402c0ab258264cc9759adc7c34627bef4c44427e0bd76eb75a0bdb577d01e40d

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2024, 03:22

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General

Target

UniversalNoRecoil.exe
Size

3.5MB
MD5

09bc1e644be731132ca33f86ef2aa866
SHA1

910616c61bc4b47b52840d12acad335a7296a501
SHA256

402c0ab258264cc9759adc7c34627bef4c44427e0bd76eb75a0bdb577d01e40d
SHA512

6a25c0e413c97b605c7081f9eef45f934067f708d7d38ea50d3c6c4cf2b33f5043558d871c509b3185860d3c06989454e0f5521e740d6700fdee91cf808cbfda
SSDEEP

49152:8XzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVffBcdelkuR7X39c3CnD:8XzhW148Pd+Tf1mpcOldJQ3/VffBGlA

Score

10^/10

evasion persistence themida trojan

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 6 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	spoolsv.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	spoolsv.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	UniversalNoRecoil.exe

Checks BIOS information in registry 2 TTPs 12 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	UniversalNoRecoil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	UniversalNoRecoil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	icsys.icn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	icsys.icn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	spoolsv.exe

Executes dropped EXE 6 IoCs

pid	Process
5064	universalnorecoil.exe
2428	icsys.icn.exe
1412	explorer.exe
4280	spoolsv.exe
468	svchost.exe
1840	spoolsv.exe

Themida packer 17 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/3600-0-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/files/0x00080000000234e1-12.dat	themida
behavioral2/memory/2428-13-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/files/0x00080000000234e3-19.dat	themida
behavioral2/memory/1412-22-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/files/0x00080000000234e5-29.dat	themida
behavioral2/memory/4280-31-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/files/0x00080000000234e7-39.dat	themida
behavioral2/memory/468-40-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/memory/1840-45-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/memory/3600-56-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/memory/2428-55-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/memory/4280-51-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/memory/1840-52-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/memory/1412-57-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/memory/468-58-0x0000000000400000-0x0000000000A16000-memory.dmp	themida
behavioral2/memory/1412-70-0x0000000000400000-0x0000000000A16000-memory.dmp	themida

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe

Checks whether UAC is enabled 1 TTPs 6 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	UniversalNoRecoil.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	icsys.icn.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorer.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	spoolsv.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
3600	UniversalNoRecoil.exe
2428	icsys.icn.exe
1412	explorer.exe
4280	spoolsv.exe
468	svchost.exe
1840	spoolsv.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	UniversalNoRecoil.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
2428	icsys.icn.exe

Suspicious behavior: GetForegroundWindowSpam 3 IoCs

pid	Process
5064	universalnorecoil.exe
1412	explorer.exe
468	svchost.exe

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
3600	UniversalNoRecoil.exe
3600	UniversalNoRecoil.exe
5064	universalnorecoil.exe
5064	universalnorecoil.exe
2428	icsys.icn.exe
2428	icsys.icn.exe
1412	explorer.exe
1412	explorer.exe
4280	spoolsv.exe
4280	spoolsv.exe
468	svchost.exe
468	svchost.exe
1840	spoolsv.exe
1840	spoolsv.exe
5064	universalnorecoil.exe
5064	universalnorecoil.exe
5064	universalnorecoil.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 5064	3600	UniversalNoRecoil.exe	87
PID 3600 wrote to memory of 5064	3600	UniversalNoRecoil.exe	87
PID 3600 wrote to memory of 2428	3600	UniversalNoRecoil.exe	88
PID 3600 wrote to memory of 2428	3600	UniversalNoRecoil.exe	88
PID 3600 wrote to memory of 2428	3600	UniversalNoRecoil.exe	88
PID 2428 wrote to memory of 1412	2428	icsys.icn.exe	90
PID 2428 wrote to memory of 1412	2428	icsys.icn.exe	90
PID 2428 wrote to memory of 1412	2428	icsys.icn.exe	90
PID 1412 wrote to memory of 4280	1412	explorer.exe	91
PID 1412 wrote to memory of 4280	1412	explorer.exe	91
PID 1412 wrote to memory of 4280	1412	explorer.exe	91
PID 4280 wrote to memory of 468	4280	spoolsv.exe	92
PID 4280 wrote to memory of 468	4280	spoolsv.exe	92
PID 4280 wrote to memory of 468	4280	spoolsv.exe	92
PID 468 wrote to memory of 1840	468	svchost.exe	94
PID 468 wrote to memory of 1840	468	svchost.exe	94
PID 468 wrote to memory of 1840	468	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\UniversalNoRecoil.exe
"C:\Users\Admin\AppData\Local\Temp\UniversalNoRecoil.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3600
- \??\c:\users\admin\appdata\local\temp\universalnorecoil.exe
  c:\users\admin\appdata\local\temp\universalnorecoil.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:5064
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2428
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in System32 directory
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Drops file in Windows directory
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1412
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Executes dropped EXE
      Checks whether UAC is enabled
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Drops file in Windows directory
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4280
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        Modifies visiblity of hidden/system files in Explorer
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Executes dropped EXE
        Adds Run key to start application
        Checks whether UAC is enabled
        Drops file in System32 directory
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:468
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of SetWindowsHookEx
        
        PID:1840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\universalnorecoil.exe

Filesize
904KB

MD5
73ba1b093985d6b09ff3107b9f635630

SHA1
a8528462159913b96bbb1e870f0a738f363f2fb9

SHA256
c6874a0e7add4cc916b6dbe67326898f48ccd6cfc3f47eb15cd7545b409b7ef4

SHA512
9391130aff46a4fcfccb17d9bcfb220d4cab55958e66008d8d4691ce3aa3d13e963cfe8485a2400d915052da31233b84e02f1d547965a626f326a6c533624fd5

Download Submit
C:\Windows\Resources\Themes\explorer.exe

Filesize
2.6MB

MD5
4108c664df6172f02d9afd5f7eafccf5

SHA1
1bd7b12e4f39d89e79254de2fe138ca76fb4cde4

SHA256
58be7352b8be71ce006022a39ef775a93e0b1e93d7fcc75ae028400f43df1d9f

SHA512
31d0d67cc6440e94b0de17a0c317a6e625886e560e19d30af050624be59b9b007830a707bb9d79c31910bac53e52595a851b0eb3e27cb08871f90d52c40d52f7

Download Submit
C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
2.6MB

MD5
0e4a7348e7f8e650078b9ba71b41cb1f

SHA1
915a1307afa15b869c126f1ad53ff117adb92a2f

SHA256
b6b91aaae7444b22a1d25744fcb441069fc18e9be3675f4953429650bd5acd33

SHA512
03c634b9c97525b3918748bfafc8be126abddd27f3810eef93c94e8b1f569d3164559b2ecd0d35e2c3c26271863a5be30aae1cf82e60a3a53a46da4f7718df60

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
2.6MB

MD5
5ef304451541e0f70d18f63abed4f576

SHA1
7149df1a5b99cd3952dbdbdde0f1175444375ee5

SHA256
7595ab0bce054c5a9e2f445839f3267a60466745d23f25769177fa64a0d4e731

SHA512
33ae7cb4a443ec0b18378f380be4f9d3aa8602c1f296af12bda3dcdaa4023739c8da8401f76c9e16c4da720fe6b019473cc9ae820f0b7b1b6a73aec945de64a3

Download Submit
\??\c:\windows\resources\svchost.exe

Filesize
2.6MB

MD5
da3654bbee0ebb961012f8d0e3b91736

SHA1
35bdc6558fa5ab229a1d16b084415051e8db2f3c

SHA256
6daa5d138e5241b0e0da54e3ca71a71d3177c788e5ae33efbc7b72901a6b2476

SHA512
cfb0dfc3a26dca9c4986c8f68d2cc101dbdbac6549e1c77bdd34490d32a6036ba232e1fb073c59b0e1d3489324f42f63c54440d6f345a5611ce46c89df88920b

Download Submit
memory/468-58-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/468-40-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/1412-22-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/1412-70-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/1412-57-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/1840-52-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/1840-45-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/2428-13-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/2428-55-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/3600-56-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/3600-0-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/3600-1-0x0000000077454000-0x0000000077456000-memory.dmp

Filesize
8KB

Download
memory/4280-51-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download
memory/4280-31-0x0000000000400000-0x0000000000A16000-memory.dmp

Filesize
6.1MB

Download