4aa45ab51b90dc65383ea4731d0ef6a024956172d515851e589d43e06575d1fa

Analysis

max time kernel
117s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 06:56

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General

Target

61107727db4318f052cc0feeb3451a40N.exe
Size

218KB
MD5

61107727db4318f052cc0feeb3451a40
SHA1

9d35ec57faec9acc010b6b5cd2ef5d6f83a124e8
SHA256

4aa45ab51b90dc65383ea4731d0ef6a024956172d515851e589d43e06575d1fa
SHA512

5330a6c364f86fdcbfb3d253b553e6e81dda7489154c7299a2c811f975f655ca6e9c49e2d39d17aa8e2c9282b299783663bed4fc6e09b46cc7fe9cbbb0059340
SSDEEP

3072:bvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:j1SyAJp6rjn1gOObn4b6h9h

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
3660	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\18df951f = "\x1d\x03šÐ€GjNh~Ñ˜øÀ\x17æ\x1a¦?ýãQbq¡”3\x03$Ï3¶á‰È\u008dß1_/\r\x11ï¯)q6^9\x01ðE-íaé\x17åßa±\x0e¡\x01uÎ!.ŸQ†íùyßŽ€až™·9\x10…×ÉÑ™!5\rpQ}¿\x01ñ‰áÙùMm\u0081\raQ yIî\x19\u009d…hié\tŸýX\x10ù¿A¡ïáÁ¹–\x01UèUáPE)·"	61107727db4318f052cc0feeb3451a40N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\18df951f = "\x1d\x03šÐ€GjNh~Ñ˜øÀ\x17æ\x1a¦?ýãQbq¡”3\x03$Ï3¶á‰È\u008dß1_/\r\x11ï¯)q6^9\x01ðE-íaé\x17åßa±\x0e¡\x01uÎ!.ŸQ†íùyßŽ€až™·9\x10…×ÉÑ™!5\rpQ}¿\x01ñ‰áÙùMm\u0081\raQ yIî\x19\u009d…hié\tŸýX\x10ù¿A¡ïáÁ¹–\x01UèUáPE)·"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	61107727db4318f052cc0feeb3451a40N.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	61107727db4318f052cc0feeb3451a40N.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	61107727db4318f052cc0feeb3451a40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4860	61107727db4318f052cc0feeb3451a40N.exe
4860	61107727db4318f052cc0feeb3451a40N.exe
4860	61107727db4318f052cc0feeb3451a40N.exe
4860	61107727db4318f052cc0feeb3451a40N.exe
4860	61107727db4318f052cc0feeb3451a40N.exe
4860	61107727db4318f052cc0feeb3451a40N.exe
4860	61107727db4318f052cc0feeb3451a40N.exe
4860	61107727db4318f052cc0feeb3451a40N.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe
3660	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4860	61107727db4318f052cc0feeb3451a40N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 3660	4860	61107727db4318f052cc0feeb3451a40N.exe	86
PID 4860 wrote to memory of 3660	4860	61107727db4318f052cc0feeb3451a40N.exe	86
PID 4860 wrote to memory of 3660	4860	61107727db4318f052cc0feeb3451a40N.exe	86

C:\Users\Admin\AppData\Local\Temp\61107727db4318f052cc0feeb3451a40N.exe
"C:\Users\Admin\AppData\Local\Temp\61107727db4318f052cc0feeb3451a40N.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:4860
- 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:3660

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\T1CTRFUW\login[1].htm

Filesize
168B

MD5
d57e3a550060f85d44a175139ea23021

SHA1
2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

SHA256
43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

SHA512
0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

Download Submit
C:\Users\Admin\AppData\Local\Temp\53B8.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
C:\Users\Admin\AppData\Local\Temp\61B6.tmp

Filesize
24KB

MD5
dd54ca0391c085c9fa31e3b18b1700a0

SHA1
bd21d70f7c5955ad5bdda2fc8e6af0bba082286f

SHA256
72dd19fdb469653f07b87ae3b99106df4b10932f53d3f5e44c21518f98cf2acf

SHA512
d9adbfc63896b7ae4b20dd3ce5d82982b841561afb6a3f49df607161447a5b8caa2cb88dc10cca339cec15cd4d9e1fb8061709e0711aa4f4c5d398defd0a3088

Download Submit
C:\Users\Admin\AppData\Local\Temp\61DC.tmp

Filesize
42KB

MD5
13f2711e921e68155c8677c9353d641e

SHA1
7c35a0170d985ecbae9309224ef055e89b10adb6

SHA256
ecd5ccf4dcd6735d8bdd4b8a6bd3b5c2d66637eccc5567f9b724cbaf27916848

SHA512
e4708ef3c3c903a1a3e931258d7a57116b3d90e2784acbcd27fc81eb8ac36b9c2592d0d3c5cac78d3d13cec5d08c849bfd22acc2b2c6c055f3529009f6304c83

Download Submit
C:\Users\Admin\AppData\Local\Temp\61DC.tmp

Filesize
42KB

MD5
f22cc4fbfb886c0f03a669b0b94b2d5f

SHA1
242e1531acd367407f173e961c2ceef2a392d01f

SHA256
327e655759fe8971b68e705557700fdd2d2985f02d993384cc1975155f3c0f8f

SHA512
c04ded4ad7740553901d4d2bf90f17db10dd3eae590183c0f9b105d755c32641db1a4a13165ae8b5b4686bba222472c8dd75a51fe5b8a996a56354a014164985

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

Filesize
218KB

MD5
cc50068e0d4c65538761ad9e2998d752

SHA1
7aee19ac18d1273d6782d10397a2bbba2a570ce2

SHA256
2470bf103b02f84803d7f6267b5e9d27893ccd86c0e0a42867046d353861b00f

SHA512
6efd68d7b3edbb64f185fdd38d545f26878e19d770a1f9a973b89b3ed0a8821a7ea9cbafefeace2ed6602aaf4e973904f801f408dada54d87fc35dc75c93ea2a

Download Submit
memory/3660-49-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-41-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-19-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/3660-17-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-32-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-33-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-79-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-78-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-77-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-76-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-74-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-73-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-71-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-69-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-68-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-67-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-66-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-65-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-64-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-63-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-62-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-61-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-60-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-59-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-58-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-57-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-56-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-55-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-53-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-51-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-14-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/3660-48-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-47-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-40-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-20-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-42-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-44-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-39-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-36-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-35-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-34-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-31-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-28-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-27-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-26-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-75-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-72-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-70-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-54-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-52-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-23-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-50-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-46-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-45-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-43-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-38-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-37-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-30-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-29-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-25-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-24-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-15-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/3660-22-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/3660-16-0x00000000028D0000-0x0000000002978000-memory.dmp

Filesize
672KB

Download
memory/4860-0-0x0000000000750000-0x00000000007A1000-memory.dmp

Filesize
324KB

Download
memory/4860-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4860-11-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/4860-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4860-12-0x0000000000750000-0x00000000007A1000-memory.dmp

Filesize
324KB

Download