b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4

General

Target

7z2201-x64.exe
Size

1.5MB
MD5

a6a0f7c173094f8dafef996157751ecf
SHA1

c0dcae7c4c80be25661d22400466b4ea074fc580
SHA256

b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4
SHA512

965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94
SSDEEP

24576:mGIyixBMj+/A2d+UKnvT+LwZWj7iDDVVYrz0rbzGTw3DoA/sk6smE:mGbj+/BpKnvyIxVV/XDoAfmE

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

pid process

3160

pid	process
3160

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

7z2201-x64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll"	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z2201-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

Drops file in Program Files directory 64 IoCs

Processes:

7z2201-x64.exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\Lang\tr.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\co.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nl.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sl.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spl.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	7z2201-x64.exe
File created	C:\Program Files\7-Zip\Lang\sw.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ro.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\vi.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-tw.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ru.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\de.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kab.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nn.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku-ckb.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tg.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\descript.ion	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sk.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uz-cyrl.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ky.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mk.txt	7z2201-x64.exe
File created	C:\Program Files\7-Zip\Lang\tk.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fa.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pl.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\yo.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-cn.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hy.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ms.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ps.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\th.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\an.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gl.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tk.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gu.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\7-zip32.dll	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.chm	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cy.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ka.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lij.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lv.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sa.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ja.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sv.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\readme.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt-br.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	7z2201-x64.exe

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

System Information Discovery
T1082

Modifies registry class 20 IoCs

Processes:

7z2201-x64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z2201-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"	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll"	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip	7z2201-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2201-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip	7z2201-x64.exe

C:\Users\Admin\AppData\Local\Temp\7z2201-x64.exe
"C:\Users\Admin\AppData\Local\Temp\7z2201-x64.exe"
1⤵
- Registers COM server for autorun
- Drops file in Program Files directory
- Modifies registry class
PID:1304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\7-Zip\7-zip.dll

Filesize
92KB

MD5
c3af132ea025d289ab4841fc00bb74af

SHA1
0a9973d5234cc55b8b97bbb82c722b910c71cbaf

SHA256
56b1148a7f96f730d7085f90cadda4980d31cad527d776545c5223466f9ffb52

SHA512
707097953d876fa8f25bfefb19bfb3af402b8a6a5d5c35a2d84282818df4466feba63b6401b9b9f11468a2189dcc7f504c51e4590a5e32e635eb4f5710fd80b2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads