12ef1c8127ec3465520e4cfd23605b708d81a5a2cf37ba124f018e5c094de0d9

Analysis

max time kernel
20s
max time network
16s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
17-05-2024 06:05

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General

Target

7z2405-x64.exe
Size

1.5MB
MD5

c73433dd532d445d099385865f62148b
SHA1

4723c45f297cc8075eac69d2ef94e7e131d3a734
SHA256

12ef1c8127ec3465520e4cfd23605b708d81a5a2cf37ba124f018e5c094de0d9
SHA512

1211c8b67652664d6f66e248856b95ca557d4fdb4ea90d30df68208055d4c94fea0d158e7e6a965eae5915312dee33f62db882bb173faec5332a17bd2fb59447
SSDEEP

49152:ZEVAbJqaITViU3qLkr7toP9KT+uv6WC+5uxe1o58:ZEVcqeUaki9oBqt+

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1156	7zFM.exe

Loads dropped DLL 10 IoCs

pid	Process
1640	7z2405-x64.exe
1640	7z2405-x64.exe
1640	7z2405-x64.exe
1136	Process not Found
1136	Process not Found
1136	Process not Found
1136	Process not Found
1136	Process not Found
1136	Process not Found
1136	Process not Found

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll"	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z2405-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

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\zh-cn.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eu.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku-ckb.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ru.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\co.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ko.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sk.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hi.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lv.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mk.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tk.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kab.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng2.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\descript.ion	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\7z.dll	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\et.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\he.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt-br.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uz.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tg.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\yo.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-tw.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fa.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mn.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\th.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pa-in.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uz-cyrl.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\vi.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll.tmp	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ext.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ms.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sl.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ta.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nn.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ps.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eo.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spl.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\License.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\de.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\it.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kaa.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mr.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gu.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sq.txt	7z2405-x64.exe
File created	C:\Program Files\7-Zip\7-zip.dll	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\si.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\Lang\va.txt	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\7-zip32.dll	7z2405-x64.exe
File opened for modification	C:\Program Files\7-Zip\7zCon.sfx	7z2405-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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2405-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip	7z2405-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2405-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	7z2405-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2405-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"	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll"	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	7z2405-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip	7z2405-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip	7z2405-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip	7z2405-x64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	7z2405-x64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	7z2405-x64.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1156	7zFM.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	1156	7zFM.exe
Token: 35	1156	7zFM.exe

C:\Users\Admin\AppData\Local\Temp\7z2405-x64.exe
"C:\Users\Admin\AppData\Local\Temp\7z2405-x64.exe"
1⤵
- Loads dropped DLL
- Registers COM server for autorun
- Drops file in Program Files directory
- Modifies registry class
PID:1640

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:1156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
99KB

MD5
956d826f03d88c0b5482002bb7a83412

SHA1
560658185c225d1bd274b6a18372fd7de5f336af

SHA256
f9b4944d3a5536a6f8b4d5db17d903988a3518b22fbee6e3f6019aaf44189b3d

SHA512
6503064802101bca6e25b259a2bfe38e2d8b786bf2cf588ab1fb026b755f04a20857ee27e290cf50b2667425c528313b1c02e09b7b50edbcd75a3335439c3647

Download Submit
\Program Files\7-Zip\7zFM.exe

Filesize
960KB

MD5
b161d842906239bf2f32ad158bea57f1

SHA1
4a125d6cbeae9658e862c637aba8f8b9f3bf5cf7

SHA256
3345c48505e0906f1352499ba7cbd439ac0c509a33f04c7d678e2c960c8b9f03

SHA512
0d14c75c8e80af8246ddf122052190f5ffb1f81ffd5b752990747b7efcb566b49842219d9b26df9dbe267c9a3876d7b60158c9f08d295d0926b60dbbebc1fa3c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads