22dc4608d911d7c831437b969db66a42d0477cd3f5d93987cae9f59774857fc1

Resubmissions

17/07/2026, 04:02

260717-ema5kaax5n

17/07/2026, 03:59

260717-ej2s4set2y7

17/07/2026, 03:56

260717-ehhc3sax2m7

Analysis

user interaction
yes
max time kernel
72s
max time network
27s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/07/2026, 03:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
7z26.02-zstd-x64.exe
Size 3.2MB
Sample260717-ehhc3sax2m
SHA256 22dc4608d911d7c831437b969db66a42d0477cd3f5d93987cae9f59774857fc1
MD5 05ac2dda58ff183804d37a7871b458bd
SHA1 27f24ab0d83b42981fb8067d6a30f0ed09f169da
SHA512 949ae79737232aff79deaf596e02ae378dec9b17c63a631c2e26f76d9ecfe2e5fd1c5dbf93f479ea765da276ce349ff46d9b133ef18490aedc4a322332fe8c61
SSDEEP 49152:AvRBV1SqSp7sCMMkWYqt3Fy+ho4jtp5Q4i+PljeBMJTl3/bsu213B98w8QT:gBDNSp7dM+hoM54AVeiZEOS
TLSH
T142F5338772E930F0E4A39175A56996067FB2F571A324DFEB4AC867191D632C0BC3DB20
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence privilege_escalation

Malware Config

Signatures

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

pid	Process
2624	7zFM.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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip-Zstandard\Lang\bn.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\fr.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\fy.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\hr.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\ps.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\ta.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\ug.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\pa-in.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\sk.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\zh-tw.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\7z.dll	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\br.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\cs.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\en.ttt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\eo.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\eu.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\gl.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\hi.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\7za.exe	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\az.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\eu.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\fi.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\ga.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\hi.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\mk.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\mr.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\descript.ion	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\fi.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\hr.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\ja.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\ps.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\sv.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\sv.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\zh-cn.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\7-zip.chm	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\7-zip.dll	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\7za.dll	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\id.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\ka.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\ne.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\si.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\sl.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\7zG.exe	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\7zxa.dll	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\bn.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\pa-in.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\sr-spl.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\sw.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\tt.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\uk.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\7z.sfx	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\ko.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\pt-br.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\7z.exe	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\ar.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\kab.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\ku-ckb.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\lv.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\mng.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\th.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\tr.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\da.txt	7z26.02-zstd-x64.exe
File created	C:\Program Files\7-Zip-Zstandard\Lang\et.txt	7z26.02-zstd-x64.exe
File opened for modification	C:\Program Files\7-Zip-Zstandard\Lang\hu.txt	7z26.02-zstd-x64.exe

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

System Information Discovery
T1082

Modifies registry class 22 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip-Zstandard	7z26.02-zstd-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	7zFM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	7zFM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip-Zstandard	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-20BB-278A-1000-000100020000}\ = "7-Zip Shell Extension"	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-20BB-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip-Zstandard\\7-zip32.dll"	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-20BB-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z26.02-zstd-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-20BB-278A-1000-000100020000}	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-20BB-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\7-Zip-Zstandard\ = "{23170F69-20BB-278A-1000-000100020000}"	7z26.02-zstd-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip-Zstandard	7z26.02-zstd-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-20BB-278A-1000-000100020000}	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-20BB-278A-1000-000100020000}\ = "7-Zip Shell Extension"	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip-Zstandard\ = "{23170F69-20BB-278A-1000-000100020000}"	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip-Zstandard\ = "{23170F69-20BB-278A-1000-000100020000}"	7z26.02-zstd-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-20BB-278A-1000-000100020000}\InprocServer32	7z26.02-zstd-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip-Zstandard	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip-Zstandard\ = "{23170F69-20BB-278A-1000-000100020000}"	7z26.02-zstd-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip-Zstandard	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip-Zstandard\ = "{23170F69-20BB-278A-1000-000100020000}"	7z26.02-zstd-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-20BB-278A-1000-000100020000}\InprocServer32	7z26.02-zstd-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-20BB-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip-Zstandard\\7-zip.dll"	7z26.02-zstd-x64.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2624	7zFM.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	4256	7zFM.exe
Token: 35	4256	7zFM.exe
Token: SeRestorePrivilege	2624	7zFM.exe
Token: 35	2624	7zFM.exe

C:\Users\Admin\AppData\Local\Temp\7z26.02-zstd-x64.exe
"C:\Users\Admin\AppData\Local\Temp\7z26.02-zstd-x64.exe"
1⤵
- Drops file in Program Files directory
- Modifies registry class
PID:2152

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe"
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4256

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4964

C:\Program Files\7-Zip-Zstandard\7zFM.exe
"C:\Program Files\7-Zip-Zstandard\7zFM.exe"
1⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2624

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

7zFM.exe

Path C:\Program Files\7-Zip-Zstandard\7zFM.exe
Size 1009KB
SHA256 2f5fd558292f404df4ea178c22e4d806f3ed46659580ad62969d58ea09b979c7
MD5 2862cb7f6418c01ba20ee6115466681c
SHA1 cb4c00bf3efadac627f2fc0879e8be15e2ad5874
SHA512 d3988ae135431341a4c2ec82e4062e96be112c8e2b45176bbfd51a3d2c4837ed844ee3147e9c734fd434dd355d683467c6e3ade726b2f751d452522830ce6591
SSDEEP 12288:AYC8x6quEv5zJPgtmfzVTOBe/hdAguk5Cpq3ZD:c8xduEv5zJImxkiJu/E
TLSH
T171258E1AA2BC43F9D5E2C174C92AB203F675BC5A5230896F1391B96A7F33670DD39321
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download