asyncrat | f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e

Analysis

max time kernel
17s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/03/2025, 19:53

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General

Target

f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Size

3.4MB
MD5

3761617c93f8dbe25b4dd01064d12a59
SHA1

0ae8278cc4a94c95db2a17f9dcf31a358e2601b2
SHA256

f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e
SHA512

163896e7841f3f4a3db0b432b7af270b2a8642ddd2857d8e44509a55a4fd2f5b7522d2f7084c92c209da375096476f86a1b770e129c528421658725f6bfaa3b6
SSDEEP

98304:x7Cz7SPhCNQl2ZolSQYwLjyy4fub0/rmPXqGR4YyN:xwMCNQeol+w/yy4fug/edny

Score

10^/10

asyncrat test5 defense_evasion discovery rat themida trojan

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

test5

92.213.96.141:3389

Mutex

vmtestingdrei

Attributes

delay
11
install
true
install_file
COM Surrogate.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

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__	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.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	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1936-27-0x0000000000400000-0x0000000000D2A000-memory.dmp	themida
behavioral1/memory/1936-28-0x0000000000400000-0x0000000000D2A000-memory.dmp	themida
behavioral1/memory/1936-38-0x0000000000400000-0x0000000000D2A000-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	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeIncreaseQuotaPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeSecurityPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeTakeOwnershipPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeLoadDriverPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeSystemProfilePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeSystemtimePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeProfSingleProcessPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeIncBasePriorityPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeCreatePagefilePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeBackupPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeRestorePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeShutdownPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeDebugPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeSystemEnvironmentPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeRemoteShutdownPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeUndockPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeManageVolumePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: 33	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: 34	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: 35	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeIncreaseQuotaPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeSecurityPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeTakeOwnershipPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeLoadDriverPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeSystemProfilePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeSystemtimePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeProfSingleProcessPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeIncBasePriorityPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeCreatePagefilePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeBackupPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeRestorePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeShutdownPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeDebugPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeSystemEnvironmentPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeRemoteShutdownPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeUndockPrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: SeManageVolumePrivilege	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: 33	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: 34	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
Token: 35	1936	f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe

C:\Users\Admin\AppData\Local\Temp\f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.exe
"C:\Users\Admin\AppData\Local\Temp\f5f107be259fa9f45092665ed2c4e11183d3a64c484b0d0ea4675c85f6eae87e.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1936-1-0x0000000075714000-0x0000000075715000-memory.dmp

Filesize
4KB

Download
memory/1936-0-0x0000000000400000-0x0000000000D2A000-memory.dmp

Filesize
9.2MB

Download
memory/1936-2-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-4-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-5-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-6-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-3-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-13-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-14-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-23-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-22-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-24-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-21-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-20-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-19-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-18-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-17-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-16-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-15-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-12-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-11-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-10-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-9-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-26-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-8-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-7-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-27-0x0000000000400000-0x0000000000D2A000-memory.dmp

Filesize
9.2MB

Download
memory/1936-28-0x0000000000400000-0x0000000000D2A000-memory.dmp

Filesize
9.2MB

Download
memory/1936-30-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-31-0x0000000000400000-0x0000000000D2A000-memory.dmp

Filesize
9.2MB

Download
memory/1936-32-0x0000000075714000-0x0000000075715000-memory.dmp

Filesize
4KB

Download
memory/1936-33-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-35-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-37-0x0000000075700000-0x0000000075810000-memory.dmp

Filesize
1.1MB

Download
memory/1936-38-0x0000000000400000-0x0000000000D2A000-memory.dmp

Filesize
9.2MB

Download