6fb7ad54048b9523aa5e4c2f9da82c108fbcb3a5e3cb7376e2668b30768c1785

Analysis

max time kernel
104s
max time network
135s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
24-05-2024 19:57

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General

Target

Safe_Exam_Browser/Safe Exam Browser for Windows user/SEB_3.6.0.633_x64_Setup.msi
Size

135.7MB
MD5

799b5b024ecde3e8eff6e2cf289bb1ab
SHA1

2c80a3cee3163c0db022ae9cb2860cfbab96f20f
SHA256

5ba5cb49b1fe880829bb31f34a23cca18c03fcbd33899a8f9bc3c5ec1204cf24
SHA512

3cbb54123dbc14659845a04e8642868ed74ad0b71b3c2921db898e6a671643868426c2f6b2124b2a272b25d0a4aaf64b6d8fc5f470da56cdfa8c8d13befd3523
SSDEEP

3145728:NuYDxgorov+CvQStNBIlc7L3Ai35xb2i4EzDTbzts+mi10Lbt:Nb1UvrvXzIlYAipV2inDTGKgt

Score

6^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

msiexec.exe

flow pid process

15 4564 msiexec.exe

flow	pid	process
15	4564	msiexec.exe

Enumerates connected drives 3 TTPs 23 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.exe

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

Suspicious use of AdjustPrivilegeToken 32 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	4564	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4564	msiexec.exe
Token: SeSecurityPrivilege	2424	msiexec.exe
Token: SeCreateTokenPrivilege	4564	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4564	msiexec.exe
Token: SeLockMemoryPrivilege	4564	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4564	msiexec.exe
Token: SeMachineAccountPrivilege	4564	msiexec.exe
Token: SeTcbPrivilege	4564	msiexec.exe
Token: SeSecurityPrivilege	4564	msiexec.exe
Token: SeTakeOwnershipPrivilege	4564	msiexec.exe
Token: SeLoadDriverPrivilege	4564	msiexec.exe
Token: SeSystemProfilePrivilege	4564	msiexec.exe
Token: SeSystemtimePrivilege	4564	msiexec.exe
Token: SeProfSingleProcessPrivilege	4564	msiexec.exe
Token: SeIncBasePriorityPrivilege	4564	msiexec.exe
Token: SeCreatePagefilePrivilege	4564	msiexec.exe
Token: SeCreatePermanentPrivilege	4564	msiexec.exe
Token: SeBackupPrivilege	4564	msiexec.exe
Token: SeRestorePrivilege	4564	msiexec.exe
Token: SeShutdownPrivilege	4564	msiexec.exe
Token: SeDebugPrivilege	4564	msiexec.exe
Token: SeAuditPrivilege	4564	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4564	msiexec.exe
Token: SeChangeNotifyPrivilege	4564	msiexec.exe
Token: SeRemoteShutdownPrivilege	4564	msiexec.exe
Token: SeUndockPrivilege	4564	msiexec.exe
Token: SeSyncAgentPrivilege	4564	msiexec.exe
Token: SeEnableDelegationPrivilege	4564	msiexec.exe
Token: SeManageVolumePrivilege	4564	msiexec.exe
Token: SeImpersonatePrivilege	4564	msiexec.exe
Token: SeCreateGlobalPrivilege	4564	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

msiexec.exe

pid process

4564 msiexec.exe

pid	process
4564	msiexec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\Safe_Exam_Browser\Safe Exam Browser for Windows user\SEB_3.6.0.633_x64_Setup.msi"
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4564

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2424

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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