29fc2b99b81c16d8f3d150a78787d2e6c7702db5eb2e8e640f14daff54ee68aa

General

Target

horizon.exe
Size

3.9MB
MD5

c508af023f6840ba0132e9f19e2b69ce
SHA1

21bad2f355a0f8f0364343f6bc201103205626ad
SHA256

29fc2b99b81c16d8f3d150a78787d2e6c7702db5eb2e8e640f14daff54ee68aa
SHA512

89bb44d2c98ad11457b471681ead1b4755553bc35250878b1965337951962d5d366ddc7fe0825b1814607f65112332f98dcd9d02b096e21b8b4b5a7b19c22a32
SSDEEP

98304:bISoiJw2+vkeJWCs8vEABxN4Xi8lKRZbFDme3G/Q:bKiJw2I0CzNe9lKZR34Q

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 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2864-0-0x000000013F2A0000-0x000000013FCDD000-memory.dmp	themida
behavioral1/memory/2864-2-0x000000013F2A0000-0x000000013FCDD000-memory.dmp	themida
behavioral1/memory/2864-3-0x000000013F2A0000-0x000000013FCDD000-memory.dmp	themida
behavioral1/memory/2864-4-0x000000013F2A0000-0x000000013FCDD000-memory.dmp	themida
behavioral1/memory/2864-5-0x000000013F2A0000-0x000000013FCDD000-memory.dmp	themida
behavioral1/memory/2864-6-0x000000013F2A0000-0x000000013FCDD000-memory.dmp	themida
behavioral1/memory/2864-9-0x000000013F2A0000-0x000000013FCDD000-memory.dmp	themida
behavioral1/memory/2864-15-0x000000013F2A0000-0x000000013FCDD000-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
2864	horizon.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2864	horizon.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2864	horizon.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2620	2864	horizon.exe	29
PID 2864 wrote to memory of 2620	2864	horizon.exe	29
PID 2864 wrote to memory of 2620	2864	horizon.exe	29
PID 2864 wrote to memory of 2164	2864	horizon.exe	30
PID 2864 wrote to memory of 2164	2864	horizon.exe	30
PID 2864 wrote to memory of 2164	2864	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:2864
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color B
  2⤵
  PID:2620
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2864 -s 196
  2⤵
  PID:2164

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2680

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/2864-0-0x000000013F2A0000-0x000000013FCDD000-memory.dmp

Filesize
10.2MB

Download
memory/2864-2-0x000000013F2A0000-0x000000013FCDD000-memory.dmp

Filesize
10.2MB

Download
memory/2864-3-0x000000013F2A0000-0x000000013FCDD000-memory.dmp

Filesize
10.2MB

Download
memory/2864-1-0x0000000077620000-0x00000000777C9000-memory.dmp

Filesize
1.7MB

Download
memory/2864-4-0x000000013F2A0000-0x000000013FCDD000-memory.dmp

Filesize
10.2MB

Download
memory/2864-5-0x000000013F2A0000-0x000000013FCDD000-memory.dmp

Filesize
10.2MB

Download
memory/2864-6-0x000000013F2A0000-0x000000013FCDD000-memory.dmp

Filesize
10.2MB

Download
memory/2864-8-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2864-9-0x000000013F2A0000-0x000000013FCDD000-memory.dmp

Filesize
10.2MB

Download
memory/2864-11-0x0000000077620000-0x00000000777C9000-memory.dmp

Filesize
1.7MB

Download
memory/2864-15-0x000000013F2A0000-0x000000013FCDD000-memory.dmp

Filesize
10.2MB

Download
memory/2864-16-0x0000000077620000-0x00000000777C9000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads