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

Executes dropped EXE 1 IoCs

Processes:

7zFM.exe

pid process

2012 7zFM.exe
Loads dropped DLL 1 IoCs

Processes:

pid process

3156

pid	process
2012	7zFM.exe

pid	process
3156

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

7z2201-x64.exe

description	ioc	process
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	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\7-zip32.dll	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\bn.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\sv.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uz.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\es.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\he.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pa-in.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\pl.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\fi.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\kk.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\ms.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\7z.sfx	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\mn.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng2.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\7zCon.sfx	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\Lang\cs.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eu.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\tt.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ext.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hu.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\an.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\it.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\io.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sw.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\tr.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\sr-spc.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\et.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kaa.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\vi.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\az.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\eo.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hi.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ta.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.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\Lang\ps.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\va.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	7z2201-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\en.ttt	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\Lang\ug.txt	7z2201-x64.exe

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

System Information Discovery
T1082

Modifies registry class 20 IoCs

Processes:

7z2201-x64.exe

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7zFM.exe

pid process

2012 7zFM.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

svchost.exe7zFM.exe

description pid process

Token: SeManageVolumePrivilege 1948 svchost.exe
Token: SeRestorePrivilege 2012 7zFM.exe
Token: 35 2012 7zFM.exe

pid	process
2012	7zFM.exe

description	pid	process
Token: SeManageVolumePrivilege	1948	svchost.exe
Token: SeRestorePrivilege	2012	7zFM.exe
Token: 35	2012	7zFM.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:4396

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3176

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1948

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2012

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2008

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe C:\Windows\system32\PcaSvc.dll,PcaPatchSdbTask
1⤵
PID:4272

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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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
C:\Program Files\7-Zip\7zFM.exe
Filesize
935KB

MD5
d36deceeb4c9645aab2ded86608d090b

SHA1
912f4658c4b046fbadd084912f9126cb1ae3737b

SHA256
018d74ff917692124dee0a8a7e6302aecd219d79b049ad95f2f4eedea41b4a45

SHA512
9752a9e57dd2e6cd454ba6c2d041d884369734c2b62c53d3ec4854731c398cd6e25ac75f7a55cda9d4b4c2efb074cb2e6efcbf3080cd8cc7d9bc8c9a25f62ff2

Download Submit
C:\Program Files\7-Zip\7zFM.exe
Filesize
935KB

MD5
d36deceeb4c9645aab2ded86608d090b

SHA1
912f4658c4b046fbadd084912f9126cb1ae3737b

SHA256
018d74ff917692124dee0a8a7e6302aecd219d79b049ad95f2f4eedea41b4a45

SHA512
9752a9e57dd2e6cd454ba6c2d041d884369734c2b62c53d3ec4854731c398cd6e25ac75f7a55cda9d4b4c2efb074cb2e6efcbf3080cd8cc7d9bc8c9a25f62ff2

Download Submit
C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm
Filesize
16KB

MD5
31b11005764263213c23361c327e2d42

SHA1
e3454313e9bad4de2777befd4825cf37dd5fb9eb

SHA256
12f3dc20f33c907fed2b5bd8a86128b034fd5251f1c8ef74ce6c4fafbb5740f9

SHA512
859ae9213e92b1ce518afc41b97cf6cdfb4ea01ecf1927ab57ed76f755a8b4c446f7c8f9a3e52a6ccb67d54b034269fe19f91e1a327b2033996dff8bb148937d

Download Submit
memory/1948-388-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-398-0x000002D3F0980000-0x000002D3F0981000-memory.dmp

Filesize
4KB

Download
memory/1948-352-0x000002D3E8640000-0x000002D3E8650000-memory.dmp

Filesize
64KB

Download
memory/1948-389-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-390-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-391-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-392-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-393-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-394-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-396-0x000002D3F0970000-0x000002D3F0971000-memory.dmp

Filesize
4KB

Download
memory/1948-395-0x000002D3F0980000-0x000002D3F0981000-memory.dmp

Filesize
4KB

Download
memory/1948-387-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-401-0x000002D3F0970000-0x000002D3F0971000-memory.dmp

Filesize
4KB

Download
memory/1948-404-0x000002D3F08B0000-0x000002D3F08B1000-memory.dmp

Filesize
4KB

Download
memory/1948-386-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-416-0x000002D3F0AB0000-0x000002D3F0AB1000-memory.dmp

Filesize
4KB

Download
memory/1948-418-0x000002D3F0AC0000-0x000002D3F0AC1000-memory.dmp

Filesize
4KB

Download
memory/1948-419-0x000002D3F0AC0000-0x000002D3F0AC1000-memory.dmp

Filesize
4KB

Download
memory/1948-420-0x000002D3F0BD0000-0x000002D3F0BD1000-memory.dmp

Filesize
4KB

Download
memory/1948-385-0x000002D3F0D50000-0x000002D3F0D51000-memory.dmp

Filesize
4KB

Download
memory/1948-384-0x000002D3F0D30000-0x000002D3F0D31000-memory.dmp

Filesize
4KB

Download
memory/1948-368-0x000002D3E8740000-0x000002D3E8750000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads