23836bd1632860095a96b0ea89114ce74545ae0efcc75c56904cd42fc5a7c0ad

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 14:58

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General

Target

Celex.exe
Size

5.0MB
MD5

e7ab71e0cedaf6425702fbb0ca384120
SHA1

c48fc88a2d450e7555326e4af55047971fa139a6
SHA256

23836bd1632860095a96b0ea89114ce74545ae0efcc75c56904cd42fc5a7c0ad
SHA512

6bc7255006680803cb669034729d27b9e9073688f70d325d43493f37c3b8c1ab6bb7fdcd99324d28d66161308483d0a592de4bb69a5d2c0da5b4db296450713c
SSDEEP

98304:UomKE8ZhL/axphPzgkVbzW4FAu4vnhnrSSfvNAEp04U7/ywK53:gKE8LL4p8u4vh+ENq4U7Vm

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

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1700-0-0x000000013F470000-0x00000001400CD000-memory.dmp	themida
behavioral1/memory/1700-2-0x000000013F470000-0x00000001400CD000-memory.dmp	themida
behavioral1/memory/1700-3-0x000000013F470000-0x00000001400CD000-memory.dmp	themida
behavioral1/memory/1700-4-0x000000013F470000-0x00000001400CD000-memory.dmp	themida
behavioral1/memory/1700-5-0x000000013F470000-0x00000001400CD000-memory.dmp	themida
behavioral1/memory/1700-7-0x000000013F470000-0x00000001400CD000-memory.dmp	themida
behavioral1/memory/1700-6-0x000000013F470000-0x00000001400CD000-memory.dmp	themida
behavioral1/memory/1700-8-0x000000013F470000-0x00000001400CD000-memory.dmp	themida
behavioral1/memory/1700-9-0x000000013F470000-0x00000001400CD000-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	Celex.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1700	Celex.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2380	1700	Celex.exe	30
PID 1700 wrote to memory of 2380	1700	Celex.exe	30
PID 1700 wrote to memory of 2380	1700	Celex.exe	30

C:\Users\Admin\AppData\Local\Temp\Celex.exe
"C:\Users\Admin\AppData\Local\Temp\Celex.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 WriteProcessMemory
PID:1700
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1700 -s 252
  2⤵
  PID:2380

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

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Downloads

memory/1700-0-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download
memory/1700-1-0x00000000770C0000-0x00000000770C2000-memory.dmp

Filesize
8KB

Download
memory/1700-2-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download
memory/1700-3-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download
memory/1700-4-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download
memory/1700-5-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download
memory/1700-7-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download
memory/1700-6-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download
memory/1700-8-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download
memory/1700-9-0x000000013F470000-0x00000001400CD000-memory.dmp

Filesize
12.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads