a1c7157e3d321dc5966c65601335e053edb2c4a1e6cf4f1f678b974a4f2dbf26

Analysis

max time kernel
27s
max time network
47s
platform
windows7_x64
resource
win7v20210408
submitted
20-07-2021 13:07

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General

Target

154080c5844ed76332320fcf3f1773391d80200f18f9025fd05b55b86f8ff795.msi
Size

309KB
MD5

495a4543965b4a92c6314294b338602f
SHA1

a520425e51ae8211ddc85566111d204282e493df
SHA256

154080c5844ed76332320fcf3f1773391d80200f18f9025fd05b55b86f8ff795
SHA512

ddba1d22bb8cf1f4a0bc5dbc8c19087b908370d464b1a64683d69f5553a8da99650fe0ea0d88f5cfab14a37a0bfa5fdf0a9435d05a368efb40cb16c2ac4c9efb

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

MsiExec.exe

flow pid process

4 576 MsiExec.exe
Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

576 MsiExec.exe
576 MsiExec.exe

flow	pid	process
4	576	MsiExec.exe

pid	process
576	MsiExec.exe
576	MsiExec.exe

Enumerates connected drives 3 TTPs 48 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)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe

Drops file in Windows directory 8 IoCs

Processes:

msiexec.exe

description	ioc	process
File created	C:\Windows\Installer\f7501b6.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f7501b6.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2AF.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI59D.tmp	msiexec.exe
File created	C:\Windows\Installer\f7501b8.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI7DF.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f7501b8.ipi	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

1720 msiexec.exe
1720 msiexec.exe

pid	process
1720	msiexec.exe
1720	msiexec.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	2020	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2020	msiexec.exe
Token: SeRestorePrivilege	1720	msiexec.exe
Token: SeTakeOwnershipPrivilege	1720	msiexec.exe
Token: SeSecurityPrivilege	1720	msiexec.exe
Token: SeCreateTokenPrivilege	2020	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2020	msiexec.exe
Token: SeLockMemoryPrivilege	2020	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2020	msiexec.exe
Token: SeMachineAccountPrivilege	2020	msiexec.exe
Token: SeTcbPrivilege	2020	msiexec.exe
Token: SeSecurityPrivilege	2020	msiexec.exe
Token: SeTakeOwnershipPrivilege	2020	msiexec.exe
Token: SeLoadDriverPrivilege	2020	msiexec.exe
Token: SeSystemProfilePrivilege	2020	msiexec.exe
Token: SeSystemtimePrivilege	2020	msiexec.exe
Token: SeProfSingleProcessPrivilege	2020	msiexec.exe
Token: SeIncBasePriorityPrivilege	2020	msiexec.exe
Token: SeCreatePagefilePrivilege	2020	msiexec.exe
Token: SeCreatePermanentPrivilege	2020	msiexec.exe
Token: SeBackupPrivilege	2020	msiexec.exe
Token: SeRestorePrivilege	2020	msiexec.exe
Token: SeShutdownPrivilege	2020	msiexec.exe
Token: SeDebugPrivilege	2020	msiexec.exe
Token: SeAuditPrivilege	2020	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2020	msiexec.exe
Token: SeChangeNotifyPrivilege	2020	msiexec.exe
Token: SeRemoteShutdownPrivilege	2020	msiexec.exe
Token: SeUndockPrivilege	2020	msiexec.exe
Token: SeSyncAgentPrivilege	2020	msiexec.exe
Token: SeEnableDelegationPrivilege	2020	msiexec.exe
Token: SeManageVolumePrivilege	2020	msiexec.exe
Token: SeImpersonatePrivilege	2020	msiexec.exe
Token: SeCreateGlobalPrivilege	2020	msiexec.exe
Token: SeRestorePrivilege	1720	msiexec.exe
Token: SeTakeOwnershipPrivilege	1720	msiexec.exe
Token: SeRestorePrivilege	1720	msiexec.exe
Token: SeTakeOwnershipPrivilege	1720	msiexec.exe
Token: SeRestorePrivilege	1720	msiexec.exe
Token: SeTakeOwnershipPrivilege	1720	msiexec.exe
Token: SeRestorePrivilege	1720	msiexec.exe
Token: SeTakeOwnershipPrivilege	1720	msiexec.exe
Token: SeRestorePrivilege	1720	msiexec.exe
Token: SeTakeOwnershipPrivilege	1720	msiexec.exe
Token: SeRestorePrivilege	1720	msiexec.exe
Token: SeTakeOwnershipPrivilege	1720	msiexec.exe
Token: SeRestorePrivilege	1720	msiexec.exe
Token: SeTakeOwnershipPrivilege	1720	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

2020 msiexec.exe
2020 msiexec.exe

pid	process
2020	msiexec.exe
2020	msiexec.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 1720 wrote to memory of 576	1720	msiexec.exe	MsiExec.exe
PID 1720 wrote to memory of 576	1720	msiexec.exe	MsiExec.exe
PID 1720 wrote to memory of 576	1720	msiexec.exe	MsiExec.exe
PID 1720 wrote to memory of 576	1720	msiexec.exe	MsiExec.exe
PID 1720 wrote to memory of 576	1720	msiexec.exe	MsiExec.exe
PID 1720 wrote to memory of 576	1720	msiexec.exe	MsiExec.exe
PID 1720 wrote to memory of 576	1720	msiexec.exe	MsiExec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\154080c5844ed76332320fcf3f1773391d80200f18f9025fd05b55b86f8ff795.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2020

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:1720

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding DC74274EC181382203D785AA5EFBE191
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:576

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\Installer\MSI2AF.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
C:\Windows\Installer\MSI59D.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
\Windows\Installer\MSI2AF.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
\Windows\Installer\MSI59D.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
memory/576-61-0x0000000000000000-mapping.dmp

Download
memory/576-62-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/2020-59-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

Filesize
8KB

Download