eeda820f8ee27fc483d338b59a5122e369c1749f0be8c1b1cd2276588471a175

Resubmissions

09-12-2022 21:26

221209-z981bshc2x 10

01-12-2022 07:02

221201-hvaqjseb89 10

Analysis

max time kernel
183s
max time network
30s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 07:02

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General

Target

BF.vbs
Size

180B
MD5

fcf6c65b599aaad756e0c32e688ec9db
SHA1

28e5e0be32ec5d837dcbbf8bbe5be9a44e14750b
SHA256

dc9c38ba168c5fd0c78917e9cd8f1ddf7119c59a80ef5e097705091a157a3cb0
SHA512

e25f419e1b489e7f23259395ed39bca2b964ef5a963efdaa102415928f7e5370823a128c5510f5417617c50b200f2588257716d45a8c742e3cca364daa44e37b

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

1032 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1428 powershell.exe
1428 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1428 powershell.exe

pid	process
1032	rundll32.exe

pid	process
1428	powershell.exe
1428	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1428	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

WScript.exepowershell.exe

description	pid	process	target process
PID 2008 wrote to memory of 1428	2008	WScript.exe	powershell.exe
PID 2008 wrote to memory of 1428	2008	WScript.exe	powershell.exe
PID 2008 wrote to memory of 1428	2008	WScript.exe	powershell.exe
PID 2008 wrote to memory of 1428	2008	WScript.exe	powershell.exe
PID 1428 wrote to memory of 1032	1428	powershell.exe	rundll32.exe
PID 1428 wrote to memory of 1032	1428	powershell.exe	rundll32.exe
PID 1428 wrote to memory of 1032	1428	powershell.exe	rundll32.exe
PID 1428 wrote to memory of 1032	1428	powershell.exe	rundll32.exe
PID 1428 wrote to memory of 1032	1428	powershell.exe	rundll32.exe
PID 1428 wrote to memory of 1032	1428	powershell.exe	rundll32.exe
PID 1428 wrote to memory of 1032	1428	powershell.exe	rundll32.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\BF.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass teased\\brainwaves.ps1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1428

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\users\public\extroversionRadiantly.txt DrawThemeIcon
3⤵
- Loads dropped DLL
PID:1032

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\users\public\extroversionRadiantly.txt
Filesize
725KB

MD5
ed77586a14e95e3480d26c85219ae795

SHA1
bc15afb8b4aec58f7c3ce38f780ce4c5f8444b1d

SHA256
e978b0c77018e382ef87f6cee623b5b8b436a331449f8e2edca65b1c045aacc7

SHA512
03fee67cc0dda7b9518e5cb7934e0a18d872d40c357b70454d2353f91ac763eabeec5c9f2ca62cdcb510dff09f11e1acd47caaf7a96651c4010a5402c45ec857

Download Submit
\Users\Public\extroversionRadiantly.txt
Filesize
725KB

MD5
ed77586a14e95e3480d26c85219ae795

SHA1
bc15afb8b4aec58f7c3ce38f780ce4c5f8444b1d

SHA256
e978b0c77018e382ef87f6cee623b5b8b436a331449f8e2edca65b1c045aacc7

SHA512
03fee67cc0dda7b9518e5cb7934e0a18d872d40c357b70454d2353f91ac763eabeec5c9f2ca62cdcb510dff09f11e1acd47caaf7a96651c4010a5402c45ec857

Download Submit
memory/1032-59-0x0000000000000000-mapping.dmp

Download
memory/1428-55-0x0000000000000000-mapping.dmp

Download
memory/1428-56-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1428-57-0x00000000737E0000-0x0000000073D8B000-memory.dmp

Filesize
5.7MB

Download
memory/1428-58-0x00000000737E0000-0x0000000073D8B000-memory.dmp

Filesize
5.7MB

Download
memory/1428-61-0x00000000737E0000-0x0000000073D8B000-memory.dmp

Filesize
5.7MB

Download
memory/2008-54-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

Filesize
8KB

Download