dridex | 87f7e4782faff19b704c3881d94a1ba35fefd2ffe10b55399af5a9ca43227447

General

Target

87f7e4782faff19b704c3881d94a1ba35fefd2ffe10b55399af5a9ca43227447.dll
Size

692KB
MD5

65411740b33c7475d67552a92d3c4054
SHA1

d1191e086f3faa2f2168a28eac66d7360c94d5e9
SHA256

87f7e4782faff19b704c3881d94a1ba35fefd2ffe10b55399af5a9ca43227447
SHA512

3bdb279bba9946af41d4bccc9b2bed4c8f37fc03d0cc53d0845311645ba39d6a30ca0e8d6bbe7bc8a1d94c8cacaeb8f515686b226e59b8ec06f6d6242c85fb03
SSDEEP

12288:cqJ4FzHTx8cOjEIonNgQLtXKFg2t/KRi4Baed:cqGBHTxvt+g2gYed

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
behavioral1/memory/1232-4-0x0000000002D80000-0x0000000002D81000-memory.dmp	dridex_stager_shellcode

Dridex payload 9 IoCs

Detects Dridex x64 core DLL in memory.

botnet payload

Processes:

resource	yara_rule
behavioral1/memory/2256-0-0x0000000140000000-0x00000001400AD000-memory.dmp	dridex_payload
behavioral1/memory/1232-22-0x0000000140000000-0x00000001400AD000-memory.dmp	dridex_payload
behavioral1/memory/1232-33-0x0000000140000000-0x00000001400AD000-memory.dmp	dridex_payload
behavioral1/memory/1232-35-0x0000000140000000-0x00000001400AD000-memory.dmp	dridex_payload
behavioral1/memory/2256-42-0x0000000140000000-0x00000001400AD000-memory.dmp	dridex_payload
behavioral1/memory/2612-52-0x0000000140000000-0x00000001400AE000-memory.dmp	dridex_payload
behavioral1/memory/2612-56-0x0000000140000000-0x00000001400AE000-memory.dmp	dridex_payload
behavioral1/memory/352-73-0x0000000140000000-0x00000001400AE000-memory.dmp	dridex_payload
behavioral1/memory/2880-89-0x0000000140000000-0x00000001400AE000-memory.dmp	dridex_payload

Executes dropped EXE 3 IoCs

Processes:

spreview.exeperfmon.exeSystemPropertiesHardware.exe

pid process

2612 spreview.exe
352 perfmon.exe
2880 SystemPropertiesHardware.exe
Loads dropped DLL 7 IoCs

Processes:

spreview.exeperfmon.exeSystemPropertiesHardware.exe

pid process

1232
2612 spreview.exe
1232
352 perfmon.exe
1232
2880 SystemPropertiesHardware.exe
1232

pid	process
2612	spreview.exe
352	perfmon.exe
2880	SystemPropertiesHardware.exe

pid	process
1232
2612	spreview.exe
1232
352	perfmon.exe
1232
2880	SystemPropertiesHardware.exe
1232

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kccgsbu = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SystemCertificates\\My\\CTLs\\TA\\perfmon.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exespreview.exeperfmon.exeSystemPropertiesHardware.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	spreview.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	perfmon.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SystemPropertiesHardware.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	target process
PID 1232 wrote to memory of 2000	1232	spreview.exe
PID 1232 wrote to memory of 2000	1232	spreview.exe
PID 1232 wrote to memory of 2000	1232	spreview.exe
PID 1232 wrote to memory of 2612	1232	spreview.exe
PID 1232 wrote to memory of 2612	1232	spreview.exe
PID 1232 wrote to memory of 2612	1232	spreview.exe
PID 1232 wrote to memory of 1496	1232	perfmon.exe
PID 1232 wrote to memory of 1496	1232	perfmon.exe
PID 1232 wrote to memory of 1496	1232	perfmon.exe
PID 1232 wrote to memory of 352	1232	perfmon.exe
PID 1232 wrote to memory of 352	1232	perfmon.exe
PID 1232 wrote to memory of 352	1232	perfmon.exe
PID 1232 wrote to memory of 3000	1232	SystemPropertiesHardware.exe
PID 1232 wrote to memory of 3000	1232	SystemPropertiesHardware.exe
PID 1232 wrote to memory of 3000	1232	SystemPropertiesHardware.exe
PID 1232 wrote to memory of 2880	1232	SystemPropertiesHardware.exe
PID 1232 wrote to memory of 2880	1232	SystemPropertiesHardware.exe
PID 1232 wrote to memory of 2880	1232	SystemPropertiesHardware.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\87f7e4782faff19b704c3881d94a1ba35fefd2ffe10b55399af5a9ca43227447.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2256

C:\Windows\system32\spreview.exe
C:\Windows\system32\spreview.exe
1⤵
PID:2000

C:\Users\Admin\AppData\Local\sjwAnG\spreview.exe
C:\Users\Admin\AppData\Local\sjwAnG\spreview.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2612

C:\Windows\system32\perfmon.exe
C:\Windows\system32\perfmon.exe
1⤵
PID:1496

C:\Users\Admin\AppData\Local\ZUpC\perfmon.exe
C:\Users\Admin\AppData\Local\ZUpC\perfmon.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:352

C:\Windows\system32\SystemPropertiesHardware.exe
C:\Windows\system32\SystemPropertiesHardware.exe
1⤵
PID:3000

C:\Users\Admin\AppData\Local\IjJ0s\SystemPropertiesHardware.exe
C:\Users\Admin\AppData\Local\IjJ0s\SystemPropertiesHardware.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2880

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\IjJ0s\SYSDM.CPL

Filesize
696KB

MD5
a4de876f1524b4c828545d7ec61fc883

SHA1
4509f42ad82dab6ac9a5a827d410a4f56ec6b684

SHA256
e6f11734d4651383a450e80511ad1f54ae130bf4485087aa4f89558bb7711e83

SHA512
69314b355e0e4993a108e845df36aceb0158e778fe399c5e1068c37056d30afa07640de41f009477f4c07f53329c863bfe456ea8f77614147c90c4a3a6d047a7

Download Submit
C:\Users\Admin\AppData\Local\ZUpC\Secur32.dll

Filesize
696KB

MD5
0da61d1a0ba52e5dcd150bc6c7783ac3

SHA1
226cfe2c0c83821077233a4b6130c85ba603a0df

SHA256
999530410761a07363f9876865df66dbb06c06ebc1163782a532b5dc4d23cd96

SHA512
35be08ae1c3dd46fad76792c82fb440fdb633ad37593d7b3c85cef73f9faf21327a6489b1f14dca81b6c5a926f23ff233a5ff9b9c18157e8a37a81db5e93aa1d

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

Filesize
696KB

MD5
965398f6768a6c7a2ed72b4615623545

SHA1
06e9546344d964250ad66046490fa31a6fffcf06

SHA256
f5ce65d8db12d9db8a8c8a9b37675b83fe2b610bcc27c6e3899a9a4218fdb056

SHA512
a55a2916d9c4244c2232dd24978bc4cac6ec9d9aaf4b3d2c01ebd78f0c17bb501da4cb267bf6afa618445454d32a0d9a1fd2352725653e3ee42746eb8e38b2ee

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

Filesize
1KB

MD5
6f40adb374239d193841720cf482809f

SHA1
6c3576bac582ae295aa35ee0c40ff194ccc71a69

SHA256
91d0355556f9ce14c0cef054e911b114f1d57d1d72ee1a65520801ab6a723a30

SHA512
6ad6ea6eacd315b77037b638a2541e179f3f7b83ea8a3d39fdf8c089a567f7cc5436d7a567a568d83451503de2261b6cf4b025b3e41aa40084b2736308838ed6

Download Submit
\Users\Admin\AppData\Local\IjJ0s\SystemPropertiesHardware.exe

Filesize
80KB

MD5
c63d722641c417764247f683f9fb43be

SHA1
948ec61ebf241c4d80efca3efdfc33fe746e3b98

SHA256
4759296b421d60c80db0bb112a30425e04883900374602e13ed97f7c03a49df2

SHA512
7223d1c81a4785ed790ec2303d5d9d7ebcae9404d7bf173b3145e51202564de9977e94ac10ab80c6fe49b5f697af3ec70dfd922a891915e8951b5a1b5841c8be

Download Submit
\Users\Admin\AppData\Local\ZUpC\perfmon.exe

Filesize
168KB

MD5
3eb98cff1c242167df5fdbc6441ce3c5

SHA1
730b27a1c92e8df1e60db5a6fc69ea1b24f68a69

SHA256
6d8d5a244bb5a23c95653853fec3d04d2bdd2df5cff8cffb9848bddeb6adb081

SHA512
f42be2a52d97fd1db2ed5a1a1a81a186a0aab41204980a103df33a4190632ba03f3cbb88fcea8da7ed9a5e15f60732d49a924b025fe6d3e623195ec1d37dfb35

Download Submit
\Users\Admin\AppData\Local\sjwAnG\spreview.exe

Filesize
294KB

MD5
704cd4cac010e8e6d8de9b778ed17773

SHA1
81856abf70640f102b8b3defe2cf65669fe8e165

SHA256
4307f21d3ec3b51cba6a905a80045314ffccb4c60c11d99a3d77cc8103014208

SHA512
b380264276bad01d619a5f1f112791d6bf73dc52cdd5cca0cc1f726a6f66eefc5a78a37646792987c508f9cb5049f0eb86c71fb4c7a2d3e670c0c8623f0522ee

Download Submit
memory/352-73-0x0000000140000000-0x00000001400AE000-memory.dmp

Filesize
696KB

Download
memory/352-68-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download
memory/1232-33-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-11-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-13-0x0000000002D60000-0x0000000002D67000-memory.dmp

Filesize
28KB

Download
memory/1232-14-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-22-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-24-0x0000000077640000-0x0000000077642000-memory.dmp

Filesize
8KB

Download
memory/1232-23-0x0000000077610000-0x0000000077612000-memory.dmp

Filesize
8KB

Download
memory/1232-3-0x00000000773A6000-0x00000000773A7000-memory.dmp

Filesize
4KB

Download
memory/1232-35-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-4-0x0000000002D80000-0x0000000002D81000-memory.dmp

Filesize
4KB

Download
memory/1232-43-0x00000000773A6000-0x00000000773A7000-memory.dmp

Filesize
4KB

Download
memory/1232-12-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-7-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-6-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-9-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-8-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/1232-10-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/2256-42-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/2256-0-0x0000000140000000-0x00000001400AD000-memory.dmp

Filesize
692KB

Download
memory/2256-2-0x0000000000320000-0x0000000000327000-memory.dmp

Filesize
28KB

Download
memory/2612-56-0x0000000140000000-0x00000001400AE000-memory.dmp

Filesize
696KB

Download
memory/2612-52-0x0000000140000000-0x00000001400AE000-memory.dmp

Filesize
696KB

Download
memory/2612-51-0x0000000000230000-0x0000000000237000-memory.dmp

Filesize
28KB

Download
memory/2880-89-0x0000000140000000-0x00000001400AE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads