74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 00:41

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General

Target

74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
Size

204KB
MD5

fec01093a986eca421cf16fe305b8fdc
SHA1

aeebb8899aa298bf8a949369f0fe122223a83149
SHA256

74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4
SHA512

066fb3ed08b16aa01f0a21ad2661c1ce7cda7c3eb817037a4fbf9be068224d37157406ee9336d2c83ca3e01830d8d6553b893cf7353c32836fc53dda578b7b9b
SSDEEP

3072:Q5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:QLexkuRaX41xoyJV65gzyZko+uc

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe,"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4296	svchost.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\3494e3ec = "L!“®Ì¥¸nÆð\n€\x04¼Wò\x05\u0090\x1eUTE\u008d¼¬ow—z\u0081iÃÃ¼GƒAû;!ea¹Q‘£+\fƒ{£çc³\x03ƒÛ«»ÁõmÓù\x13£›ƒä¡w=‘›îœ\x16“\x1b£A“³ëÕ»ã·ûÃ;©å‘Ì=D\x13«¡A\x16\rí»7©\x19‰‹Tlû“\x1bM§\rósƒDýcNIóžuD»Œù‰mv–ô»Sõ”ì[\x17C\x19¶Ó¡fï\f\u008d“SÌû§¾³n»Ë…ã³£Þ…9F…‹\x1emãvkkßsŸ\vƒIçþS“[iQÞ\x03\x0fìC«\fÕuV]Ý³\x03!—\u009d—s\u008dÝ§á±¬#\u00ad,ÔK{ÝóÓQä¯ì¹?G‹#‘“5\v¿\x19ó3«îÌ5K\u00adõ›Ž+Kc5Þ\u008dã"	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\3494e3ec = "L!“®Ì¥¸nÆð\n€\x04¼Wò\x05\u0090\x1eUTE\u008d¼¬ow—z\u0081iÃÃ¼GƒAû;!ea¹Q‘£+\fƒ{£çc³\x03ƒÛ«»ÁõmÓù\x13£›ƒä¡w=‘›îœ\x16“\x1b£A“³ëÕ»ã·ûÃ;©å‘Ì=D\x13«¡A\x16\rí»7©\x19‰‹Tlû“\x1bM§\rósƒDýcNIóžuD»Œù‰mv–ô»Sõ”ì[\x17C\x19¶Ó¡fï\f\u008d“SÌû§¾³n»Ë…ã³£Þ…9F…‹\x1emãvkkßsŸ\vƒIçþS“[iQÞ\x03\x0fìC«\fÕuV]Ý³\x03!—\u009d—s\u008dÝ§á±¬#\u00ad,ÔK{ÝóÓQä¯ì¹?G‹#‘“5\v¿\x19ó3«îÌ5K\u00adõ›Ž+Kc5Þ\u008dã"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe
4296	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 4296	2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe	86
PID 2800 wrote to memory of 4296	2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe	86
PID 2800 wrote to memory of 4296	2800	74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe	86

C:\Users\Admin\AppData\Local\Temp\74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe
"C:\Users\Admin\AppData\Local\Temp\74f585ada49b89c894a0a2208ab7a97d6b331fe04ce2fbfd2d69bd81f27f26f4.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYI0S376\login[1].htm

Filesize
168B

MD5
d57e3a550060f85d44a175139ea23021

SHA1
2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

SHA256
43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

SHA512
0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

Download Submit
C:\Users\Admin\AppData\Local\Temp\6967.tmp

Filesize
593B

MD5
3b03d93d3487806337b5c6443ce7a62d

SHA1
93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

SHA256
7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

SHA512
770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\6967.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
C:\Users\Admin\AppData\Local\Temp\87CB.tmp

Filesize
42KB

MD5
702ab60bdfdfbfbe8a3d323923440e32

SHA1
28d211a924bcd130b3fd4f4828a7dd853a893abd

SHA256
61bc6de6e2c012eea34be36cf764a3dd25b0c3a965ee7d3b639d2a6019fef617

SHA512
33815b18ac0a444e9e978e562493f4380d79b2786319c90ae76c2c0e73eb67de28e2150c9ffff04ce940a656debd42ede2c5f6496086a21b3081e1dde8bf4401

Download Submit
C:\Windows\apppatch\svchost.exe

Filesize
204KB

MD5
50a20f350412469a633075c632589a39

SHA1
f8a18b7ebecfcad1c48c825d9b0d46e2471c0d21

SHA256
a586909d4f9f7c83ede35d777ece4cc474947709f70104821843ec5aa4cf9628

SHA512
d14bc2df111cf01b10eb362cadf6446f8874fb57eb5925743c7c09830f08661c652caad1c8026c92a6ebbeda4ab51c30f880b2f627eca4ee854c742370a2d87a

Download Submit
memory/2800-0-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/2800-1-0x00000000022D0000-0x0000000002321000-memory.dmp

Filesize
324KB

Download
memory/2800-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2800-16-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2800-15-0x00000000022D0000-0x0000000002321000-memory.dmp

Filesize
324KB

Download
memory/2800-14-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/4296-62-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-54-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-19-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/4296-20-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-24-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-22-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-29-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-42-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-79-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-78-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-77-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-76-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-75-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-74-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-73-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-72-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-71-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-70-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-69-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-68-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-67-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-65-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-64-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-63-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-61-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-17-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/4296-60-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-59-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-58-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-57-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-55-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-18-0x0000000002AB0000-0x0000000002B58000-memory.dmp

Filesize
672KB

Download
memory/4296-53-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-52-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-51-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-50-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-49-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-48-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-47-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-46-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-45-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-43-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-41-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-40-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-39-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-38-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-37-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-36-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-35-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-34-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-33-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-32-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-31-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-30-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-28-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-27-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-26-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-66-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-56-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-13-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/4296-12-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/4296-25-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download
memory/4296-44-0x0000000002CA0000-0x0000000002D56000-memory.dmp

Filesize
728KB

Download