67d6547f4024b6fefc861cf459edd084508b06606d98b79cf7e323fe88057e79

Resubmissions

30-05-2024 18:56

240530-xlvfxshe33 9

30-05-2024 18:54

240530-xkezvagb8v 9

29-05-2024 23:57

240529-3zvazaeg6s 9

Analysis

max time kernel
12s
max time network
7s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29-05-2024 23:57

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General

Target

asa.exe
Size

7.0MB
MD5

e0c26d4ff2caf2baaa9968b6a1fd33ff
SHA1

5631a0da13af42bbacbcfc2e878a37b857c21157
SHA256

67d6547f4024b6fefc861cf459edd084508b06606d98b79cf7e323fe88057e79
SHA512

a3710eefa23286dbd704d26f9d5fb5f7f4cdf4433b6c4d84238e2c9b689b4e17c0dfb29912f9796f9a4f1d61c1f0e96348effb737895ff90df58088372a367d5
SSDEEP

98304:EB2pC6XG4HNkq5UKPhc24Y1/QPldHVTgPNhV0ADXqQgpkWDRIZVMnu0jjD8ueJU:tcUG4raKu24YY7HVT4hV0AD6QgqKRgX

Score

9^/10

agilenet 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

Processes:

asa.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ asa.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	asa.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

Processes:

asa.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	asa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	asa.exe

Loads dropped DLL 1 IoCs

Processes:

asa.exe

pid process

240 asa.exe

pid	process
240	asa.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/240-1-0x0000000000EF0000-0x00000000015FA000-memory.dmp	agile_net

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\46f17dfb-dd93-4b8b-9636-058b2dc118e8\AgileDotNetRT.dll	themida
behavioral1/memory/240-10-0x00000000722C0000-0x0000000072A45000-memory.dmp	themida
behavioral1/memory/240-13-0x00000000722C0000-0x0000000072A45000-memory.dmp	themida
behavioral1/memory/240-14-0x00000000722C0000-0x0000000072A45000-memory.dmp	themida
behavioral1/memory/240-21-0x00000000722C0000-0x0000000072A45000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

asa.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA asa.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

asa.exe

pid process

240 asa.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

asa.exe

pid process

240 asa.exe
240 asa.exe

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

pid	process
240	asa.exe

pid	process
240	asa.exe
240	asa.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

Processes:

asa.exewmic.exe

description	pid	process
Token: SeDebugPrivilege	240	asa.exe
Token: SeIncreaseQuotaPrivilege	3552	wmic.exe
Token: SeSecurityPrivilege	3552	wmic.exe
Token: SeTakeOwnershipPrivilege	3552	wmic.exe
Token: SeLoadDriverPrivilege	3552	wmic.exe
Token: SeSystemProfilePrivilege	3552	wmic.exe
Token: SeSystemtimePrivilege	3552	wmic.exe
Token: SeProfSingleProcessPrivilege	3552	wmic.exe
Token: SeIncBasePriorityPrivilege	3552	wmic.exe
Token: SeCreatePagefilePrivilege	3552	wmic.exe
Token: SeBackupPrivilege	3552	wmic.exe
Token: SeRestorePrivilege	3552	wmic.exe
Token: SeShutdownPrivilege	3552	wmic.exe
Token: SeDebugPrivilege	3552	wmic.exe
Token: SeSystemEnvironmentPrivilege	3552	wmic.exe
Token: SeRemoteShutdownPrivilege	3552	wmic.exe
Token: SeUndockPrivilege	3552	wmic.exe
Token: SeManageVolumePrivilege	3552	wmic.exe
Token: 33	3552	wmic.exe
Token: 34	3552	wmic.exe
Token: 35	3552	wmic.exe
Token: 36	3552	wmic.exe
Token: SeIncreaseQuotaPrivilege	3552	wmic.exe
Token: SeSecurityPrivilege	3552	wmic.exe
Token: SeTakeOwnershipPrivilege	3552	wmic.exe
Token: SeLoadDriverPrivilege	3552	wmic.exe
Token: SeSystemProfilePrivilege	3552	wmic.exe
Token: SeSystemtimePrivilege	3552	wmic.exe
Token: SeProfSingleProcessPrivilege	3552	wmic.exe
Token: SeIncBasePriorityPrivilege	3552	wmic.exe
Token: SeCreatePagefilePrivilege	3552	wmic.exe
Token: SeBackupPrivilege	3552	wmic.exe
Token: SeRestorePrivilege	3552	wmic.exe
Token: SeShutdownPrivilege	3552	wmic.exe
Token: SeDebugPrivilege	3552	wmic.exe
Token: SeSystemEnvironmentPrivilege	3552	wmic.exe
Token: SeRemoteShutdownPrivilege	3552	wmic.exe
Token: SeUndockPrivilege	3552	wmic.exe
Token: SeManageVolumePrivilege	3552	wmic.exe
Token: 33	3552	wmic.exe
Token: 34	3552	wmic.exe
Token: 35	3552	wmic.exe
Token: 36	3552	wmic.exe
Token: SeDebugPrivilege	240	asa.exe
Token: SeShutdownPrivilege	240	asa.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

asa.exe

description	pid	process	target process
PID 240 wrote to memory of 3552	240	asa.exe	wmic.exe
PID 240 wrote to memory of 3552	240	asa.exe	wmic.exe
PID 240 wrote to memory of 3552	240	asa.exe	wmic.exe

C:\Users\Admin\AppData\Local\Temp\asa.exe
"C:\Users\Admin\AppData\Local\Temp\asa.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240

C:\Windows\SysWOW64\Wbem\wmic.exe
"wmic.exe" csproduct get uuid
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3552

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\46f17dfb-dd93-4b8b-9636-058b2dc118e8\AgileDotNetRT.dll
Filesize
2.8MB

MD5
1e275530f75ec0222ad0a49117819936

SHA1
c469db9377442dc65d1c4c6cc5985b28cb1c26e2

SHA256
d8519a2a1f40baeb1ee2e6eb1aca27745e5dcab7c046d65b27246e24af57d2bb

SHA512
76af1a2193a3b4dc6adc31c9d160b368c6d1a6368af1e99065b53c01cd1c6a93533167a570e6ea68959eeb06b24664f182ad7eef5d7f1ecbfc4cd55e83a72061

Download Submit
memory/240-11-0x0000000074A50000-0x0000000075201000-memory.dmp

Filesize
7.7MB

Download
memory/240-2-0x0000000074A50000-0x0000000075201000-memory.dmp

Filesize
7.7MB

Download
memory/240-3-0x0000000006670000-0x0000000006C16000-memory.dmp

Filesize
5.6MB

Download
memory/240-1-0x0000000000EF0000-0x00000000015FA000-memory.dmp

Filesize
7.0MB

Download
memory/240-10-0x00000000722C0000-0x0000000072A45000-memory.dmp

Filesize
7.5MB

Download
memory/240-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/240-13-0x00000000722C0000-0x0000000072A45000-memory.dmp

Filesize
7.5MB

Download
memory/240-14-0x00000000722C0000-0x0000000072A45000-memory.dmp

Filesize
7.5MB

Download
memory/240-17-0x00000000734E0000-0x000000007356A000-memory.dmp

Filesize
552KB

Download
memory/240-18-0x0000000007310000-0x00000000073AC000-memory.dmp

Filesize
624KB

Download
memory/240-19-0x00000000073B0000-0x0000000007416000-memory.dmp

Filesize
408KB

Download
memory/240-20-0x00000000077C0000-0x0000000007852000-memory.dmp

Filesize
584KB

Download
memory/240-21-0x00000000722C0000-0x0000000072A45000-memory.dmp

Filesize
7.5MB

Download