233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177

Analysis

max time kernel
144s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2024 20:21

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General

Target

233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
Size

356KB
MD5

c6bf8dce10c797281105f773d87befd9
SHA1

b1c30f800c4b122b380e30f72e3eb4b8814f23a5
SHA256

233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177
SHA512

a30b28731f3a265e95e211374c27c629ce591636cf8f765e1aa1f4684d69130e9c5365bb2bcc026e4a79a8f07db90804a2673e0d656c4a215205a16a1f6ae274
SSDEEP

6144:p3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:+mWhND9yJz+b1FcMLmp2ATTSsd

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
2144	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\c94186a5 = "áIŸ\x142q¯Ôáä\u00a0\x0e\x10Cb*:»\x7fwÐAð»1\x04®©\x1dûIÒj¢\\‡.Çs¯0¨?Ëƒ\x16W ;p\|wÞvÔ\fKœŽ'^ $\x0eîHÊs#öC\fjd·\nWÓp_or¢ŸâokËÆ\x06þ’OŸÚˆ˜ÿvÎgïº\\zºrºØøª·œ\u008f€›\x1aØÈT/.öƒ×LŽ¢ÀãŠ\x17è³2:22«\x1bð×\x02ª¸ð´úÏ¨0d>r·£çD\x13jV¢\u0090Ÿsòl;:ÌR¿Ç„CêÈc\x03B×\x03(t\x13;êš˜\x1bð#jc³×šØßò˜êR023»0ËÔš+›ª2ÏÖc`®VB³[\x1fSú{ShÛ\nÃ"	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\c94186a5 = "áIŸ\x142q¯Ôáä\u00a0\x0e\x10Cb*:»\x7fwÐAð»1\x04®©\x1dûIÒj¢\\‡.Çs¯0¨?Ëƒ\x16W ;p\|wÞvÔ\fKœŽ'^ $\x0eîHÊs#öC\fjd·\nWÓp_or¢ŸâokËÆ\x06þ’OŸÚˆ˜ÿvÎgïº\\zºrºØøª·œ\u008f€›\x1aØÈT/.öƒ×LŽ¢ÀãŠ\x17è³2:22«\x1bð×\x02ª¸ð´úÏ¨0d>r·£çD\x13jV¢\u0090Ÿsòl;:ÌR¿Ç„CêÈc\x03B×\x03(t\x13;êš˜\x1bð#jc³×šØßò˜êR023»0ËÔš+›ª2ÏÖc`®VB³[\x1fSú{ShÛ\nÃ"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.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	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 2144	3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe	84
PID 3368 wrote to memory of 2144	3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe	84
PID 3368 wrote to memory of 2144	3368	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe	84

C:\Users\Admin\AppData\Local\Temp\233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
"C:\Users\Admin\AppData\Local\Temp\233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.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:3368
- 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:2144

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\FGWUB7UN\login[1].htm

Filesize
168B

MD5
d57e3a550060f85d44a175139ea23021

SHA1
2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

SHA256
43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

SHA512
0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

Download Submit
C:\Users\Admin\AppData\Local\Temp\2CA.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
C:\Users\Admin\AppData\Local\Temp\2D6F.tmp

Filesize
41KB

MD5
4a308246a391f9f2327f92033f3c62ff

SHA1
c4ca975c7b0ec657acc7039b60f1ae286fe0f483

SHA256
752244dec96d9fc04eba2fd502a6ee8445646783bb2b8cb6f682b1b4c39fee62

SHA512
9327420dc1eb3c64767a7d58e651dca54f62d54084d81835381b4b77e179ff0f950e1d40a5f2aece293b102e42a37a7d875969da7cd28462a7ec94b564970b2c

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

Filesize
356KB

MD5
416bf4a563d439486734af67e0f08887

SHA1
d5ced59db2d1720507d8569a3467ae797988c53a

SHA256
f37431b935f038900adf6329138bde403d25c53eb17a305e9a7f8dbac738673f

SHA512
e41f1dfb298cc96bf4129f207e32e05d18eb41b76454c0f9ee7659f2f2e526aa24cb201d964b0f46ef05c4c4cefe36087142bbe32da54364ea380f5f2f044b8f

Download Submit
memory/2144-50-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-36-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-45-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-13-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-49-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-34-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-67-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-72-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-71-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-70-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-69-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-68-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-66-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-65-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-64-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-62-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-63-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-61-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-60-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-58-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-57-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-56-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-55-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-54-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-53-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-52-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-51-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-10-0x0000000002720000-0x00000000027C8000-memory.dmp

Filesize
672KB

Download
memory/2144-59-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-46-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-15-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-11-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-31-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-20-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-43-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-42-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-41-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-40-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-39-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-38-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-37-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-35-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-33-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-32-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-30-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-29-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-28-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-27-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-26-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-25-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-24-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-23-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-22-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-21-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-19-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-17-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-47-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-44-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-18-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-16-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2144-283-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/3368-9-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download