1f76c709241f0fb8624e10ef2f969894af1de4b22b057fcd7e9064dba760a182

Analysis

max time kernel
150s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 04:54

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General

Target

AfipInstal 3491467912.msi
Size

28.7MB
MD5

90a8aeea10139c563654d6fca6bf2e50
SHA1

c3bd41d576175e0ee0fe8c06b94720370e1f79f8
SHA256

1f76c709241f0fb8624e10ef2f969894af1de4b22b057fcd7e9064dba760a182
SHA512

3f3d3268711f2e8c355411967048a2c84b8b1f6b12b74d6c345c2e6ede27a3648a69e41855f19f2a201dcc102c723ba8a917a1c94946bda72d0c63ab98a7e01c
SSDEEP

786432:bG59Ebw+dsspncz4vvS1iP6KfHCp3N3QMVvF:bS9EXdL3CsP6wrGvF

Score

7^/10

persistence vmprotect

Malware Config

Signatures

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Afip\Factura\avutil.dll	vmprotect
behavioral2/memory/1276-50-0x0000000018000000-0x000000001CECC000-memory.dmp	vmprotect
behavioral2/memory/1276-61-0x0000000018000000-0x000000001CECC000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\new = "C:\\Users\\Admin\\AppData\\Roaming\\Afip\\Factura\\adobe.exe"	msiexec.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exemsiexec.exe

description	ioc	process
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

adobe.exe

pid process

1276 adobe.exe
1276 adobe.exe

pid	process
1276	adobe.exe
1276	adobe.exe

Drops file in Windows directory 16 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\SystemTemp\~DFE475642D97D2ED07.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{8AA6BD2E-CFA5-4AC5-9C6B-281990EECCF2}	msiexec.exe
File created	C:\Windows\SystemTemp\~DF9D03684728CAC5C1.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5563.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI55F1.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI566F.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI56DE.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI567F.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DF3F12B9720870F06E.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF2AA29BAC51715F43.TMP	msiexec.exe
File created	C:\Windows\Installer\e5754d7.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e5754d7.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI579B.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

Processes:

adobe.exe

pid process

1276 adobe.exe
Loads dropped DLL 7 IoCs

Processes:

MsiExec.exeadobe.exe

pid process

4432 MsiExec.exe
4432 MsiExec.exe
4432 MsiExec.exe
4432 MsiExec.exe
4432 MsiExec.exe
1276 adobe.exe
1276 adobe.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1276	adobe.exe

pid	process
4432	MsiExec.exe
4432	MsiExec.exe
4432	MsiExec.exe
4432	MsiExec.exe
4432	MsiExec.exe
1276	adobe.exe
1276	adobe.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

msiexec.exeadobe.exe

pid	process
2804	msiexec.exe
2804	msiexec.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe
1276	adobe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

adobe.exe

pid process

1276 adobe.exe

pid	process
1276	adobe.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	5100	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5100	msiexec.exe
Token: SeSecurityPrivilege	2804	msiexec.exe
Token: SeCreateTokenPrivilege	5100	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5100	msiexec.exe
Token: SeLockMemoryPrivilege	5100	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5100	msiexec.exe
Token: SeMachineAccountPrivilege	5100	msiexec.exe
Token: SeTcbPrivilege	5100	msiexec.exe
Token: SeSecurityPrivilege	5100	msiexec.exe
Token: SeTakeOwnershipPrivilege	5100	msiexec.exe
Token: SeLoadDriverPrivilege	5100	msiexec.exe
Token: SeSystemProfilePrivilege	5100	msiexec.exe
Token: SeSystemtimePrivilege	5100	msiexec.exe
Token: SeProfSingleProcessPrivilege	5100	msiexec.exe
Token: SeIncBasePriorityPrivilege	5100	msiexec.exe
Token: SeCreatePagefilePrivilege	5100	msiexec.exe
Token: SeCreatePermanentPrivilege	5100	msiexec.exe
Token: SeBackupPrivilege	5100	msiexec.exe
Token: SeRestorePrivilege	5100	msiexec.exe
Token: SeShutdownPrivilege	5100	msiexec.exe
Token: SeDebugPrivilege	5100	msiexec.exe
Token: SeAuditPrivilege	5100	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5100	msiexec.exe
Token: SeChangeNotifyPrivilege	5100	msiexec.exe
Token: SeRemoteShutdownPrivilege	5100	msiexec.exe
Token: SeUndockPrivilege	5100	msiexec.exe
Token: SeSyncAgentPrivilege	5100	msiexec.exe
Token: SeEnableDelegationPrivilege	5100	msiexec.exe
Token: SeManageVolumePrivilege	5100	msiexec.exe
Token: SeImpersonatePrivilege	5100	msiexec.exe
Token: SeCreateGlobalPrivilege	5100	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe
Token: SeRestorePrivilege	2804	msiexec.exe
Token: SeTakeOwnershipPrivilege	2804	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

5100 msiexec.exe
5100 msiexec.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

adobe.exe

pid process

1276 adobe.exe
1276 adobe.exe

pid	process
5100	msiexec.exe
5100	msiexec.exe

pid	process
1276	adobe.exe
1276	adobe.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 2804 wrote to memory of 4432	2804	msiexec.exe	MsiExec.exe
PID 2804 wrote to memory of 4432	2804	msiexec.exe	MsiExec.exe
PID 2804 wrote to memory of 4432	2804	msiexec.exe	MsiExec.exe
PID 2804 wrote to memory of 1276	2804	msiexec.exe	adobe.exe
PID 2804 wrote to memory of 1276	2804	msiexec.exe	adobe.exe
PID 2804 wrote to memory of 1276	2804	msiexec.exe	adobe.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\AfipInstal 3491467912.msi"
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5100

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2804

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding E571E432540DB3FA86B08C0F9FB9FD31
2⤵
- Loads dropped DLL
PID:4432

C:\Users\Admin\AppData\Roaming\Afip\Factura\adobe.exe
"C:\Users\Admin\AppData\Roaming\Afip\Factura\adobe.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1276

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Config.Msi\e5754da.rbs
Filesize
2KB

MD5
639b1d238e63b83f8cc8c3cc9046f1fe

SHA1
47f16050b614ab5a02085a37546a2e9d8eebcfd1

SHA256
772f7b4a15b19b5200ca223b9d33ec1dc01213465f8e7c0cabce785976845205

SHA512
a5d5544483d22e02362799b620102c1b970ec8b5cb16e559d15d7b80f26fc57a0aaaade96a715b5db86b789b8400c68a7003b689772a6b33dd6e94130b389b96

Download Submit
C:\Users\Admin\AppData\Roaming\Afip\Factura\adobe.exe
Filesize
26.3MB

MD5
57232fa398ec29f0cd79a95ed0361e46

SHA1
31720d0fd9c80ab016503194f0a7722339b187c9

SHA256
3f60ab3822d5152fb4aee997803fcc98a55b2e7d615b9652289496a561ef6d7e

SHA512
4c548fffa2e8f59b79ce1264a97e75dbcb8285214ccb916b337c1e794025042a521fbc8a4630ee39507fdf7e46c86a2693e4c725c404d55c52e07f8891948806

Download Submit
C:\Users\Admin\AppData\Roaming\Afip\Factura\avutil.dll
Filesize
15.5MB

MD5
749e623bfab8722fce171f034dbf2168

SHA1
bc2f428b93329a2c8389cc8f487c1bf313951fca

SHA256
13205d0363188c15ec881753a14150284f72c47204bfcc0fc92db847a16bf00e

SHA512
79b9432f6f44a85e5d2819ddf35d0f94d3606f46a5fb49099674535c5f984c0ba2795e4abfedcc62f04150cca5ce29c8e084e21c1f9292fa07ac8c92e7f689f2

Download Submit
C:\Windows\Installer\MSI5563.tmp
Filesize
819KB

MD5
3604517a3e6e69ba339239cf82fc94a5

SHA1
c4757e31f9c8a90ee5de233792da71c8915050c5

SHA256
bdd1d14c9cb54b19f6a7f37adbc7537ce8fd2f6fa59a74a4a90b08c7979708d2

SHA512
c22ffc410886fae221dfee6ab469e44694f87cecce14d505a059f5fe01c1b4e1ad93c15b78c7623e821a37737491e89c627ddae5d03c407a877835ab6d611619

Download Submit
memory/1276-48-0x0000000007930000-0x0000000007931000-memory.dmp

Filesize
4KB

Download
memory/1276-53-0x00000000078C0000-0x00000000078C1000-memory.dmp

Filesize
4KB

Download
memory/1276-44-0x00000000078D0000-0x00000000078D1000-memory.dmp

Filesize
4KB

Download
memory/1276-45-0x0000000007900000-0x0000000007901000-memory.dmp

Filesize
4KB

Download
memory/1276-46-0x0000000007910000-0x0000000007911000-memory.dmp

Filesize
4KB

Download
memory/1276-47-0x0000000007920000-0x0000000007921000-memory.dmp

Filesize
4KB

Download
memory/1276-42-0x00000000078B0000-0x00000000078B1000-memory.dmp

Filesize
4KB

Download
memory/1276-49-0x0000000007940000-0x0000000007941000-memory.dmp

Filesize
4KB

Download
memory/1276-50-0x0000000018000000-0x000000001CECC000-memory.dmp

Filesize
78.8MB

Download
memory/1276-43-0x00000000078C0000-0x00000000078C1000-memory.dmp

Filesize
4KB

Download
memory/1276-54-0x00000000078D0000-0x00000000078D1000-memory.dmp

Filesize
4KB

Download
memory/1276-55-0x00000000078E0000-0x00000000078E1000-memory.dmp

Filesize
4KB

Download
memory/1276-56-0x0000000007910000-0x0000000007911000-memory.dmp

Filesize
4KB

Download
memory/1276-57-0x0000000007920000-0x0000000007921000-memory.dmp

Filesize
4KB

Download
memory/1276-58-0x0000000007930000-0x0000000007931000-memory.dmp

Filesize
4KB

Download
memory/1276-59-0x0000000007940000-0x0000000007941000-memory.dmp

Filesize
4KB

Download
memory/1276-60-0x0000000007950000-0x0000000007951000-memory.dmp

Filesize
4KB

Download
memory/1276-61-0x0000000018000000-0x000000001CECC000-memory.dmp

Filesize
78.8MB

Download
memory/1276-71-0x0000000000400000-0x0000000001F23000-memory.dmp

Filesize
27.1MB

Download