46fe5192387d3f897a134d29c069ebf39c72094c892134d2f0e77b12b11a6172

General

Target

4.exe
Size

3.6MB
MD5

f96eb2236970fb3ea97101b923af4228
SHA1

e0eed80f1054acbf5389a7b8860a4503dd3e184a
SHA256

46fe5192387d3f897a134d29c069ebf39c72094c892134d2f0e77b12b11a6172
SHA512

2fd2d28c5f571d40b43a4dd7a22d367ba42420c29627f21ca0a2052070ffb9f689d80dad638238189eed26ed19af626f47e70f1207e10007041c620dac323cc7
SSDEEP

98304:z7m+ij9HD0+jCihNRkl/W6aG/wcKnfu8NUT6Ko:e+y4ihkl/Wo/afHPb

Score

9^/10

defense_evasion discovery themida trojan

Malware Config

Signatures

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4.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	4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2436-0-0x000000013F8C0000-0x0000000140262000-memory.dmp	themida
behavioral1/memory/2436-4-0x000000013F8C0000-0x0000000140262000-memory.dmp	themida
behavioral1/memory/2436-5-0x000000013F8C0000-0x0000000140262000-memory.dmp	themida
behavioral1/memory/2436-3-0x000000013F8C0000-0x0000000140262000-memory.dmp	themida
behavioral1/memory/2436-2-0x000000013F8C0000-0x0000000140262000-memory.dmp	themida
behavioral1/memory/2436-6-0x000000013F8C0000-0x0000000140262000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2436	4.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2428	cmd.exe

Kills process with taskkill 3 IoCs

defense_evasion

pid	Process
2564	taskkill.exe
2208	taskkill.exe
2728	taskkill.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	taskkill.exe
Token: SeDebugPrivilege	2208	taskkill.exe
Token: SeDebugPrivilege	2728	taskkill.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 1860	2436	4.exe	31
PID 2436 wrote to memory of 1860	2436	4.exe	31
PID 2436 wrote to memory of 1860	2436	4.exe	31
PID 1860 wrote to memory of 2564	1860	cmd.exe	32
PID 1860 wrote to memory of 2564	1860	cmd.exe	32
PID 1860 wrote to memory of 2564	1860	cmd.exe	32
PID 2436 wrote to memory of 2428	2436	4.exe	34
PID 2436 wrote to memory of 2428	2436	4.exe	34
PID 2436 wrote to memory of 2428	2436	4.exe	34
PID 2428 wrote to memory of 2208	2428	cmd.exe	35
PID 2428 wrote to memory of 2208	2428	cmd.exe	35
PID 2428 wrote to memory of 2208	2428	cmd.exe	35
PID 2436 wrote to memory of 2708	2436	4.exe	36
PID 2436 wrote to memory of 2708	2436	4.exe	36
PID 2436 wrote to memory of 2708	2436	4.exe	36
PID 2708 wrote to memory of 2728	2708	cmd.exe	37
PID 2708 wrote to memory of 2728	2708	cmd.exe	37
PID 2708 wrote to memory of 2728	2708	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.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 WriteProcessMemory
PID:2436
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im EpicGamesLauncher.exe >nul 2>&1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\system32\taskkill.exe
    taskkill /f /im EpicGamesLauncher.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2564
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im FortniteClient-Win64-Shipping.exe >nul 2>&1
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\system32\taskkill.exe
    taskkill /f /im FortniteClient-Win64-Shipping.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2208
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im Battle.net.exe >nul 2>&1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\system32\taskkill.exe
    taskkill /f /im Battle.net.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2728

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2436-0-0x000000013F8C0000-0x0000000140262000-memory.dmp

Filesize
9.6MB

Download
memory/2436-1-0x00000000772D0000-0x00000000772D2000-memory.dmp

Filesize
8KB

Download
memory/2436-4-0x000000013F8C0000-0x0000000140262000-memory.dmp

Filesize
9.6MB

Download
memory/2436-5-0x000000013F8C0000-0x0000000140262000-memory.dmp

Filesize
9.6MB

Download
memory/2436-3-0x000000013F8C0000-0x0000000140262000-memory.dmp

Filesize
9.6MB

Download
memory/2436-2-0x000000013F8C0000-0x0000000140262000-memory.dmp

Filesize
9.6MB

Download
memory/2436-6-0x000000013F8C0000-0x0000000140262000-memory.dmp

Filesize
9.6MB

Download
memory/2436-8-0x00000000772D0000-0x00000000772D2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads