3ddc41eaf0ca6504fb7971f90fb8fc3a3b90f3ba4cf4c8cff047b650cf1da9ba

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2025, 10:11

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General

Target

2020.10.29_CISA-MAR-10310246_Powershell_Backdoor/a3170c32c09fc85cdda778a5c20a3dab144b6d1dd9996ba8340866e0081c7642.ps1
Size

1.2MB
MD5

0fd79f4c60593f6aae69ff22086c3bb0
SHA1

07f0692c856703d75a9946a0fbb3c0db03f7ac40
SHA256

a3170c32c09fc85cdda778a5c20a3dab144b6d1dd9996ba8340866e0081c7642
SHA512

28a0ae0a779aa88499f70cf97ef9db9482527017ea76ee2e469e4184684c4d4fb0559e50f1721e7e9d02655bee4cdf7b12c62a3d037ea10130121cfbb772e250
SSDEEP

24576:jarQlVyeHtWdf7PyJjwLKWp57+7fb0TLaB7VrE:jD567vs1tm

Score

3^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3132	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3132	powershell.exe
3132	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3132	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 2928	3132	powershell.exe	89
PID 3132 wrote to memory of 2928	3132	powershell.exe	89
PID 2928 wrote to memory of 3828	2928	csc.exe	90
PID 2928 wrote to memory of 3828	2928	csc.exe	90

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\2020.10.29_CISA-MAR-10310246_Powershell_Backdoor\a3170c32c09fc85cdda778a5c20a3dab144b6d1dd9996ba8340866e0081c7642.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3132
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ozffoarp\ozffoarp.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES267E.tmp" "c:\Users\Admin\AppData\Local\Temp\ozffoarp\CSC8275D005B8F840669820635E4C7215EA.TMP"
    3⤵
    PID:3828

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES267E.tmp

Filesize
1KB

MD5
b48b94889afc25a9370c596392962cbd

SHA1
d3181fe3aa3405049306dc66fdfb9e50f5a3b345

SHA256
be20b120ef0e71a62df311b426c25de0edbcd7ce198ce5ad1b760e114fd1bfed

SHA512
030a993bd9c6bc7832f769b7893fe5643dc0b72b2888de1ef70460eec2307a4baf3ead7011f0f4afd944646f69adfe97860f8d6be5c91c83966eef15ca2b55da

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d4gv4tgf.rp0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\ozffoarp\ozffoarp.dll

Filesize
3KB

MD5
5e1b372e353baf3dd3ff324702fcc6fd

SHA1
b1185c3cb6981b74af4446c9483af1f7a2f44878

SHA256
f8b6f76e443757cd2b68f174da040ce70d923ec490b48bdc150eb32601fe11cc

SHA512
2deb07a52a963baad27ad10c464d0db63118db0e23ca3dabfb25ef049182286e1cba1a7ce5fe4e8ab4a2d540e03dbb2f63ecb22a77194e33677bdc8cd2c48e52

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ozffoarp\CSC8275D005B8F840669820635E4C7215EA.TMP

Filesize
652B

MD5
ca7315ad63582d0ef541de8b99f30459

SHA1
81b5fd4b1b1675fae348755db2b80f7a9206cbaf

SHA256
3f01ba5fb4cdf603225f6fc404856f35a83ac0bb1b1f52021491f14a920e5428

SHA512
d8ed85c8781717c99d83e0b62c15f72c376bd24f7dcf9992ae62736ee9411f754652ac58a92ebff11b79c1d9576ed250cebbfae1c2357e0ef90ea67ac81cf1dc

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ozffoarp\ozffoarp.0.cs

Filesize
983B

MD5
1cb20d1a848fe50dd7df06e1d97b9b0c

SHA1
451fecfdba392d30a91f216ec2c4982bc747fbe2

SHA256
99504512eefc236fc84cfac8a4a0354762758c7557729fe8504177bafa8204c9

SHA512
6ec9319e9bc32716b774e6e0aaf6a58404acd12eaf2e3e8225e24bfcf5a496cee8c7e0aa4b113093007d81fb9cd4ff0dea2c8c83d30f478a102d2e6a503e36a2

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ozffoarp\ozffoarp.cmdline

Filesize
369B

MD5
b0df85fb9f8e042c70cc38ee7d3f31ac

SHA1
d71b129bfe8101d5dcdfb552e2ab63a7c7ef0997

SHA256
486aea621379f57697a73e5f3a876253e34e870d10f23d3a926efc5d041b9873

SHA512
9f68e1327855d1913bbb3236dd24b16b190bbe9e4e988a2adf457945b50a929b5407f3decae42eb6f4c11c7570a82436870cd11edf1dd70b3eb7f71d2123ab5c

Download Submit
memory/3132-0-0x00007FFFDB3F3000-0x00007FFFDB3F5000-memory.dmp

Filesize
8KB

Download
memory/3132-12-0x00007FFFDB3F0000-0x00007FFFDBEB1000-memory.dmp

Filesize
10.8MB

Download
memory/3132-11-0x00007FFFDB3F0000-0x00007FFFDBEB1000-memory.dmp

Filesize
10.8MB

Download
memory/3132-3-0x0000021F4A140000-0x0000021F4A162000-memory.dmp

Filesize
136KB

Download
memory/3132-25-0x0000021F4A170000-0x0000021F4A178000-memory.dmp

Filesize
32KB

Download
memory/3132-27-0x00007FFFDB3F0000-0x00007FFFDBEB1000-memory.dmp

Filesize
10.8MB

Download
memory/3132-30-0x00007FFFDB3F0000-0x00007FFFDBEB1000-memory.dmp

Filesize
10.8MB

Download