b6fbd300520e46f761b778cfc7595b43db385c79a1d7e4c4ce40e782f78a1c01

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
16-11-2023 07:41

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General

Target

2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe
Size

3.8MB
MD5

f8b1ed547729841918abbea9d2dedb55
SHA1

d35a443f87abae38de4980e2a83762a6619ec183
SHA256

8ccf7db0910464d7424b2d2d7366838d6dfc71f9de474d96b05275b1ae97d290
SHA512

27a579794d59a6cbd8391e1f785f0e93b6f87f8fad6937cac908a87422eff9f33a40b069eb74d4556565425bad1d1b0e83f0cc220cf34f0b99a5faece5daff38
SSDEEP

98304:GgqM4j53BslobUytMfeUUzeeQY+fSOs0B4/:GQo3BXbUSXzdQP0B

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

Processes:

2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.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:

2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1168-0-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-1-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-2-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-3-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-4-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-5-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-6-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-7-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-8-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-9-0x000000013F720000-0x000000014008B000-memory.dmp	themida
behavioral1/memory/1168-10-0x000000013F720000-0x000000014008B000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe

pid	process
1168	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe
1168	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe
1168	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe
1168	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe

description	pid	process	target process
PID 1168 wrote to memory of 1332	1168	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe	WerFault.exe
PID 1168 wrote to memory of 1332	1168	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe	WerFault.exe
PID 1168 wrote to memory of 1332	1168	2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe
"C:\Users\Admin\AppData\Local\Temp\2023年11月新发布-财会人员薪资补贴调整新政策所需材料.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1168

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1168 -s 120
2⤵
PID:1332

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/1168-0-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-1-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-2-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-3-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-4-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-5-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-6-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-7-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-8-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-9-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download
memory/1168-10-0x000000013F720000-0x000000014008B000-memory.dmp

Filesize
9.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads