01af533690ce972a69714876d3abc2f5c335b71a3de663b4a1523fdf2971c1c4

Analysis

max time kernel
150s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
03/05/2023, 01:16

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General

Target

2f090c38f238f2b1832d4d35ac187478.exe
Size

14.3MB
MD5

2f090c38f238f2b1832d4d35ac187478
SHA1

cf4fd5e9a8901fa9a9a1341c37db867d00d250b2
SHA256

01af533690ce972a69714876d3abc2f5c335b71a3de663b4a1523fdf2971c1c4
SHA512

cd9dac1ba309b146d467996ba3683ea24844a4e254b91738c5e2e511e35da908787a0a4350e08f0a1e6ffaaec98696209343706645c1442c593d011f5fb18614
SSDEEP

393216:zCcG29/suG6eV0ii36jf8ByQ/J3lZvt1ZfoWpBPsF:zZG2mmE0iYiEokJPZfohF

Score

9^/10

evasion persistence themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2f090c38f238f2b1832d4d35ac187478.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\w32time\Parameters\ServiceDll = "C:\\Windows\\system32\\w32time.DLL"	w32tm.exe

Checks BIOS information in registry 2 TTPs 2 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	2f090c38f238f2b1832d4d35ac187478.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2f090c38f238f2b1832d4d35ac187478.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/836-55-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-54-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-56-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-57-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-58-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-59-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-61-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-62-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-70-0x000000013F380000-0x0000000141865000-memory.dmp	themida
behavioral1/memory/836-109-0x000000013F380000-0x0000000141865000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2f090c38f238f2b1832d4d35ac187478.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
836	2f090c38f238f2b1832d4d35ac187478.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1808	836	WerFault.exe	27

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
900	powershell.exe
1408	powershell.exe
1344	powershell.exe
2036	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	900	powershell.exe
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeDebugPrivilege	1344	powershell.exe
Token: SeDebugPrivilege	2036	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
836	2f090c38f238f2b1832d4d35ac187478.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 900	836	2f090c38f238f2b1832d4d35ac187478.exe	28
PID 836 wrote to memory of 900	836	2f090c38f238f2b1832d4d35ac187478.exe	28
PID 836 wrote to memory of 900	836	2f090c38f238f2b1832d4d35ac187478.exe	28
PID 836 wrote to memory of 1424	836	2f090c38f238f2b1832d4d35ac187478.exe	30
PID 836 wrote to memory of 1424	836	2f090c38f238f2b1832d4d35ac187478.exe	30
PID 836 wrote to memory of 1424	836	2f090c38f238f2b1832d4d35ac187478.exe	30
PID 1424 wrote to memory of 848	1424	net.exe	32
PID 1424 wrote to memory of 848	1424	net.exe	32
PID 1424 wrote to memory of 848	1424	net.exe	32
PID 836 wrote to memory of 1648	836	2f090c38f238f2b1832d4d35ac187478.exe	33
PID 836 wrote to memory of 1648	836	2f090c38f238f2b1832d4d35ac187478.exe	33
PID 836 wrote to memory of 1648	836	2f090c38f238f2b1832d4d35ac187478.exe	33
PID 836 wrote to memory of 924	836	2f090c38f238f2b1832d4d35ac187478.exe	36
PID 836 wrote to memory of 924	836	2f090c38f238f2b1832d4d35ac187478.exe	36
PID 836 wrote to memory of 924	836	2f090c38f238f2b1832d4d35ac187478.exe	36
PID 836 wrote to memory of 1092	836	2f090c38f238f2b1832d4d35ac187478.exe	37
PID 836 wrote to memory of 1092	836	2f090c38f238f2b1832d4d35ac187478.exe	37
PID 836 wrote to memory of 1092	836	2f090c38f238f2b1832d4d35ac187478.exe	37
PID 1092 wrote to memory of 876	1092	net.exe	39
PID 1092 wrote to memory of 876	1092	net.exe	39
PID 1092 wrote to memory of 876	1092	net.exe	39
PID 836 wrote to memory of 1344	836	2f090c38f238f2b1832d4d35ac187478.exe	41
PID 836 wrote to memory of 1344	836	2f090c38f238f2b1832d4d35ac187478.exe	41
PID 836 wrote to memory of 1344	836	2f090c38f238f2b1832d4d35ac187478.exe	41
PID 836 wrote to memory of 1408	836	2f090c38f238f2b1832d4d35ac187478.exe	40
PID 836 wrote to memory of 1408	836	2f090c38f238f2b1832d4d35ac187478.exe	40
PID 836 wrote to memory of 1408	836	2f090c38f238f2b1832d4d35ac187478.exe	40
PID 836 wrote to memory of 2036	836	2f090c38f238f2b1832d4d35ac187478.exe	43
PID 836 wrote to memory of 2036	836	2f090c38f238f2b1832d4d35ac187478.exe	43
PID 836 wrote to memory of 2036	836	2f090c38f238f2b1832d4d35ac187478.exe	43
PID 836 wrote to memory of 1808	836	2f090c38f238f2b1832d4d35ac187478.exe	46
PID 836 wrote to memory of 1808	836	2f090c38f238f2b1832d4d35ac187478.exe	46
PID 836 wrote to memory of 1808	836	2f090c38f238f2b1832d4d35ac187478.exe	46

C:\Users\Admin\AppData\Local\Temp\2f090c38f238f2b1832d4d35ac187478.exe
"C:\Users\Admin\AppData\Local\Temp\2f090c38f238f2b1832d4d35ac187478.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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -command Remove-Item 'C:\Users\Admin\AppData\Local\Temp\2f090c38f238f2b1832d4d35ac187478.exe.bak' -force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:900
- C:\Windows\system32\net.exe
  net stop w32time
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop w32time
    3⤵
    PID:848
- C:\Windows\system32\w32tm.exe
  w32tm /unregister
  2⤵
  PID:1648
- C:\Windows\system32\w32tm.exe
  w32tm /register
  2⤵
  - Sets DLL path for service in the registry
  PID:924
- C:\Windows\system32\net.exe
  net start w32time
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 start w32time
    3⤵
    PID:876
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -command "confirm-securebootuefi"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1408
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell (GWMI Win32_Processor).VirtualizationFirmwareEnabled
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1344
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -command "$env:firmware_type"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2036
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 836 -s 992
  2⤵
  - Program crash
  PID:1808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
c0eb13684ebaa8efed5b4ced4c11ad4a

SHA1
5c0390547695acdaac93cac2b57d204cf8fab440

SHA256
6827cfd60edd44e379e3d824de4ea76fc3fc6a1213b4f420e8dbd3f52e7b4071

SHA512
50c21ab770e3d3c3a777cd4aa1c5e463d40548e250628b92029bfd83b83be281f3f70a0d6d6a9fe623e2e0769570744820fed94bd4378f4e6131052e96f552de

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
c0eb13684ebaa8efed5b4ced4c11ad4a

SHA1
5c0390547695acdaac93cac2b57d204cf8fab440

SHA256
6827cfd60edd44e379e3d824de4ea76fc3fc6a1213b4f420e8dbd3f52e7b4071

SHA512
50c21ab770e3d3c3a777cd4aa1c5e463d40548e250628b92029bfd83b83be281f3f70a0d6d6a9fe623e2e0769570744820fed94bd4378f4e6131052e96f552de

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
c0eb13684ebaa8efed5b4ced4c11ad4a

SHA1
5c0390547695acdaac93cac2b57d204cf8fab440

SHA256
6827cfd60edd44e379e3d824de4ea76fc3fc6a1213b4f420e8dbd3f52e7b4071

SHA512
50c21ab770e3d3c3a777cd4aa1c5e463d40548e250628b92029bfd83b83be281f3f70a0d6d6a9fe623e2e0769570744820fed94bd4378f4e6131052e96f552de

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\W802HRLKDG1VT7RHKZ21.temp

Filesize
7KB

MD5
c0eb13684ebaa8efed5b4ced4c11ad4a

SHA1
5c0390547695acdaac93cac2b57d204cf8fab440

SHA256
6827cfd60edd44e379e3d824de4ea76fc3fc6a1213b4f420e8dbd3f52e7b4071

SHA512
50c21ab770e3d3c3a777cd4aa1c5e463d40548e250628b92029bfd83b83be281f3f70a0d6d6a9fe623e2e0769570744820fed94bd4378f4e6131052e96f552de

Download Submit
memory/836-62-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-57-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-61-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-55-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-109-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-54-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-56-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-70-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-59-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-58-0x000000013F380000-0x0000000141865000-memory.dmp

Filesize
36.9MB

Download
memory/836-84-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

Filesize
64KB

Download
memory/900-68-0x000000001B130000-0x000000001B412000-memory.dmp

Filesize
2.9MB

Download
memory/900-67-0x0000000002780000-0x0000000002800000-memory.dmp

Filesize
512KB

Download
memory/900-71-0x0000000002780000-0x0000000002800000-memory.dmp

Filesize
512KB

Download
memory/900-69-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/900-73-0x0000000002780000-0x0000000002800000-memory.dmp

Filesize
512KB

Download
memory/900-72-0x0000000002780000-0x0000000002800000-memory.dmp

Filesize
512KB

Download
memory/1344-114-0x00000000028B0000-0x0000000002930000-memory.dmp

Filesize
512KB

Download
memory/1344-113-0x00000000028B0000-0x0000000002930000-memory.dmp

Filesize
512KB

Download
memory/1344-112-0x00000000028B0000-0x0000000002930000-memory.dmp

Filesize
512KB

Download
memory/1408-111-0x000000000236B000-0x00000000023A2000-memory.dmp

Filesize
220KB

Download
memory/1408-110-0x0000000002364000-0x0000000002367000-memory.dmp

Filesize
12KB

Download
memory/1408-101-0x00000000023E0000-0x00000000023E8000-memory.dmp

Filesize
32KB

Download
memory/2036-107-0x0000000002424000-0x0000000002427000-memory.dmp

Filesize
12KB

Download
memory/2036-108-0x000000000242B000-0x0000000002462000-memory.dmp

Filesize
220KB

Download
memory/2036-100-0x000000001B070000-0x000000001B352000-memory.dmp

Filesize
2.9MB

Download