cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23

Analysis

max time kernel
163s
max time network
46s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
24-07-2022 10:15

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General

Target

cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe
Size

1.9MB
MD5

18f73fa21237158988b72e1652b746c9
SHA1

94f66d4b66eec3f384c300f8e3890cb52505f07f
SHA256

cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23
SHA512

b0e7ac2ef98fdc36100543f3678238111cf351bf130f75de02c9ff3909c9c26d94ad75380cfacfc1bce32e26b792fab9cafea0f9edaae95be47efa7620454561

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:

cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.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:

cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1488-54-0x000000013F890000-0x000000013FE83000-memory.dmp	themida
behavioral1/memory/1488-55-0x000000013F890000-0x000000013FE83000-memory.dmp	themida
behavioral1/memory/1488-57-0x000000013F890000-0x000000013FE83000-memory.dmp	themida
behavioral1/memory/1488-56-0x000000013F890000-0x000000013FE83000-memory.dmp	themida
behavioral1/memory/1488-58-0x000000013F890000-0x000000013FE83000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win32Com = "C:\\Users\\Public\\Docs\\cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe"	cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

pid process

1488 cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

pid process

1488 cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

pid	process
1488	cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

pid	process
1488	cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe

C:\Users\Admin\AppData\Local\Temp\cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.exe
"C:\Users\Admin\AppData\Local\Temp\cac7126c0c86261c4633d646c73f3ea103a8101f15e7b8c0f3d8a02f5c822e23.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:1488

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/1488-54-0x000000013F890000-0x000000013FE83000-memory.dmp

Filesize
5.9MB

Download
memory/1488-55-0x000000013F890000-0x000000013FE83000-memory.dmp

Filesize
5.9MB

Download
memory/1488-57-0x000000013F890000-0x000000013FE83000-memory.dmp

Filesize
5.9MB

Download
memory/1488-56-0x000000013F890000-0x000000013FE83000-memory.dmp

Filesize
5.9MB

Download
memory/1488-58-0x000000013F890000-0x000000013FE83000-memory.dmp

Filesize
5.9MB

Download
memory/1488-59-0x00000000777F0000-0x0000000077999000-memory.dmp

Filesize
1.7MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads