263b2a5d8d4ba77c34ce8d4f04b6ad5dab50d7138300607ed7f119921589e153

Analysis

max time kernel
140s
max time network
130s
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, 20:10

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General

Target

A4C30N90IRKPO4OTWCD.msi
Size

6.3MB
MD5

83efc255c44e0b5f9861948f2bbbd676
SHA1

a03e63a2324acea809f1ab5b949a79a51098f94d
SHA256

bfdae5da8f01ea8756eaa6d3529fd76894948967adfe8862a1399cb973ee5f3e
SHA512

ffe32c46b8e00271b2b1f3913bf1fa4ee7d33d39029d1f6a5dcb51577b9d3dc984d4256c7046a08c4c7b16fdf4f94598da98622b95185dfd4b64ae45a9e01144
SSDEEP

98304:kYUtMEAjtulbxKO1fTC4woarOBy3lAPlT4b+PK5WkEIcL3qmUi3kOlODhw86/r14:snxfTC4wducuucemUqkOEDMoPu8

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
18	4384	MsiExec.exe
20	4384	MsiExec.exe
22	4384	MsiExec.exe
26	4384	MsiExec.exe

Loads dropped DLL 7 IoCs

pid	Process
4384	MsiExec.exe
4384	MsiExec.exe
4384	MsiExec.exe
4384	MsiExec.exe
4384	MsiExec.exe
4384	MsiExec.exe
4384	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)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	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
18	ipinfo.io
17	ipinfo.io

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4384	MsiExec.exe
4384	MsiExec.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e569c93.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI9DEA.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB117.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\MSIB60B.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB64B.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e569c93.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\MSIAF7F.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB175.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB3F7.tmp	msiexec.exe
File created	C:\Windows\Installer\SourceHash{AC72E8C6-41B2-4419-B471-CE193B15B7D0}	msiexec.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3996	msiexec.exe
3996	msiexec.exe
4384	MsiExec.exe
4384	MsiExec.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4580	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4580	msiexec.exe
Token: SeSecurityPrivilege	3996	msiexec.exe
Token: SeCreateTokenPrivilege	4580	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4580	msiexec.exe
Token: SeLockMemoryPrivilege	4580	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4580	msiexec.exe
Token: SeMachineAccountPrivilege	4580	msiexec.exe
Token: SeTcbPrivilege	4580	msiexec.exe
Token: SeSecurityPrivilege	4580	msiexec.exe
Token: SeTakeOwnershipPrivilege	4580	msiexec.exe
Token: SeLoadDriverPrivilege	4580	msiexec.exe
Token: SeSystemProfilePrivilege	4580	msiexec.exe
Token: SeSystemtimePrivilege	4580	msiexec.exe
Token: SeProfSingleProcessPrivilege	4580	msiexec.exe
Token: SeIncBasePriorityPrivilege	4580	msiexec.exe
Token: SeCreatePagefilePrivilege	4580	msiexec.exe
Token: SeCreatePermanentPrivilege	4580	msiexec.exe
Token: SeBackupPrivilege	4580	msiexec.exe
Token: SeRestorePrivilege	4580	msiexec.exe
Token: SeShutdownPrivilege	4580	msiexec.exe
Token: SeDebugPrivilege	4580	msiexec.exe
Token: SeAuditPrivilege	4580	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4580	msiexec.exe
Token: SeChangeNotifyPrivilege	4580	msiexec.exe
Token: SeRemoteShutdownPrivilege	4580	msiexec.exe
Token: SeUndockPrivilege	4580	msiexec.exe
Token: SeSyncAgentPrivilege	4580	msiexec.exe
Token: SeEnableDelegationPrivilege	4580	msiexec.exe
Token: SeManageVolumePrivilege	4580	msiexec.exe
Token: SeImpersonatePrivilege	4580	msiexec.exe
Token: SeCreateGlobalPrivilege	4580	msiexec.exe
Token: SeRestorePrivilege	3996	msiexec.exe
Token: SeTakeOwnershipPrivilege	3996	msiexec.exe
Token: SeRestorePrivilege	3996	msiexec.exe
Token: SeTakeOwnershipPrivilege	3996	msiexec.exe
Token: SeRestorePrivilege	3996	msiexec.exe
Token: SeTakeOwnershipPrivilege	3996	msiexec.exe
Token: SeRestorePrivilege	3996	msiexec.exe
Token: SeTakeOwnershipPrivilege	3996	msiexec.exe
Token: SeRestorePrivilege	3996	msiexec.exe
Token: SeTakeOwnershipPrivilege	3996	msiexec.exe
Token: SeRestorePrivilege	3996	msiexec.exe
Token: SeTakeOwnershipPrivilege	3996	msiexec.exe
Token: SeRestorePrivilege	3996	msiexec.exe
Token: SeTakeOwnershipPrivilege	3996	msiexec.exe
Token: SeRestorePrivilege	3996	msiexec.exe
Token: SeTakeOwnershipPrivilege	3996	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4580	msiexec.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 4384	3996	msiexec.exe	86
PID 3996 wrote to memory of 4384	3996	msiexec.exe	86
PID 3996 wrote to memory of 4384	3996	msiexec.exe	86

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\A4C30N90IRKPO4OTWCD.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4580

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:3996
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 0303DB6D929019130C764940AD6B961D
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:4384

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

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Downloads

C:\Windows\Installer\MSI9DEA.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSI9DEA.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSIAF7F.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSIAF7F.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSIB117.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSIB117.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSIB117.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSIB175.tmp

Filesize
860KB

MD5
71b541254864bd52f85e932e2040cbe8

SHA1
713766e1818f8d7ca814c86109c9cdd5d57914ef

SHA256
b29ab4744ff6c8c9c440e878abf6f76255c538e71564e6a6279513b543be0538

SHA512
4d2e0a30fd6729eb40fad358795db152327b0441da574052a371762f33c9f9e7b9a77c4a4762207bcb401a2d3ef6438730c245916f4a81cd20f748857d5170d2

Download Submit
C:\Windows\Installer\MSIB175.tmp

Filesize
860KB

MD5
71b541254864bd52f85e932e2040cbe8

SHA1
713766e1818f8d7ca814c86109c9cdd5d57914ef

SHA256
b29ab4744ff6c8c9c440e878abf6f76255c538e71564e6a6279513b543be0538

SHA512
4d2e0a30fd6729eb40fad358795db152327b0441da574052a371762f33c9f9e7b9a77c4a4762207bcb401a2d3ef6438730c245916f4a81cd20f748857d5170d2

Download Submit
C:\Windows\Installer\MSIB3F7.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSIB3F7.tmp

Filesize
376KB

MD5
e12c5bcc254c953b1a46d1434804f4d2

SHA1
99f67acf34af1294f3c6e5eb521c862e1c772397

SHA256
5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b

SHA512
9a61aa00b651fc616cd09d28f4a6b872889a026c61d818595a82c58fdff187e3ad57916c2b8690d1e7016d73a05435e13a85758917cfb89029b34c4a1685aa0b

Download Submit
C:\Windows\Installer\MSIB64B.tmp

Filesize
4.9MB

MD5
dd5476bc84e93976ed610dd8a1b16f49

SHA1
13eb482378cb0a2d4e63fd570a591f27e3c8ea2f

SHA256
babbb82a46861f91a3a1b0e5b37d13ba6c82a2829b311ab7ad1763b0f03b2733

SHA512
393263cd36fe8eb725d8d92c2dec130a5b58671f2c7c1cb4b1142f4f0c2323a704be60d8c94ab1a2c572c5724f547a60df34e0682ab4157e2a79e80d96da3a1f

Download Submit
C:\Windows\Installer\MSIB64B.tmp

Filesize
4.9MB

MD5
dd5476bc84e93976ed610dd8a1b16f49

SHA1
13eb482378cb0a2d4e63fd570a591f27e3c8ea2f

SHA256
babbb82a46861f91a3a1b0e5b37d13ba6c82a2829b311ab7ad1763b0f03b2733

SHA512
393263cd36fe8eb725d8d92c2dec130a5b58671f2c7c1cb4b1142f4f0c2323a704be60d8c94ab1a2c572c5724f547a60df34e0682ab4157e2a79e80d96da3a1f

Download Submit
C:\Windows\Installer\MSIB64B.tmp

Filesize
4.9MB

MD5
dd5476bc84e93976ed610dd8a1b16f49

SHA1
13eb482378cb0a2d4e63fd570a591f27e3c8ea2f

SHA256
babbb82a46861f91a3a1b0e5b37d13ba6c82a2829b311ab7ad1763b0f03b2733

SHA512
393263cd36fe8eb725d8d92c2dec130a5b58671f2c7c1cb4b1142f4f0c2323a704be60d8c94ab1a2c572c5724f547a60df34e0682ab4157e2a79e80d96da3a1f

Download Submit
memory/4384-160-0x0000000003410000-0x0000000003FA5000-memory.dmp

Filesize
11.6MB

Download
memory/4384-161-0x0000000003290000-0x0000000003291000-memory.dmp

Filesize
4KB

Download
memory/4384-162-0x00000000032B0000-0x00000000032B1000-memory.dmp

Filesize
4KB

Download
memory/4384-163-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/4384-164-0x00000000032E0000-0x00000000032E1000-memory.dmp

Filesize
4KB

Download
memory/4384-165-0x00000000032F0000-0x00000000032F1000-memory.dmp

Filesize
4KB

Download
memory/4384-166-0x0000000003300000-0x0000000003301000-memory.dmp

Filesize
4KB

Download
memory/4384-167-0x00000000040C0000-0x00000000040C1000-memory.dmp

Filesize
4KB

Download
memory/4384-168-0x0000000003410000-0x0000000003FA5000-memory.dmp

Filesize
11.6MB

Download
memory/4384-170-0x0000000004220000-0x0000000004221000-memory.dmp

Filesize
4KB

Download
memory/4384-178-0x0000000004220000-0x0000000004221000-memory.dmp

Filesize
4KB

Download