9a014178ddd4a0f7ec8cb639dd27f695d8599cb224efded5cd706faec9fb1e11

Resubmissions

30/06/2023, 17:49

230630-wd8g5seb76 8

30/06/2023, 17:45

230630-wbqvbaeb69 8

29/06/2023, 17:53

230629-wgaqaaed89 8

Analysis

max time kernel
116s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20230621-es
resource tags

arch:x64arch:x86image:win10v2004-20230621-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
29/06/2023, 17:53

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General

Target

formularioimprimibleCLE.msi
Size

6.3MB
MD5

043dfa1567871c033c9514b544c7fef2
SHA1

97c9f86276885dcecc0e8108ebe4feef0a231518
SHA256

55ec807f6f52f3145fc046e64bcf4fa42ed595f10214f22025c07f7c900f3e4b
SHA512

a86ec480977715b8969d0b11c354acb7694526615006af9e5b1946997905464f0657cca614698cebcc6d7f5b866d6cb1c2220c2385c1bbbd9284f92c9c03d72e
SSDEEP

196608:u29Ik7oVQ2CAmYcA13ikoGhE4qLSupNxfTC:u2SMJ25mVA1xvzuLM

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
35	4616	MsiExec.exe
37	4616	MsiExec.exe
39	4616	MsiExec.exe
43	4616	MsiExec.exe

Loads dropped DLL 7 IoCs

pid	Process
4616	MsiExec.exe
4616	MsiExec.exe
4616	MsiExec.exe
4616	MsiExec.exe
4616	MsiExec.exe
4616	MsiExec.exe
4616	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

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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
34	ipinfo.io
35	ipinfo.io

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{FDADDCB5-B03B-4E64-B11C-E3C5ACE3057B}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{74D83130-630B-428D-BA93-F105AEAA3E8B}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{619ECF45-6637-43E8-AF4E-02D203475735}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{4F8BCBE1-433A-4663-A461-7B4CF7D5707C}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{35C40692-7774-4AF2-81C9-F0B9BF825B9D}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{0BE6EBAC-1670-4418-8929-0DE7A9E88AED}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{FE8F02B0-6B77-419C-B441-B151C010DBF6}.catalogItem	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4616	MsiExec.exe
4616	MsiExec.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e567506.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI7881.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI794D.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI797D.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI817F.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e567506.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\MSI7592.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI7FE7.tmp	msiexec.exe
File created	C:\Windows\Installer\SourceHash{AC72E8C6-41B2-4419-B471-CE193B15B7D0}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI814F.tmp	msiexec.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4532	4616	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4768	msiexec.exe
4768	msiexec.exe
4616	MsiExec.exe
4616	MsiExec.exe
4616	MsiExec.exe
4616	MsiExec.exe

Suspicious use of AdjustPrivilegeToken 52 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4884	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4884	msiexec.exe
Token: SeSecurityPrivilege	4768	msiexec.exe
Token: SeCreateTokenPrivilege	4884	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4884	msiexec.exe
Token: SeLockMemoryPrivilege	4884	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4884	msiexec.exe
Token: SeMachineAccountPrivilege	4884	msiexec.exe
Token: SeTcbPrivilege	4884	msiexec.exe
Token: SeSecurityPrivilege	4884	msiexec.exe
Token: SeTakeOwnershipPrivilege	4884	msiexec.exe
Token: SeLoadDriverPrivilege	4884	msiexec.exe
Token: SeSystemProfilePrivilege	4884	msiexec.exe
Token: SeSystemtimePrivilege	4884	msiexec.exe
Token: SeProfSingleProcessPrivilege	4884	msiexec.exe
Token: SeIncBasePriorityPrivilege	4884	msiexec.exe
Token: SeCreatePagefilePrivilege	4884	msiexec.exe
Token: SeCreatePermanentPrivilege	4884	msiexec.exe
Token: SeBackupPrivilege	4884	msiexec.exe
Token: SeRestorePrivilege	4884	msiexec.exe
Token: SeShutdownPrivilege	4884	msiexec.exe
Token: SeDebugPrivilege	4884	msiexec.exe
Token: SeAuditPrivilege	4884	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4884	msiexec.exe
Token: SeChangeNotifyPrivilege	4884	msiexec.exe
Token: SeRemoteShutdownPrivilege	4884	msiexec.exe
Token: SeUndockPrivilege	4884	msiexec.exe
Token: SeSyncAgentPrivilege	4884	msiexec.exe
Token: SeEnableDelegationPrivilege	4884	msiexec.exe
Token: SeManageVolumePrivilege	4884	msiexec.exe
Token: SeImpersonatePrivilege	4884	msiexec.exe
Token: SeCreateGlobalPrivilege	4884	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe
Token: SeRestorePrivilege	4768	msiexec.exe
Token: SeTakeOwnershipPrivilege	4768	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4884	msiexec.exe
4884	msiexec.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 4616	4768	msiexec.exe	84
PID 4768 wrote to memory of 4616	4768	msiexec.exe	84
PID 4768 wrote to memory of 4616	4768	msiexec.exe	84

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\formularioimprimibleCLE.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4884

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding D25B15018FB19D9F8B39712C2C343A85
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:4616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 792
    3⤵
    - Program crash
    PID:4532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4616 -ip 4616
1⤵
PID:4788

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
PID:4824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Config.Msi\e567509.rbs

Filesize
1KB

MD5
049b2f751350ab19d26bf1d196704069

SHA1
a3b4f880b283ad7c34e7451faf83f3e3dcb9a6ff

SHA256
05fcc33113cda6212b246603b0b3a3919f6164ce6b1426baf4919c0f6187f52a

SHA512
12d289b3fa7e79e2481525f438f46d095a50d1e37b89a2d156f9df696b460e7721a9401c9d1837d65e10adc146ff09ce035a9442d4205543c471094352b616d2

Download Submit
C:\Windows\Installer\MSI7592.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI7592.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI7881.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI7881.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI794D.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI794D.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI794D.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI797D.tmp

Filesize
860KB

MD5
71b541254864bd52f85e932e2040cbe8

SHA1
713766e1818f8d7ca814c86109c9cdd5d57914ef

SHA256
b29ab4744ff6c8c9c440e878abf6f76255c538e71564e6a6279513b543be0538

SHA512
4d2e0a30fd6729eb40fad358795db152327b0441da574052a371762f33c9f9e7b9a77c4a4762207bcb401a2d3ef6438730c245916f4a81cd20f748857d5170d2

Download Submit
C:\Windows\Installer\MSI797D.tmp

Filesize
860KB

MD5
71b541254864bd52f85e932e2040cbe8

SHA1
713766e1818f8d7ca814c86109c9cdd5d57914ef

SHA256
b29ab4744ff6c8c9c440e878abf6f76255c538e71564e6a6279513b543be0538

SHA512
4d2e0a30fd6729eb40fad358795db152327b0441da574052a371762f33c9f9e7b9a77c4a4762207bcb401a2d3ef6438730c245916f4a81cd20f748857d5170d2

Download Submit
C:\Windows\Installer\MSI7FE7.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI7FE7.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI817F.tmp

Filesize
4.9MB

MD5
092eca934d678084a26cd40a4d3c820e

SHA1
a3a3f338429b2621bf02dde24f931925b522cc9d

SHA256
d35e11b78d14db8c976c7a800f4c2caf092f63b1ea0c29742564317c28701cbf

SHA512
98002b475a798883263b0c2ae81cd893d77c8272dd16a9ecda99bd8d68f221a77950bf65e1322c665bbec6ed035639c2365f943d5f918a62c5ef7664ae1d70ba

Download Submit
C:\Windows\Installer\MSI817F.tmp

Filesize
4.9MB

MD5
092eca934d678084a26cd40a4d3c820e

SHA1
a3a3f338429b2621bf02dde24f931925b522cc9d

SHA256
d35e11b78d14db8c976c7a800f4c2caf092f63b1ea0c29742564317c28701cbf

SHA512
98002b475a798883263b0c2ae81cd893d77c8272dd16a9ecda99bd8d68f221a77950bf65e1322c665bbec6ed035639c2365f943d5f918a62c5ef7664ae1d70ba

Download Submit
C:\Windows\Installer\MSI817F.tmp

Filesize
4.9MB

MD5
092eca934d678084a26cd40a4d3c820e

SHA1
a3a3f338429b2621bf02dde24f931925b522cc9d

SHA256
d35e11b78d14db8c976c7a800f4c2caf092f63b1ea0c29742564317c28701cbf

SHA512
98002b475a798883263b0c2ae81cd893d77c8272dd16a9ecda99bd8d68f221a77950bf65e1322c665bbec6ed035639c2365f943d5f918a62c5ef7664ae1d70ba

Download Submit
memory/4616-160-0x0000000002D80000-0x000000000390E000-memory.dmp

Filesize
11.6MB

Download
memory/4616-161-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

Filesize
4KB

Download
memory/4616-162-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/4616-163-0x0000000002D10000-0x0000000002D11000-memory.dmp

Filesize
4KB

Download
memory/4616-164-0x0000000002D30000-0x0000000002D31000-memory.dmp

Filesize
4KB

Download
memory/4616-165-0x0000000002D40000-0x0000000002D41000-memory.dmp

Filesize
4KB

Download
memory/4616-166-0x0000000002D50000-0x0000000002D51000-memory.dmp

Filesize
4KB

Download
memory/4616-167-0x0000000002D60000-0x0000000002D61000-memory.dmp

Filesize
4KB

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memory/4616-168-0x0000000002D80000-0x000000000390E000-memory.dmp

Filesize
11.6MB

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memory/4616-170-0x0000000003A20000-0x0000000003A21000-memory.dmp

Filesize
4KB

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