9b65d921846832f33e358356ac917f836616d6a0d08209767f1c82b
SSDEEP

12288:DPVKLvdxQPKSoVXxTaGcb68Uzx2TBeOWhZJpK8:DtKTrsKSKBTSb6DUXWq8

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

resource	yara_rule
behavioral1/memory/1232-4-0x0000000002530000-0x0000000002531000-memory.dmp	dridex_stager_shellcode

Dridex payload 9 IoCs

Detects Dridex x64 core DLL in memory.

botnet payload

resource	yara_rule
behavioral1/memory/2676-0-0x0000000140000000-0x00000001400EA000-memory.dmp	dridex_payload
behavioral1/memory/1232-23-0x0000000140000000-0x00000001400EA000-memory.dmp	dridex_payload
behavioral1/memory/1232-34-0x0000000140000000-0x00000001400EA000-memory.dmp	dridex_payload
behavioral1/memory/1232-36-0x0000000140000000-0x00000001400EA000-memory.dmp	dridex_payload
behavioral1/memory/2676-43-0x0000000140000000-0x00000001400EA000-memory.dmp	dridex_payload
behavioral1/memory/3060-53-0x0000000140000000-0x00000001400EB000-memory.dmp	dridex_payload
behavioral1/memory/3060-57-0x0000000140000000-0x00000001400EB000-memory.dmp	dridex_payload
behavioral1/memory/2552-74-0x0000000140000000-0x00000001400EB000-memory.dmp	dridex_payload
behavioral1/memory/2056-90-0x0000000140000000-0x00000001400EB000-memory.dmp	dridex_payload

Executes dropped EXE 3 IoCs

pid	Process
3060	msra.exe
2552	slui.exe
2056	wusa.exe

Loads dropped DLL 7 IoCs

pid	Process
1232	Process not Found
3060	msra.exe
1232	Process not Found
2552	slui.exe
1232	Process not Found
2056	wusa.exe
1232	Process not Found

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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\\Microsoft\\Crypto\\RSA\\CAT0KZ8\\slui.exe"	Process not Found

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

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	msra.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	slui.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	wusa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2676	rundll32.exe
2676	rundll32.exe
2676	rundll32.exe
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found
1232	Process not Found

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 2656	1232	Process not Found	30
PID 1232 wrote to memory of 2656	1232	Process not Found	30
PID 1232 wrote to memory of 2656	1232	Process not Found	30
PID 1232 wrote to memory of 3060	1232	Process not Found	31
PID 1232 wrote to memory of 3060	1232	Process not Found	31
PID 1232 wrote to memory of 3060	1232	Process not Found	31
PID 1232 wrote to memory of 1680	1232	Process not Found	32
PID 1232 wrote to memory of 1680	1232	Process not Found	32
PID 1232 wrote to memory of 1680	1232	Process not Found	32
PID 1232 wrote to memory of 2552	1232	Process not Found	33
PID 1232 wrote to memory of 2552	1232	Process not Found	33
PID 1232 wrote to memory of 2552	1232	Process not Found	33
PID 1232 wrote to memory of 2456	1232	Process not Found	34
PID 1232 wrote to memory of 2456	1232	Process not Found	34
PID 1232 wrote to memory of 2456	1232	Process not Found	34
PID 1232 wrote to memory of 2056	1232	Process not Found	35
PID 1232 wrote to memory of 2056	1232	Process not Found	35
PID 1232 wrote to memory of 2056	1232	Process not Found	35

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\7ecf0f43a5389996d85ecc78bd128506009eca558379d5fb8802037b35da1544.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2676

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

C:\Users\Admin\AppData\Local\WGIhwoyb2\msra.exe
C:\Users\Admin\AppData\Local\WGIhwoyb2\msra.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3060

C:\Windows\system32\slui.exe
C:\Windows\system32\slui.exe
1⤵
PID:1680

C:\Users\Admin\AppData\Local\kzb5Os6\slui.exe
C:\Users\Admin\AppData\Local\kzb5Os6\slui.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2552

C:\Windows\system32\wusa.exe
C:\Windows\system32\wusa.exe
1⤵
PID:2456

C:\Users\Admin\AppData\Local\d2JNTG\wusa.exe
C:\Users\Admin\AppData\Local\d2JNTG\wusa.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2056

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\WGIhwoyb2\UxTheme.dll

Filesize
940KB

MD5
0c3bf4d204e5ded8bde773e5ae976111

SHA1
b637ea84be36e41328092ffb9e6f21fc5efe49df

SHA256
18cd58e03eabaad3058408a9f4a2abaa1b008cab08bfdff66ea99676039bcb0f

SHA512
4c69b086de1394a855414fa20f02d5af305786e2d56713f3a87a0ef87e92abd53f0ef1508c111bfae840def11c1e33519152782e9ec9b00bf61c4e64b2ef6c7d

Download Submit
C:\Users\Admin\AppData\Local\d2JNTG\WTSAPI32.dll

Filesize
940KB

MD5
a51872f2b9094d4c3b9c96e699428a9a

SHA1
5d22899f5ab5bdeb91680ade099d60e2fc37fad7

SHA256
cdd1acf5361bd48c13e273b827269ce0fd8f3db66ecbc92cc7cc67794f9fff69

SHA512
9a91821c8d1328a53bb668fa71ce38124f9a6d7823ae7d0e47ced296e7ff18c60ebeadf7a897923ca4a9f0bb31cd8b7b2b6d296481a33806484ab8269d615e53

Download Submit
C:\Users\Admin\AppData\Local\kzb5Os6\WINBRAND.dll

Filesize
940KB

MD5
2568fb9bef4179e3b12f98ef54cc46b0

SHA1
9208b8eabdedf81c57741eb02a3a0bfc03d08b2f

SHA256
98fdc8ef98ce19493f1ad851b566836cd303c38f17faa318b3040d918594c4c0

SHA512
de992f3618ac5b4b1f4bc725fac2f1dbfbfb90d874a79a169b982935528ecdbb3a31f2b6b40952adf1ed3fcceca7d90217125fe9433c28d9bc556ea236ed96db

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

Filesize
1KB

MD5
7a7eb45362331b2c0d55eb9fc7173e33

SHA1
5bdc844e3c414cf234c9399765f4d8eedf0f4f21

SHA256
0a448b1e9bc922e2bcd4dc6405e2b7c50aa7a41d28fcbc811d72499826457b07

SHA512
6b8939597e8d4eca47aa5b66a5e74efd99ee4197f81f14a7ad9c74c5c1aece1f849a2f6d48f07602682612d809838b8908af691cb3f3b338b4d575a13a977b3b

Download Submit
\Users\Admin\AppData\Local\WGIhwoyb2\msra.exe

Filesize
636KB

MD5
e79df53bad587e24b3cf965a5746c7b6

SHA1
87a97ec159a3fc1db211f3c2c62e4d60810e7a70

SHA256
4e7c22648acf664ab13dfeb2dc062ae90af1e6c621186981f395fb279bbc9b9d

SHA512
9a329c39ce0bc5aede01e96c4190cc7ccd17729fbc3a2b6df73057be8efaa3fa92cfef6e26a25bde6f7f94f64f6d6d0e4c5459aef2aead367e43178dd275acfb

Download Submit
\Users\Admin\AppData\Local\d2JNTG\wusa.exe

Filesize
300KB

MD5
c15b3d813f4382ade98f1892350f21c7

SHA1
a45c5abc6751bc8b9041e5e07923fa4fc1b4542b

SHA256
8f067da98eb3ea9f1db2f0063ff54e07d992fbf051779b467e222639be4127e3

SHA512
6d028fe81fe45d0ef291741513ecf939e412912647347d4d5bad89571f33e1084dc0fd26eb7313c7191f938c3f50243f453e2690e2475fc3f5539a20c2ff2f3c

Download Submit
\Users\Admin\AppData\Local\kzb5Os6\slui.exe

Filesize
341KB

MD5
c5ce5ce799387e82b7698a0ee5544a6d

SHA1
ed37fdb169bb539271c117d3e8a5f14fd8df1c0d

SHA256
34aa7ca0ea833263a6883827e161a5c218576c5ad97e0ce386fad4250676b42c

SHA512
79453b45e1f38d164ee3dbc232f774ff121d4394c22783140f5c8c722f184a69f499f2fb9621bdb28f565065b791883526e1a1d4abef9df82289613c2ce97a5c

Download Submit
memory/1232-24-0x0000000077370000-0x0000000077372000-memory.dmp

Filesize
8KB

Download
memory/1232-44-0x0000000077006000-0x0000000077007000-memory.dmp

Filesize
4KB

Download
memory/1232-14-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-13-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-12-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-23-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-10-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-8-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-25-0x00000000773A0000-0x00000000773A2000-memory.dmp

Filesize
8KB

Download
memory/1232-3-0x0000000077006000-0x0000000077007000-memory.dmp

Filesize
4KB

Download
memory/1232-34-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-36-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-4-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download
memory/1232-11-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-22-0x0000000002510000-0x0000000002517000-memory.dmp

Filesize
28KB

Download
memory/1232-7-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-6-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/1232-9-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/2056-90-0x0000000140000000-0x00000001400EB000-memory.dmp

Filesize
940KB

Download
memory/2552-69-0x0000000000290000-0x0000000000297000-memory.dmp

Filesize
28KB

Download
memory/2552-74-0x0000000140000000-0x00000001400EB000-memory.dmp

Filesize
940KB

Download
memory/2676-43-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/2676-0-0x0000000140000000-0x00000001400EA000-memory.dmp

Filesize
936KB

Download
memory/2676-2-0x0000000000190000-0x0000000000197000-memory.dmp

Filesize
28KB

Download
memory/3060-57-0x0000000140000000-0x00000001400EB000-memory.dmp

Filesize
940KB

Download
memory/3060-53-0x0000000140000000-0x00000001400EB000-memory.dmp

Filesize
940KB

Download
memory/3060-52-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download