8ec6916adfac9da627a7dc82e3bcb34c792501a74da35e0c9181d1a16345f661

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 05:07

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General

Target

2df807a290d3c5994e51f223d7c1a5d0N.exe
Size

237KB
MD5

2df807a290d3c5994e51f223d7c1a5d0
SHA1

73d2c017077e28a9d1789331fac1638287782e88
SHA256

8ec6916adfac9da627a7dc82e3bcb34c792501a74da35e0c9181d1a16345f661
SHA512

30c0cd841cfe5e45725710608ed75cd9dee0ac4375a1756a343316e657d336693c0186592f5e43aa29cfd1137765550b2b99efa0480d008056d9f192b30f96a3
SSDEEP

6144:AD8okEvTyoZVOgd2QZiw5NLclL5orfQH:CsjCF2QZiOU+4

Score

10^/10

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
1136	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\f16d308d = "C:\\Windows\\apppatch\\svchost.exe"	2df807a290d3c5994e51f223d7c1a5d0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\f16d308d = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	2df807a290d3c5994e51f223d7c1a5d0N.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	2df807a290d3c5994e51f223d7c1a5d0N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1136	svchost.exe
1136	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4616	2df807a290d3c5994e51f223d7c1a5d0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 1136	4616	2df807a290d3c5994e51f223d7c1a5d0N.exe	85
PID 4616 wrote to memory of 1136	4616	2df807a290d3c5994e51f223d7c1a5d0N.exe	85
PID 4616 wrote to memory of 1136	4616	2df807a290d3c5994e51f223d7c1a5d0N.exe	85

C:\Users\Admin\AppData\Local\Temp\2df807a290d3c5994e51f223d7c1a5d0N.exe
"C:\Users\Admin\AppData\Local\Temp\2df807a290d3c5994e51f223d7c1a5d0N.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - Suspicious behavior: EnumeratesProcesses
  PID:1136

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\apppatch\svchost.exe

Filesize
237KB

MD5
6a2c0f639afe59a41a5cf7bf87c21149

SHA1
aed92fe9f2e049fdb31312c7c21fc5e8049b3960

SHA256
3a80316b432f6055e6f4c0cab5cd13aae95c67d87e08202f26a88ef6bcd615a2

SHA512
ef7e8af71c9f180b20421f6808bc62be6d71d1f7f52f462fbe7195fe4730c770e779e10c62802471da76558aa0940df304f039c7411aeb142071d5c07169dce2

Download Submit
memory/1136-63-0x0000000003CE0000-0x0000000003CE1000-memory.dmp

Filesize
4KB

Download
memory/1136-59-0x0000000003CE0000-0x0000000003CE1000-memory.dmp

Filesize
4KB

Download
memory/1136-24-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

Filesize
4KB

Download
memory/1136-26-0x0000000003C00000-0x0000000003C01000-memory.dmp

Filesize
4KB

Download
memory/1136-14-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1136-15-0x0000000002B70000-0x0000000002BFC000-memory.dmp

Filesize
560KB

Download
memory/1136-16-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1136-17-0x0000000002F40000-0x0000000002FDB000-memory.dmp

Filesize
620KB

Download
memory/1136-21-0x0000000002F40000-0x0000000002FDB000-memory.dmp

Filesize
620KB

Download
memory/1136-23-0x0000000002F40000-0x0000000002FDB000-memory.dmp

Filesize
620KB

Download
memory/1136-19-0x0000000002F40000-0x0000000002FDB000-memory.dmp

Filesize
620KB

Download
memory/1136-51-0x0000000003CA0000-0x0000000003CA1000-memory.dmp

Filesize
4KB

Download
memory/1136-49-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/1136-48-0x0000000003C90000-0x0000000003C91000-memory.dmp

Filesize
4KB

Download
memory/1136-70-0x0000000003D10000-0x0000000003D11000-memory.dmp

Filesize
4KB

Download
memory/1136-72-0x0000000003D30000-0x0000000003D31000-memory.dmp

Filesize
4KB

Download
memory/1136-69-0x0000000003D20000-0x0000000003D21000-memory.dmp

Filesize
4KB

Download
memory/1136-66-0x0000000003D10000-0x0000000003D11000-memory.dmp

Filesize
4KB

Download
memory/1136-65-0x0000000003D00000-0x0000000003D01000-memory.dmp

Filesize
4KB

Download
memory/1136-27-0x0000000003C00000-0x0000000003C01000-memory.dmp

Filesize
4KB

Download
memory/1136-28-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

Filesize
4KB

Download
memory/1136-58-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/1136-62-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

Filesize
4KB

Download
memory/1136-56-0x0000000003CB0000-0x0000000003CB1000-memory.dmp

Filesize
4KB

Download
memory/1136-55-0x0000000003CC0000-0x0000000003CC1000-memory.dmp

Filesize
4KB

Download
memory/1136-52-0x0000000003CB0000-0x0000000003CB1000-memory.dmp

Filesize
4KB

Download
memory/1136-44-0x0000000003C70000-0x0000000003C71000-memory.dmp

Filesize
4KB

Download
memory/1136-42-0x0000000003C50000-0x0000000003C51000-memory.dmp

Filesize
4KB

Download
memory/1136-41-0x0000000003C60000-0x0000000003C61000-memory.dmp

Filesize
4KB

Download
memory/1136-38-0x0000000003C50000-0x0000000003C51000-memory.dmp

Filesize
4KB

Download
memory/1136-37-0x0000000003C40000-0x0000000003C41000-memory.dmp

Filesize
4KB

Download
memory/1136-35-0x0000000003C20000-0x0000000003C21000-memory.dmp

Filesize
4KB

Download
memory/1136-77-0x0000000003D40000-0x0000000003D41000-memory.dmp

Filesize
4KB

Download
memory/1136-76-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/1136-34-0x0000000003C30000-0x0000000003C31000-memory.dmp

Filesize
4KB

Download
memory/1136-31-0x0000000003C20000-0x0000000003C21000-memory.dmp

Filesize
4KB

Download
memory/1136-30-0x0000000003C10000-0x0000000003C11000-memory.dmp

Filesize
4KB

Download
memory/4616-1-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4616-0-0x0000000002200000-0x0000000002265000-memory.dmp

Filesize
404KB

Download
memory/4616-12-0x0000000002200000-0x0000000002265000-memory.dmp

Filesize
404KB

Download
memory/4616-13-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download