1f76c709241f0fb8624e10ef2f969894af1de4b22b057fcd7e9064dba760a182

Analysis

max time kernel
77s
max time network
80s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
behavioral1/memory/4764-51-0x0000000018000000-0x000000001CECC000-memory.dmp	vmprotect
behavioral1/memory/4764-64-0x0000000018000000-0x000000001CECC000-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-1-5-21-3808065738-1666277613-1125846146-1000\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)	\??\V:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

adobe.exe

pid process

4764 adobe.exe
4764 adobe.exe

pid	process
4764	adobe.exe
4764	adobe.exe

Drops file in Windows directory 12 IoCs

Processes:

msiexec.exe

description	ioc	process
File created	C:\Windows\Installer\SourceHash{8AA6BD2E-CFA5-4AC5-9C6B-281990EECCF2}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFF25.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e57eacd.msi	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\MSIF780.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFA12.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFC27.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\Installer\e57eacd.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIECD1.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF975.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe

Executes dropped EXE 1 IoCs

Processes:

adobe.exe

pid process

4764 adobe.exe
Loads dropped DLL 7 IoCs

Processes:

MsiExec.exeadobe.exe

pid process

5092 MsiExec.exe
5092 MsiExec.exe
5092 MsiExec.exe
5092 MsiExec.exe
5092 MsiExec.exe
4764 adobe.exe
4764 adobe.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4764	adobe.exe

pid	process
5092	MsiExec.exe
5092	MsiExec.exe
5092	MsiExec.exe
5092	MsiExec.exe
5092	MsiExec.exe
4764	adobe.exe
4764	adobe.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

msiexec.exeadobe.exe

pid	process
3520	msiexec.exe
3520	msiexec.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe
4764	adobe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

adobe.exe

pid process

4764 adobe.exe

pid	process
4764	adobe.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	2960	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2960	msiexec.exe
Token: SeSecurityPrivilege	3520	msiexec.exe
Token: SeCreateTokenPrivilege	2960	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2960	msiexec.exe
Token: SeLockMemoryPrivilege	2960	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2960	msiexec.exe
Token: SeMachineAccountPrivilege	2960	msiexec.exe
Token: SeTcbPrivilege	2960	msiexec.exe
Token: SeSecurityPrivilege	2960	msiexec.exe
Token: SeTakeOwnershipPrivilege	2960	msiexec.exe
Token: SeLoadDriverPrivilege	2960	msiexec.exe
Token: SeSystemProfilePrivilege	2960	msiexec.exe
Token: SeSystemtimePrivilege	2960	msiexec.exe
Token: SeProfSingleProcessPrivilege	2960	msiexec.exe
Token: SeIncBasePriorityPrivilege	2960	msiexec.exe
Token: SeCreatePagefilePrivilege	2960	msiexec.exe
Token: SeCreatePermanentPrivilege	2960	msiexec.exe
Token: SeBackupPrivilege	2960	msiexec.exe
Token: SeRestorePrivilege	2960	msiexec.exe
Token: SeShutdownPrivilege	2960	msiexec.exe
Token: SeDebugPrivilege	2960	msiexec.exe
Token: SeAuditPrivilege	2960	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2960	msiexec.exe
Token: SeChangeNotifyPrivilege	2960	msiexec.exe
Token: SeRemoteShutdownPrivilege	2960	msiexec.exe
Token: SeUndockPrivilege	2960	msiexec.exe
Token: SeSyncAgentPrivilege	2960	msiexec.exe
Token: SeEnableDelegationPrivilege	2960	msiexec.exe
Token: SeManageVolumePrivilege	2960	msiexec.exe
Token: SeImpersonatePrivilege	2960	msiexec.exe
Token: SeCreateGlobalPrivilege	2960	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe
Token: SeRestorePrivilege	3520	msiexec.exe
Token: SeTakeOwnershipPrivilege	3520	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

2960 msiexec.exe
2960 msiexec.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

adobe.exe

pid process

4764 adobe.exe
4764 adobe.exe

pid	process
2960	msiexec.exe
2960	msiexec.exe

pid	process
4764	adobe.exe
4764	adobe.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 3520 wrote to memory of 5092	3520	msiexec.exe	MsiExec.exe
PID 3520 wrote to memory of 5092	3520	msiexec.exe	MsiExec.exe
PID 3520 wrote to memory of 5092	3520	msiexec.exe	MsiExec.exe
PID 3520 wrote to memory of 4764	3520	msiexec.exe	adobe.exe
PID 3520 wrote to memory of 4764	3520	msiexec.exe	adobe.exe
PID 3520 wrote to memory of 4764	3520	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:2960

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:3520

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding 46564ED777B0986C2A5CD3B11311D021
2⤵
- Loads dropped DLL
PID:5092

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:4764

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3528

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:4572

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Config.Msi\e57ead0.rbs
Filesize
2KB

MD5
bab18d8467b688d437c72780104a500c

SHA1
9571bbc732223ef2481709b53e3d1398e8d878fe

SHA256
e83187d2930fc8358c9659eda9165eb9f3db6baf487bf2e7f73632d5941aa9ae

SHA512
148b3c43db111643e1f43a6368c1d430c1be4e70256a1f68e7621fafe375e29e16c0491249d1c0d7542d81875783f5496daed7e4cdc4e487c90570bfe2e2842e

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\MSIECD1.tmp
Filesize
819KB

MD5
3604517a3e6e69ba339239cf82fc94a5

SHA1
c4757e31f9c8a90ee5de233792da71c8915050c5

SHA256
bdd1d14c9cb54b19f6a7f37adbc7537ce8fd2f6fa59a74a4a90b08c7979708d2

SHA512
c22ffc410886fae221dfee6ab469e44694f87cecce14d505a059f5fe01c1b4e1ad93c15b78c7623e821a37737491e89c627ddae5d03c407a877835ab6d611619

Download Submit
memory/4764-49-0x0000000005FD0000-0x0000000005FD1000-memory.dmp

Filesize
4KB

Download
memory/4764-56-0x0000000005F60000-0x0000000005F61000-memory.dmp

Filesize
4KB

Download
memory/4764-48-0x0000000005FC0000-0x0000000005FC1000-memory.dmp

Filesize
4KB

Download
memory/4764-44-0x0000000005F60000-0x0000000005F61000-memory.dmp

Filesize
4KB

Download
memory/4764-46-0x0000000005FA0000-0x0000000005FA1000-memory.dmp

Filesize
4KB

Download
memory/4764-45-0x0000000005F70000-0x0000000005F71000-memory.dmp

Filesize
4KB

Download
memory/4764-43-0x0000000005F50000-0x0000000005F51000-memory.dmp

Filesize
4KB

Download
memory/4764-50-0x0000000005FE0000-0x0000000005FE1000-memory.dmp

Filesize
4KB

Download
memory/4764-42-0x0000000000400000-0x0000000001F23000-memory.dmp

Filesize
27.1MB

Download
memory/4764-51-0x0000000018000000-0x000000001CECC000-memory.dmp

Filesize
78.8MB

Download
memory/4764-54-0x0000000000400000-0x0000000001F23000-memory.dmp

Filesize
27.1MB

Download
memory/4764-47-0x0000000005FB0000-0x0000000005FB1000-memory.dmp

Filesize
4KB

Download
memory/4764-57-0x0000000005F70000-0x0000000005F71000-memory.dmp

Filesize
4KB

Download
memory/4764-58-0x0000000005F80000-0x0000000005F81000-memory.dmp

Filesize
4KB

Download
memory/4764-59-0x0000000005FB0000-0x0000000005FB1000-memory.dmp

Filesize
4KB

Download
memory/4764-60-0x0000000005FC0000-0x0000000005FC1000-memory.dmp

Filesize
4KB

Download
memory/4764-61-0x0000000005FD0000-0x0000000005FD1000-memory.dmp

Filesize
4KB

Download
memory/4764-62-0x0000000005FE0000-0x0000000005FE1000-memory.dmp

Filesize
4KB

Download
memory/4764-63-0x0000000005FF0000-0x0000000005FF1000-memory.dmp

Filesize
4KB

Download
memory/4764-64-0x0000000018000000-0x000000001CECC000-memory.dmp

Filesize
78.8MB

Download
memory/4764-72-0x0000000000400000-0x0000000001F23000-memory.dmp

Filesize
27.1MB

Download
memory/4764-73-0x0000000000400000-0x0000000001F23000-memory.dmp

Filesize
27.1MB

Download