djvu | ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Install.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2300	YSihQY_t3PYH4QH_DnmU8a0z.exe
708	zkTrFKmoSSyJbvknGnJqnazu.exe
4184	r6GKtMqiXdISC6EGoFUWennQ.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/files/0x0006000000022f99-158.dat	upx
behavioral4/files/0x0006000000022f99-159.dat	upx
behavioral4/memory/3212-186-0x0000000000190000-0x0000000000FB5000-memory.dmp	upx
behavioral4/memory/3212-275-0x0000000000190000-0x0000000000FB5000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Install.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Install.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	Install.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
53744	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 17 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral4/memory/1548-132-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/memory/1548-133-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/memory/1548-134-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/memory/1548-136-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/memory/1548-137-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/memory/1548-138-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/memory/1548-139-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/memory/1548-140-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/memory/1548-141-0x0000000000FA0000-0x0000000001B5C000-memory.dmp	themida
behavioral4/files/0x0006000000022fb9-184.dat	themida
behavioral4/memory/4972-188-0x0000000000840000-0x0000000000FA7000-memory.dmp	themida
behavioral4/files/0x0006000000022fb9-182.dat	themida
behavioral4/memory/4972-195-0x0000000000840000-0x0000000000FA7000-memory.dmp	themida
behavioral4/memory/4972-199-0x0000000000840000-0x0000000000FA7000-memory.dmp	themida
behavioral4/memory/4972-203-0x0000000000840000-0x0000000000FA7000-memory.dmp	themida
behavioral4/memory/4972-204-0x0000000000840000-0x0000000000FA7000-memory.dmp	themida
behavioral4/memory/4972-250-0x0000000000840000-0x0000000000FA7000-memory.dmp	themida

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Install.exe

Looks up external IP address via web service 7 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
26	ipinfo.io
27	ipinfo.io
143	ipinfo.io
144	ipinfo.io
159	ipinfo.io
160	api.2ip.ua
161	api.2ip.ua

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	Install.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	Install.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	Install.exe
File opened for modification	C:\Windows\System32\GroupPolicy	Install.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1548	Install.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

pid	Process
7016	schtasks.exe
7072	schtasks.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
50200	taskkill.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Install.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1548	Install.exe
1548	Install.exe
1548	Install.exe
1548	Install.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 708	1548	Install.exe	94
PID 1548 wrote to memory of 708	1548	Install.exe	94
PID 1548 wrote to memory of 708	1548	Install.exe	94
PID 1548 wrote to memory of 2300	1548	Install.exe	95
PID 1548 wrote to memory of 2300	1548	Install.exe	95
PID 1548 wrote to memory of 4184	1548	Install.exe	93
PID 1548 wrote to memory of 4184	1548	Install.exe	93
PID 1548 wrote to memory of 4184	1548	Install.exe	93
PID 1548 wrote to memory of 3212	1548	Install.exe	96
PID 1548 wrote to memory of 3212	1548	Install.exe	96
PID 1548 wrote to memory of 3940	1548	Install.exe	97
PID 1548 wrote to memory of 3940	1548	Install.exe	97
PID 1548 wrote to memory of 3940	1548	Install.exe	97
PID 1548 wrote to memory of 896	1548	Install.exe	99
PID 1548 wrote to memory of 896	1548	Install.exe	99
PID 1548 wrote to memory of 896	1548	Install.exe	99
PID 1548 wrote to memory of 1104	1548	Install.exe	98
PID 1548 wrote to memory of 1104	1548	Install.exe	98
PID 1548 wrote to memory of 1104	1548	Install.exe	98
PID 1548 wrote to memory of 3552	1548	Install.exe	103
PID 1548 wrote to memory of 3552	1548	Install.exe	103
PID 1548 wrote to memory of 3552	1548	Install.exe	103

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\Pictures\Minor Policy\r6GKtMqiXdISC6EGoFUWennQ.exe
  "C:\Users\Admin\Pictures\Minor Policy\r6GKtMqiXdISC6EGoFUWennQ.exe"
  2⤵
  - Executes dropped EXE
  PID:4184
- - C:\Users\Admin\Pictures\Minor Policy\r6GKtMqiXdISC6EGoFUWennQ.exe
    "C:\Users\Admin\Pictures\Minor Policy\r6GKtMqiXdISC6EGoFUWennQ.exe"
    3⤵
    PID:11868
- C:\Users\Admin\Pictures\Minor Policy\zkTrFKmoSSyJbvknGnJqnazu.exe
  "C:\Users\Admin\Pictures\Minor Policy\zkTrFKmoSSyJbvknGnJqnazu.exe"
  2⤵
  - Executes dropped EXE
  PID:708
- C:\Users\Admin\Pictures\Minor Policy\YSihQY_t3PYH4QH_DnmU8a0z.exe
  "C:\Users\Admin\Pictures\Minor Policy\YSihQY_t3PYH4QH_DnmU8a0z.exe"
  2⤵
  - Executes dropped EXE
  PID:2300
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd.exe" /C start C:\Windows\Temp\10.exe
    3⤵
    PID:71080
- C:\Users\Admin\Pictures\Minor Policy\01lOti4egVOuS90RqCe8Re4p.exe
  "C:\Users\Admin\Pictures\Minor Policy\01lOti4egVOuS90RqCe8Re4p.exe"
  2⤵
  PID:3212
- C:\Users\Admin\Pictures\Minor Policy\DyZdMqrRDyCUAbhno4sQAMCQ.exe
  "C:\Users\Admin\Pictures\Minor Policy\DyZdMqrRDyCUAbhno4sQAMCQ.exe"
  2⤵
  PID:3940
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /RU "Admin" /tr "C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe" /tn "PowerControl HR" /sc HOURLY /rl HIGHEST
    3⤵
    - Creates scheduled task(s)
    PID:7016
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /RU "Admin" /tr "C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe" /tn "PowerControl LG" /sc ONLOGON /rl HIGHEST
    3⤵
    - Creates scheduled task(s)
    PID:7072
- - C:\Users\Admin\Documents\hJYBEWgH_Ye80Rn9kclm2v6S.exe
    "C:\Users\Admin\Documents\hJYBEWgH_Ye80Rn9kclm2v6S.exe"
    3⤵
    PID:6972
- C:\Users\Admin\Pictures\Minor Policy\aK9iIoSohsao7NMurOYw0lO4.exe
  "C:\Users\Admin\Pictures\Minor Policy\aK9iIoSohsao7NMurOYw0lO4.exe"
  2⤵
  PID:1104
- C:\Users\Admin\Pictures\Minor Policy\_7B0wMjrXwBoT6bSZxc_Q75c.exe
  "C:\Users\Admin\Pictures\Minor Policy\_7B0wMjrXwBoT6bSZxc_Q75c.exe"
  2⤵
  PID:896
- - C:\Users\Admin\Pictures\Minor Policy\_7B0wMjrXwBoT6bSZxc_Q75c.exe
    "C:\Users\Admin\Pictures\Minor Policy\_7B0wMjrXwBoT6bSZxc_Q75c.exe"
    3⤵
    PID:11876
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\f73fdd5e-9847-476a-84c2-0a87f51dba48" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      4⤵
      Modifies file permissions
      PID:53744
- C:\Users\Admin\Pictures\Minor Policy\SRHW15R87tMlZAD4Hm3gCpl_.exe
  "C:\Users\Admin\Pictures\Minor Policy\SRHW15R87tMlZAD4Hm3gCpl_.exe"
  2⤵
  PID:3040
- - C:\Windows\SysWOW64\control.exe
    "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\AlnRzE.CpL",
    3⤵
    PID:6564
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\AlnRzE.CpL",
      4⤵
      PID:6872
- C:\Users\Admin\Pictures\Minor Policy\14K3AUismilRpKl_3kn5Nd21.exe
  "C:\Users\Admin\Pictures\Minor Policy\14K3AUismilRpKl_3kn5Nd21.exe"
  2⤵
  PID:1988
- C:\Users\Admin\Pictures\Minor Policy\bqWZQRCzt6pq2bbcfxwgo9TL.exe
  "C:\Users\Admin\Pictures\Minor Policy\bqWZQRCzt6pq2bbcfxwgo9TL.exe"
  2⤵
  PID:3552
- C:\Users\Admin\Pictures\Minor Policy\Z2yoGrldQJvjRR2YJPp3b4SH.exe
  "C:\Users\Admin\Pictures\Minor Policy\Z2yoGrldQJvjRR2YJPp3b4SH.exe"
  2⤵
  PID:5040
- C:\Users\Admin\Pictures\Minor Policy\kQ23zmdbweL0bnZT9weazDtQ.exe
  "C:\Users\Admin\Pictures\Minor Policy\kQ23zmdbweL0bnZT9weazDtQ.exe"
  2⤵
  PID:408
- C:\Users\Admin\Pictures\Minor Policy\YRdm9iOWJ6sV_BqIBgHeeKoi.exe
  "C:\Users\Admin\Pictures\Minor Policy\YRdm9iOWJ6sV_BqIBgHeeKoi.exe"
  2⤵
  PID:3632
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:6580
- C:\Users\Admin\Pictures\Minor Policy\PfvMddcF3xSRI4rMI5ljjRSl.exe
  "C:\Users\Admin\Pictures\Minor Policy\PfvMddcF3xSRI4rMI5ljjRSl.exe"
  2⤵
  PID:1816
- - C:\Users\Admin\Pictures\Minor Policy\PfvMddcF3xSRI4rMI5ljjRSl.exe
    "C:\Users\Admin\Pictures\Minor Policy\PfvMddcF3xSRI4rMI5ljjRSl.exe" -h
    3⤵
    PID:6936
- C:\Users\Admin\Pictures\Minor Policy\RfQu_OTPMcS0haeMYBNg5pzb.exe
  "C:\Users\Admin\Pictures\Minor Policy\RfQu_OTPMcS0haeMYBNg5pzb.exe"
  2⤵
  PID:3848
- C:\Users\Admin\Pictures\Minor Policy\QeXGa9GtML7b4q26OcGCdJsd.exe
  "C:\Users\Admin\Pictures\Minor Policy\QeXGa9GtML7b4q26OcGCdJsd.exe"
  2⤵
  PID:4972
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /im "QeXGa9GtML7b4q26OcGCdJsd.exe" /f & erase "C:\Users\Admin\Pictures\Minor Policy\QeXGa9GtML7b4q26OcGCdJsd.exe" & exit
    3⤵
    PID:20752
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /im "QeXGa9GtML7b4q26OcGCdJsd.exe" /f
      4⤵
      Kills process with taskkill
      PID:50200
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c pause
  2⤵
  PID:5032

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1244

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3320

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
1⤵
- Process spawned unexpected child process
PID:58944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
  2⤵
  PID:58960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 58960 -ip 58960
1⤵
PID:70572

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Scripting

T1064

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

File and Directory Permissions Modification

T1222

Scripting

T1064

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

System Information Discovery