8c0d64f0a9e3bea13f2c3aeafc670e62aaf396ba114c463c97e272464b4d8efb

Analysis

max time kernel
63s
max time network
117s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
06/07/2024, 21:28

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General

Target

747d8af.msi
Size

180KB
MD5

5611efd8725e779c15bf3220d2efb77c
SHA1

517c154429d5430452994d13bdbe7be8ba4da666
SHA256

b5d66e8ab0d2b33278d2cabb055be5a5043022bd0c36fe07d9d64a3830dd255a
SHA512

d301f553ae5c8152cf9c5310ed9ddc330fddedce6ca858aedc31fec4e1e6aed40aa8917030f060c101f0af543e7b4b306bc8422bc7231bf50da61b14fcb1fa30
SSDEEP

3072:QHviOApBgbxkK3zoGCK4Kr1kNM+BxWy2bDZRJdnp:wvipBaTDo1j//SZh

Score

6^/10

persistence privilege_escalation

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
3	3056	msiexec.exe
5	3056	msiexec.exe
7	3056	msiexec.exe
8	2196	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)	\??\X:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	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)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\L:	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)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	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)	\??\O:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File created	C:\Windows\Installer\f76eb1a.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f76eb1a.msi	msiexec.exe

Event Triggered Execution: Installer Packages 1 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

pid	Process
3056	msiexec.exe

Modifies data under HKEY_USERS 43 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe

Suspicious use of AdjustPrivilegeToken 51 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3056	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3056	msiexec.exe
Token: SeRestorePrivilege	2196	msiexec.exe
Token: SeTakeOwnershipPrivilege	2196	msiexec.exe
Token: SeSecurityPrivilege	2196	msiexec.exe
Token: SeCreateTokenPrivilege	3056	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3056	msiexec.exe
Token: SeLockMemoryPrivilege	3056	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3056	msiexec.exe
Token: SeMachineAccountPrivilege	3056	msiexec.exe
Token: SeTcbPrivilege	3056	msiexec.exe
Token: SeSecurityPrivilege	3056	msiexec.exe
Token: SeTakeOwnershipPrivilege	3056	msiexec.exe
Token: SeLoadDriverPrivilege	3056	msiexec.exe
Token: SeSystemProfilePrivilege	3056	msiexec.exe
Token: SeSystemtimePrivilege	3056	msiexec.exe
Token: SeProfSingleProcessPrivilege	3056	msiexec.exe
Token: SeIncBasePriorityPrivilege	3056	msiexec.exe
Token: SeCreatePagefilePrivilege	3056	msiexec.exe
Token: SeCreatePermanentPrivilege	3056	msiexec.exe
Token: SeBackupPrivilege	3056	msiexec.exe
Token: SeRestorePrivilege	3056	msiexec.exe
Token: SeShutdownPrivilege	3056	msiexec.exe
Token: SeDebugPrivilege	3056	msiexec.exe
Token: SeAuditPrivilege	3056	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3056	msiexec.exe
Token: SeChangeNotifyPrivilege	3056	msiexec.exe
Token: SeRemoteShutdownPrivilege	3056	msiexec.exe
Token: SeUndockPrivilege	3056	msiexec.exe
Token: SeSyncAgentPrivilege	3056	msiexec.exe
Token: SeEnableDelegationPrivilege	3056	msiexec.exe
Token: SeManageVolumePrivilege	3056	msiexec.exe
Token: SeImpersonatePrivilege	3056	msiexec.exe
Token: SeCreateGlobalPrivilege	3056	msiexec.exe
Token: SeBackupPrivilege	1652	vssvc.exe
Token: SeRestorePrivilege	1652	vssvc.exe
Token: SeAuditPrivilege	1652	vssvc.exe
Token: SeBackupPrivilege	2196	msiexec.exe
Token: SeRestorePrivilege	2196	msiexec.exe
Token: SeRestorePrivilege	1204	DrvInst.exe
Token: SeRestorePrivilege	1204	DrvInst.exe
Token: SeRestorePrivilege	1204	DrvInst.exe
Token: SeRestorePrivilege	1204	DrvInst.exe
Token: SeRestorePrivilege	1204	DrvInst.exe
Token: SeRestorePrivilege	1204	DrvInst.exe
Token: SeRestorePrivilege	1204	DrvInst.exe
Token: SeLoadDriverPrivilege	1204	DrvInst.exe
Token: SeLoadDriverPrivilege	1204	DrvInst.exe
Token: SeLoadDriverPrivilege	1204	DrvInst.exe
Token: SeRestorePrivilege	2196	msiexec.exe
Token: SeTakeOwnershipPrivilege	2196	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3056	msiexec.exe
3056	msiexec.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\747d8af.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3056

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2196

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1652

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005A8" "00000000000003F0"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Installer Packages

T1546.016

Privilege Escalation

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

Filesize
1KB

MD5
cba2426f2aafe31899569ace05e89796

SHA1
3bfb16faefd762b18f033cb2de6ceb77db9d2390

SHA256
a465febe8a024e3cdb548a3731b2ea60c7b2919e941a24b9a42890b2b039b85a

SHA512
395cce81a7966f02c49129586815b833c8acfe6efbb8795e56548f32819270c654074622b7fa880121ce7fbd29725af6f69f89b8c7e02c64d1bbffbfe0620c68

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C0018BB1B5834735BFA60CD063B31956

Filesize
1KB

MD5
fc1193c6345ac35188aa3de0f824ceb7

SHA1
8fb5606f5380ac6ace7bb4e7c71b6750362e8c5f

SHA256
bdfb8faff4c0c0a15c642890a5544bd32f930f55ca199470dbd4736a32d6e200

SHA512
480a3ad52cf215db3cede6ad93293f8f031c2cb7a190c6f4cbcd0f3eb06f5c81c7f13d304a495945192e759ab5403245acef7be0149b8615ce2b194927f3dec4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

Filesize
264B

MD5
bab48c43e08178b37c55fbf4dbcacf51

SHA1
25538900eda198c83d3a142a8b1a65f4035fcec2

SHA256
af4e0afbfa8210526b79f92facc0ab361db749bae82fad98c0f2199abc183bb9

SHA512
cf12412c0f78e82fbab5f1230c42eb4adb5b5ef2d9a495f930102eda7cb27626dc97bbae4cb9bdb206ed2e34be0da602efc29326ed5f48b8e784fae40f3485e0

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
62ea5a63ec24fd1680a2453609124404

SHA1
c6ab99a05c318bfaba4e958f9521650ce5748ad8

SHA256
e8cd47e9f5df363062d92b8693fec845153bc023d262abc9935cb33645daddb4

SHA512
ae95777526329805fa77c685b32d3837fe4ac762dfde69282c4b24b89bd4d87aa86b86a7d23423a2b742aa53e25f3b511e961f535edd73725b022fd66d0d5257

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

Filesize
252B

MD5
d983e8b04555af19ec26146ace096622

SHA1
2edc7efca2edbf3937557690fac7b00095590e8f

SHA256
b83facff5f00179d4328a486ebce79f94c4bcaaf2854664167ae5ff86e3fa45c

SHA512
4930cae0241b31e6d28d7048fbad44628a722621e788282f6f99253c427d9c18f12096b5c09e5991b1203a84730aa2509b31495f69ca01753787d36ca9d59e54

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C:\Users\Admin\AppData\Local\Temp\CabA585.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI6a4e7.LOG

Filesize
20KB

MD5
60ccf433cc254f9d9bccac267ec0912d

SHA1
18dc02f15b6a43bd69daff1061ab73203cca2c91

SHA256
7ddd0a939aef31e9e767726026cdbd695395b5307cbbd4f3ef2d7b56eb98aa04

SHA512
fb91f8ff5c452ea2a78ecdb60b9bb94f943d8f1536d6209e42e07adca251e7d0f27c5c52dbb8dfe1d5b1569fba25311fe992de0d20aec418859f3e8d4115580a

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA597.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA90B.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads