dridex | 943d4fc5d133c77195cc6890a2242901bc15b2d4ee602b95920606549966af3a

General

Target

943d4fc5d133c77195cc6890a2242901bc15b2d4ee602b95920606549966af3a.dll
Size

676KB
MD5

8872f507e943dddfbc1a37950c801fd6
SHA1

8fcec7153c1819828a6d17899029eab9e313f888
SHA256

943d4fc5d133c77195cc6890a2242901bc15b2d4ee602b95920606549966af3a
SHA512

3956325e9805bced8d537d4e06241b2db14446e3abb2ed085882454b5fb27f02110db5e1743e68efa4c082be2970b08b572e9690c8b06a171a0e94fc4fc7cb85
SSDEEP

6144:p34xznfAp4x+NWMqW/KZ1vCDTEpc2bysCZR6iwAtUnWKT5WK8Rpv1llfFfCRAuTF:pIKp/UWCZdCDh2IZDwAFRpR6Au

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/1196-4-0x0000000002E10000-0x0000000002E11000-memory.dmp	dridex_stager_shellcode

Dridex payload 12 IoCs

Detects Dridex x64 core DLL in memory.

botnet payload

Processes:

resource	yara_rule
behavioral1/memory/2500-0-0x000007FEF6F80000-0x000007FEF7029000-memory.dmp	dridex_payload
behavioral1/memory/1196-18-0x0000000140000000-0x00000001400A9000-memory.dmp	dridex_payload
behavioral1/memory/1196-26-0x0000000140000000-0x00000001400A9000-memory.dmp	dridex_payload
behavioral1/memory/1196-37-0x0000000140000000-0x00000001400A9000-memory.dmp	dridex_payload
behavioral1/memory/1196-38-0x0000000140000000-0x00000001400A9000-memory.dmp	dridex_payload
behavioral1/memory/2500-46-0x000007FEF6F80000-0x000007FEF7029000-memory.dmp	dridex_payload
behavioral1/memory/2028-56-0x000007FEF7030000-0x000007FEF70DA000-memory.dmp	dridex_payload
behavioral1/memory/2028-60-0x000007FEF7030000-0x000007FEF70DA000-memory.dmp	dridex_payload
behavioral1/memory/1996-73-0x000007FEF67E0000-0x000007FEF688B000-memory.dmp	dridex_payload
behavioral1/memory/1996-77-0x000007FEF67E0000-0x000007FEF688B000-memory.dmp	dridex_payload
behavioral1/memory/1620-89-0x000007FEF67E0000-0x000007FEF688A000-memory.dmp	dridex_payload
behavioral1/memory/1620-93-0x000007FEF67E0000-0x000007FEF688A000-memory.dmp	dridex_payload

Executes dropped EXE 3 IoCs

Processes:

wbengine.exemstsc.exeslui.exe

pid process

2028 wbengine.exe
1996 mstsc.exe
1620 slui.exe
Loads dropped DLL 7 IoCs

Processes:

wbengine.exemstsc.exeslui.exe

pid process

1196
2028 wbengine.exe
1196
1996 mstsc.exe
1196
1620 slui.exe
1196

pid	process
2028	wbengine.exe
1996	mstsc.exe
1620	slui.exe

pid	process
1196
2028	wbengine.exe
1196
1996	mstsc.exe
1196
1620	slui.exe
1196

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uuyszikihxbb = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\GGm2p6W\\mstsc.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exewbengine.exemstsc.exeslui.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	wbengine.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstsc.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	slui.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2500	rundll32.exe
2500	rundll32.exe
2500	rundll32.exe
1196
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1196
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1196
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1196

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	target process
PID 1196 wrote to memory of 2200	1196	wbengine.exe
PID 1196 wrote to memory of 2200	1196	wbengine.exe
PID 1196 wrote to memory of 2200	1196	wbengine.exe
PID 1196 wrote to memory of 2028	1196	wbengine.exe
PID 1196 wrote to memory of 2028	1196	wbengine.exe
PID 1196 wrote to memory of 2028	1196	wbengine.exe
PID 1196 wrote to memory of 2980	1196	mstsc.exe
PID 1196 wrote to memory of 2980	1196	mstsc.exe
PID 1196 wrote to memory of 2980	1196	mstsc.exe
PID 1196 wrote to memory of 1996	1196	mstsc.exe
PID 1196 wrote to memory of 1996	1196	mstsc.exe
PID 1196 wrote to memory of 1996	1196	mstsc.exe
PID 1196 wrote to memory of 2492	1196	slui.exe
PID 1196 wrote to memory of 2492	1196	slui.exe
PID 1196 wrote to memory of 2492	1196	slui.exe
PID 1196 wrote to memory of 1620	1196	slui.exe
PID 1196 wrote to memory of 1620	1196	slui.exe
PID 1196 wrote to memory of 1620	1196	slui.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\943d4fc5d133c77195cc6890a2242901bc15b2d4ee602b95920606549966af3a.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2500

C:\Windows\system32\wbengine.exe
C:\Windows\system32\wbengine.exe
1⤵
PID:2200

C:\Users\Admin\AppData\Local\fsz1DPZTs\wbengine.exe
C:\Users\Admin\AppData\Local\fsz1DPZTs\wbengine.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2028

C:\Windows\system32\mstsc.exe
C:\Windows\system32\mstsc.exe
1⤵
PID:2980

C:\Users\Admin\AppData\Local\qTT\mstsc.exe
C:\Users\Admin\AppData\Local\qTT\mstsc.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1996

C:\Windows\system32\slui.exe
C:\Windows\system32\slui.exe
1⤵
PID:2492

C:\Users\Admin\AppData\Local\CHDd\slui.exe
C:\Users\Admin\AppData\Local\CHDd\slui.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1620

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\CHDd\slc.dll

Filesize
680KB

MD5
2d1ba0c5a6fc55d3f2f6e193aa3688df

SHA1
262cf56362056bdd6b74a9a8df9aca48ce16b354

SHA256
88934cb3c0f1b1cca0bb24a03dfad2da4338dc4cd592bd09dd625431b5e4f669

SHA512
e961bdda86ae2e2e8a733d7647d779c899e46607539fdb7d0caa752e71de3db90938dc7d0a564a1166280084cdf11f9d322fc3d06dfdfaa8233d90992bd75ee4

Download Submit
C:\Users\Admin\AppData\Local\CHDd\slui.exe

Filesize
341KB

MD5
c5ce5ce799387e82b7698a0ee5544a6d

SHA1
ed37fdb169bb539271c117d3e8a5f14fd8df1c0d

SHA256
34aa7ca0ea833263a6883827e161a5c218576c5ad97e0ce386fad4250676b42c

SHA512
79453b45e1f38d164ee3dbc232f774ff121d4394c22783140f5c8c722f184a69f499f2fb9621bdb28f565065b791883526e1a1d4abef9df82289613c2ce97a5c

Download Submit
C:\Users\Admin\AppData\Local\fsz1DPZTs\XmlLite.dll

Filesize
680KB

MD5
c0b60ce0995cc7656982d74f02793d48

SHA1
f0d26c0d2646f5ba4ae392dc6c138dfddc09950e

SHA256
c8bd72b2d9bf4436143af1f86e8574f11466e6cf75bf608728a8792bba2441b3

SHA512
855cf39f3a416358c036c61278067a6a17c80247e9ebf48293ac9977e0acae74af15df40aa9173ecaab381bd1bdfcb87c734358b313b8db85512a7638cd7fa2e

Download Submit
C:\Users\Admin\AppData\Local\qTT\WINMM.dll

Filesize
684KB

MD5
5149a228bcc2dcbc337b0d7e6f1f1215

SHA1
37aff2fccca03a46647c9d5f7b65cfc65f0cbb9f

SHA256
93fc701e67b68fd648d327954044a7c5e079dfd32d9759bd5c0b54bdf2cd7a4c

SHA512
10ac109fd00a015cbf1e6f58ac37937ee503f6abbb5f6535029bef27ab0ec0bab2564a17c60a444a98f38085b76d08ea770bfb0ff280282b74ce42117dd7d657

Download Submit
C:\Users\Admin\AppData\Local\qTT\mstsc.exe

Filesize
1.1MB

MD5
50f739538ef014b2e7ec59431749d838

SHA1
b439762b8efe8cfb977e7374c11a7e4d8ed05eb3

SHA256
85c510c7fa8d64c70886ea01ec99e7b9064594f021a95b4cf88359421e732be3

SHA512
02e231ddc4ac012c597b9db42f8a77fbf35ca8253c030d443a0dd4db3d76a9ee1cced600f12d7bb06305e7a4da4a8fda980faad335adcb12738d80d453cb3cc8

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

Filesize
1KB

MD5
7a7a0cc7ef67107f22036306eef83027

SHA1
af991e8ec1885e9815ef97f2c674b4564ff955fc

SHA256
29c65b5f449741495a77453c18a42e6d666e8f4ea06dae361592ed7b77a9790d

SHA512
edaa003cb5964f0a2a6c0548e0c15c6baebf18d5306168da028d7ec616c02752827d97be27deca08caa5deba2256f29bf64c9b1c2af869323d76b18d8e2c5b42

Download Submit
\Users\Admin\AppData\Local\fsz1DPZTs\wbengine.exe

Filesize
1.4MB

MD5
78f4e7f5c56cb9716238eb57da4b6a75

SHA1
98b0b9db6ec5961dbb274eff433a8bc21f7e557b

SHA256
46a4e78ce5f2a4b26f4e9c3ff04a99d9b727a82ac2e390a82a1611c3f6e0c9af

SHA512
1a24ea71624dbbca188ee3b4812e09bc42e7d38ceac02b69940d7693475c792685a23141c8faa85a87ab6aace3f951c1a81facb610d757ac6df37cf2aa65ccd2

Download Submit
memory/1196-14-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-47-0x0000000077666000-0x0000000077667000-memory.dmp

Filesize
4KB

Download
memory/1196-15-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-3-0x0000000077666000-0x0000000077667000-memory.dmp

Filesize
4KB

Download
memory/1196-12-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-11-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-26-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-10-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-9-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-8-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-7-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-13-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-28-0x0000000077A00000-0x0000000077A02000-memory.dmp

Filesize
8KB

Download
memory/1196-27-0x00000000779D0000-0x00000000779D2000-memory.dmp

Filesize
8KB

Download
memory/1196-37-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-38-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-4-0x0000000002E10000-0x0000000002E11000-memory.dmp

Filesize
4KB

Download
memory/1196-16-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-17-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-25-0x0000000002AE0000-0x0000000002AE7000-memory.dmp

Filesize
28KB

Download
memory/1196-6-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1196-18-0x0000000140000000-0x00000001400A9000-memory.dmp

Filesize
676KB

Download
memory/1620-89-0x000007FEF67E0000-0x000007FEF688A000-memory.dmp

Filesize
680KB

Download
memory/1620-93-0x000007FEF67E0000-0x000007FEF688A000-memory.dmp

Filesize
680KB

Download
memory/1996-72-0x0000000000340000-0x0000000000347000-memory.dmp

Filesize
28KB

Download
memory/1996-73-0x000007FEF67E0000-0x000007FEF688B000-memory.dmp

Filesize
684KB

Download
memory/1996-77-0x000007FEF67E0000-0x000007FEF688B000-memory.dmp

Filesize
684KB

Download
memory/2028-60-0x000007FEF7030000-0x000007FEF70DA000-memory.dmp

Filesize
680KB

Download
memory/2028-56-0x000007FEF7030000-0x000007FEF70DA000-memory.dmp

Filesize
680KB

Download
memory/2028-55-0x0000000000100000-0x0000000000107000-memory.dmp

Filesize
28KB

Download
memory/2500-46-0x000007FEF6F80000-0x000007FEF7029000-memory.dmp

Filesize
676KB

Download
memory/2500-0-0x000007FEF6F80000-0x000007FEF7029000-memory.dmp

Filesize
676KB

Download
memory/2500-2-0x0000000000390000-0x0000000000397000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads