a750a11f9a9f3ec4e33c8ba6a8625efd1b503bf7b203bf4da5afdd7af401f9ef

General

Target

Horizon.exe
Size

3.8MB
MD5

94d5058bf7ad8926dffd3018f2b6aa9e
SHA1

539a4ecba5c902c66f9de29ab9295fb5a4be0fef
SHA256

a750a11f9a9f3ec4e33c8ba6a8625efd1b503bf7b203bf4da5afdd7af401f9ef
SHA512

649cda91eb9d8c9972bebdee8b23e50c183ee47da07ed4f6e5530b99169bad0772df949416d0f69c7d40274264a5d0417f46dce45fae8c5157ea267f43274d87
SSDEEP

98304:Zfznze/jaG0IXf/ny+FJNWc6HqL1t/QhhiC+UI5zEk:ZzsaG0Sf/DNW5KL1t/Qfvxk

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__	Horizon.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv"	Horizon.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	Horizon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Horizon.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2924-0-0x000000013F6F0000-0x00000001400E5000-memory.dmp	themida
behavioral1/memory/2924-2-0x000000013F6F0000-0x00000001400E5000-memory.dmp	themida
behavioral1/memory/2924-3-0x000000013F6F0000-0x00000001400E5000-memory.dmp	themida
behavioral1/memory/2924-4-0x000000013F6F0000-0x00000001400E5000-memory.dmp	themida
behavioral1/memory/2924-5-0x000000013F6F0000-0x00000001400E5000-memory.dmp	themida
behavioral1/memory/2924-6-0x000000013F6F0000-0x00000001400E5000-memory.dmp	themida
behavioral1/memory/2924-9-0x000000013F6F0000-0x00000001400E5000-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	Horizon.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2924	Horizon.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2924	Horizon.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2924	Horizon.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 1752	2924	Horizon.exe	29
PID 2924 wrote to memory of 1752	2924	Horizon.exe	29
PID 2924 wrote to memory of 1752	2924	Horizon.exe	29
PID 2924 wrote to memory of 2512	2924	Horizon.exe	30
PID 2924 wrote to memory of 2512	2924	Horizon.exe	30
PID 2924 wrote to memory of 2512	2924	Horizon.exe	30

C:\Users\Admin\AppData\Local\Temp\Horizon.exe
"C:\Users\Admin\AppData\Local\Temp\Horizon.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Sets service image path in registry
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color B
  2⤵
  PID:1752
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2924 -s 192
  2⤵
  PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2924-0-0x000000013F6F0000-0x00000001400E5000-memory.dmp

Filesize
10.0MB

Download
memory/2924-1-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/2924-2-0x000000013F6F0000-0x00000001400E5000-memory.dmp

Filesize
10.0MB

Download
memory/2924-3-0x000000013F6F0000-0x00000001400E5000-memory.dmp

Filesize
10.0MB

Download
memory/2924-4-0x000000013F6F0000-0x00000001400E5000-memory.dmp

Filesize
10.0MB

Download
memory/2924-5-0x000000013F6F0000-0x00000001400E5000-memory.dmp

Filesize
10.0MB

Download
memory/2924-6-0x000000013F6F0000-0x00000001400E5000-memory.dmp

Filesize
10.0MB

Download
memory/2924-8-0x00000000023E0000-0x00000000029C8000-memory.dmp

Filesize
5.9MB

Download
memory/2924-9-0x000000013F6F0000-0x00000001400E5000-memory.dmp

Filesize
10.0MB

Download
memory/2924-10-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads