23836bd1632860095a96b0ea89114ce74545ae0efcc75c56904cd42fc5a7c0ad

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 2 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

celex.execelex.exe

description ioc process

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

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	celex.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	celex.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

celex.execelex.exe

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

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/844-0-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/844-2-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/844-3-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/844-4-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/844-8-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/844-5-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/844-7-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/844-6-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/844-10-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-11-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-13-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-15-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-14-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-18-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-17-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-19-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-16-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida
behavioral1/memory/3956-20-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

celex.execelex.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

celex.execelex.exe

pid process

844 celex.exe
3956 celex.exe

pid	process
844	celex.exe
3956	celex.exe

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
PID:844

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2396

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
PID:3956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/844-0-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/844-1-0x00007FFBC9B87000-0x00007FFBC9B89000-memory.dmp

Filesize
8KB

Download
memory/844-2-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/844-3-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/844-4-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/844-8-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/844-5-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/844-7-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/844-6-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/844-10-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-11-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-12-0x00007FFBC9AE0000-0x00007FFBC9CE9000-memory.dmp

Filesize
2.0MB

Download
memory/3956-13-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-15-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-14-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-18-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-17-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-19-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-16-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download
memory/3956-21-0x00007FFBC9AE0000-0x00007FFBC9CE9000-memory.dmp

Filesize
2.0MB

Download
memory/3956-20-0x00007FF6AA740000-0x00007FF6AB39D000-memory.dmp

Filesize
12.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads