254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9

General

Target
254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe
Size 4.0MB
Sample220520-1gjqeahagm
SHA256 254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9
MD5 8adcb0f839eafc44fb2089457e6bbe8a
SHA1 5b6ae8c5dd9e6ec6aa38dcdb32bfbbca8d0b53c9
SHA512 18373ded0cf20d95ed1fa1c79c810c4370f1a811eab21a11c0a6e0a78de56fd06dc5c0663f1db44b9e612efda0ca921934ed7eba96b0eb26f1e0ceb652705b6b
MD5 SHA1 SHA512

Score

9^/10

evasion themida trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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	254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/3604-130-0x0000000000400000-0x0000000000B92000-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	254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3604	254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4232	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3604	254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe
Token: SeDebugPrivilege	4232	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 4880	3604	254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe	87
PID 3604 wrote to memory of 4880	3604	254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe	87
PID 3604 wrote to memory of 4880	3604	254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe	87
PID 4880 wrote to memory of 4232	4880	cmd.exe	89
PID 4880 wrote to memory of 4232	4880	cmd.exe	89
PID 4880 wrote to memory of 4232	4880	cmd.exe	89
PID 4880 wrote to memory of 4936	4880	cmd.exe	90
PID 4880 wrote to memory of 4936	4880	cmd.exe	90
PID 4880 wrote to memory of 4936	4880	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe
"C:\Users\Admin\AppData\Local\Temp\254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C taskkill /F /PID 3604 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\254a01201348193e84d5c4962393ad1350bf926853d035afabdb17e7e728a6a9.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4880
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /PID 3604
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4232
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    PID:4936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/3604-130-0x0000000000400000-0x0000000000B92000-memory.dmp

Download

memory/3604-131-0x0000000077730000-0x00000000778D3000-memory.dmp

Download

memory/3604-132-0x0000000005910000-0x0000000005EB4000-memory.dmp

Download

memory/3604-133-0x0000000005EC0000-0x00000000064D8000-memory.dmp

Download

memory/3604-134-0x0000000006560000-0x0000000006572000-memory.dmp

Download

memory/3604-135-0x0000000006580000-0x00000000065BC000-memory.dmp

Download

memory/3604-136-0x00000000066C0000-0x00000000067CA000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads