4ef56786406de222d74924b80a77a016baeaba25c1e503c14bde82e632323d01

General

Target

f6dc77cf97248705.exe
Size

7.5MB
MD5

9c55c7aa31fb62d86dd01acb874915e4
SHA1

f3a6e8c137161cf019f348478e16b6567349d0de
SHA256

4ef56786406de222d74924b80a77a016baeaba25c1e503c14bde82e632323d01
SHA512

595fb7eed1c572786c76a6693dbd6699974919e6c49af5d56663c1ec1c7a5e6f57674705e250ab95b86fce45878272e094509b59dbe2f9da5347b0e494391ee6
SSDEEP

98304:NV06zzC5ONdCPQxBvHy4njc2WPIu55CecI5WZvTvR/Tu0V2ulGWKILcj:Y6a3PQxN1jFWPR5IedC5flGWE

Score

9^/10

evasion 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__	f6dc77cf97248705.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	f6dc77cf97248705.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f6dc77cf97248705.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1748-0-0x000000013FC50000-0x0000000140CC2000-memory.dmp	themida
behavioral1/memory/1748-8-0x000000013FC50000-0x0000000140CC2000-memory.dmp	themida
behavioral1/memory/1748-18-0x000000013FC50000-0x0000000140CC2000-memory.dmp	themida
behavioral1/memory/1748-17-0x000000013FC50000-0x0000000140CC2000-memory.dmp	themida
behavioral1/memory/1748-16-0x000000013FC50000-0x0000000140CC2000-memory.dmp	themida
behavioral1/memory/1748-9-0x000000013FC50000-0x0000000140CC2000-memory.dmp	themida
behavioral1/memory/1748-7-0x000000013FC50000-0x0000000140CC2000-memory.dmp	themida
behavioral1/memory/1748-20-0x000000013FC50000-0x0000000140CC2000-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	f6dc77cf97248705.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1748	f6dc77cf97248705.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1748	f6dc77cf97248705.exe
1748	f6dc77cf97248705.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2396	1748	f6dc77cf97248705.exe	31
PID 1748 wrote to memory of 2396	1748	f6dc77cf97248705.exe	31
PID 1748 wrote to memory of 2396	1748	f6dc77cf97248705.exe	31
PID 1748 wrote to memory of 2204	1748	f6dc77cf97248705.exe	32
PID 1748 wrote to memory of 2204	1748	f6dc77cf97248705.exe	32
PID 1748 wrote to memory of 2204	1748	f6dc77cf97248705.exe	32

C:\Users\Admin\AppData\Local\Temp\f6dc77cf97248705.exe
"C:\Users\Admin\AppData\Local\Temp\f6dc77cf97248705.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:1748
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2396
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1748 -s 572
  2⤵
  PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/1748-0-0x000000013FC50000-0x0000000140CC2000-memory.dmp

Filesize
16.4MB

Download
memory/1748-3-0x000007FEFDAD0000-0x000007FEFDB3C000-memory.dmp

Filesize
432KB

Download
memory/1748-2-0x000007FEFDAD0000-0x000007FEFDB3C000-memory.dmp

Filesize
432KB

Download
memory/1748-1-0x000007FEFDAE4000-0x000007FEFDAE5000-memory.dmp

Filesize
4KB

Download
memory/1748-5-0x000007FEFDAD0000-0x000007FEFDB3C000-memory.dmp

Filesize
432KB

Download
memory/1748-4-0x000007FEFDAD0000-0x000007FEFDB3C000-memory.dmp

Filesize
432KB

Download
memory/1748-6-0x000007FEFDAD0000-0x000007FEFDB3C000-memory.dmp

Filesize
432KB

Download
memory/1748-8-0x000000013FC50000-0x0000000140CC2000-memory.dmp

Filesize
16.4MB

Download
memory/1748-11-0x0000000180000000-0x0000000180263000-memory.dmp

Filesize
2.4MB

Download
memory/1748-18-0x000000013FC50000-0x0000000140CC2000-memory.dmp

Filesize
16.4MB

Download
memory/1748-17-0x000000013FC50000-0x0000000140CC2000-memory.dmp

Filesize
16.4MB

Download
memory/1748-16-0x000000013FC50000-0x0000000140CC2000-memory.dmp

Filesize
16.4MB

Download
memory/1748-9-0x000000013FC50000-0x0000000140CC2000-memory.dmp

Filesize
16.4MB

Download
memory/1748-7-0x000000013FC50000-0x0000000140CC2000-memory.dmp

Filesize
16.4MB

Download
memory/1748-10-0x0000000180000000-0x0000000180263000-memory.dmp

Filesize
2.4MB

Download
memory/1748-19-0x000007FEFDAD0000-0x000007FEFDB3C000-memory.dmp

Filesize
432KB

Download
memory/1748-20-0x000000013FC50000-0x0000000140CC2000-memory.dmp

Filesize
16.4MB

Download
memory/1748-21-0x000007FEFDAD0000-0x000007FEFDB3C000-memory.dmp

Filesize
432KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads