edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a

Analysis

max time kernel
162s
max time network
182s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
24-07-2022 22:15

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General

Target

edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe
Size

1.9MB
MD5

f1652e3ed08e855c196507b001b22c76
SHA1

83c5b113042a8f077ec7f84baa0a94511a72072d
SHA256

edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a
SHA512

923ffa8310be31762fe942ddb092b58203b2da1673050f71c2b6058ad63850b7fbbf187bea8d461fe103c599a6c29360c90b9a7619d09fab03679c7efd6bd903

Score

9^/10

evasion persistence 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:

edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.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:

edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2088-117-0x00007FF7591C0000-0x00007FF759771000-memory.dmp	themida
behavioral2/memory/2088-118-0x00007FF7591C0000-0x00007FF759771000-memory.dmp	themida
behavioral2/memory/2088-119-0x00007FF7591C0000-0x00007FF759771000-memory.dmp	themida
behavioral2/memory/2088-120-0x00007FF7591C0000-0x00007FF759771000-memory.dmp	themida
behavioral2/memory/2088-121-0x00007FF7591C0000-0x00007FF759771000-memory.dmp	themida
behavioral2/memory/2088-123-0x00007FF7591C0000-0x00007FF759771000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1278860188-1450369398-39028496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win32Com = "C:\\Users\\Public\\Docs\\edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe"	edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

pid process

2088 edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

pid process

2088 edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

pid	process
2088	edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

pid	process
2088	edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe

C:\Users\Admin\AppData\Local\Temp\edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe
"C:\Users\Admin\AppData\Local\Temp\edfc85ba889f72aa942fb12cd05664f15898db5c93d6f44f177e09a3990cd06a.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
PID:2088

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2088-117-0x00007FF7591C0000-0x00007FF759771000-memory.dmp

Filesize
5.7MB

Download
memory/2088-118-0x00007FF7591C0000-0x00007FF759771000-memory.dmp

Filesize
5.7MB

Download
memory/2088-119-0x00007FF7591C0000-0x00007FF759771000-memory.dmp

Filesize
5.7MB

Download
memory/2088-120-0x00007FF7591C0000-0x00007FF759771000-memory.dmp

Filesize
5.7MB

Download
memory/2088-121-0x00007FF7591C0000-0x00007FF759771000-memory.dmp

Filesize
5.7MB

Download
memory/2088-122-0x00007FFA9D6C0000-0x00007FFA9D89B000-memory.dmp

Filesize
1.9MB

Download
memory/2088-123-0x00007FF7591C0000-0x00007FF759771000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads