d1edde93481fe9657a75ca47c6f4f28be372afb4374402d4c95eb06ce380a263

Analysis

max time kernel
142s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-03-2024 23:40

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General

Target

iexplore.exe
Size

10.7MB
MD5

8b5d0068d81159a93d0039020058bb36
SHA1

077e4acf9df950bf3c03867ab6756dbc2850641e
SHA256

d1edde93481fe9657a75ca47c6f4f28be372afb4374402d4c95eb06ce380a263
SHA512

18334137f1c2dba149ef479660e80c0bd1299db30867076d4fe1f0596d1d1182f1dc57884905c3fcc362f26a4a68baec3767761bf6d9cffce798941dc3e8521d
SSDEEP

196608:IPdgdrOIM+R7fZOa0x2CV4zSYPZmXebyzlvLrCreOSZ3OqVtHsrQ:IitOUR7fZOa0NsSYPqlCqOSJOgHsr

Score

9^/10

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

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

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2676-1-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-2-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-3-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-4-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-5-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-6-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-7-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-8-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-9-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-10-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida
behavioral1/memory/2676-11-0x000000013FEF0000-0x000000014157E000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2676	iexplore.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	iexplore.exe
Token: SeDebugPrivilege	2676	iexplore.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 3008	2676	iexplore.exe	29
PID 2676 wrote to memory of 3008	2676	iexplore.exe	29
PID 2676 wrote to memory of 3008	2676	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\iexplore.exe
"C:\Users\Admin\AppData\Local\Temp\iexplore.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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2676 -s 368
  2⤵
  PID:3008

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2676-0-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download
memory/2676-1-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-2-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-3-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-4-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-5-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-6-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-7-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-8-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-9-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-10-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-11-0x000000013FEF0000-0x000000014157E000-memory.dmp

Filesize
22.6MB

Download
memory/2676-13-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads