3ddc41eaf0ca6504fb7971f90fb8fc3a3b90f3ba4cf4c8cff047b650cf1da9ba

Analysis

max time kernel
122s
max time network
141s
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, 10:04

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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
3652	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3652	powershell.exe
3652	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3652	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3652 wrote to memory of 2508	3652	powershell.exe	89
PID 3652 wrote to memory of 2508	3652	powershell.exe	89
PID 2508 wrote to memory of 3068	2508	csc.exe	90
PID 2508 wrote to memory of 3068	2508	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:3652
- 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\2v5dpart\2v5dpart.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2508
- - 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\RESA642.tmp" "c:\Users\Admin\AppData\Local\Temp\2v5dpart\CSCB5C897D2FA6941D680F1638EC2F2AAFB.TMP"
    3⤵
    PID:3068

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\2v5dpart\2v5dpart.dll

Filesize
3KB

MD5
ec4cc9cce8dc7b9054478c2703ab8a1b

SHA1
9be411abb606e0db7c340f0b7e58b9be17bcb4fd

SHA256
7c9c08cf9d1de889888de9644347d5bc6fee0b7ce6a7b02c546f9ba9dd317aeb

SHA512
00236aabf43730a7a057c468358242141f36474499f1bd0525c648fd61466ee7d4e77c472341b6a3b00aae89bf82fc02d33b692df82f03898d8294c84043c55e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESA642.tmp

Filesize
1KB

MD5
2aae7d71cad3e792033dbafeea0b4e45

SHA1
f449eb635fafd7d1d9ee3c648c9796397098020b

SHA256
9e19aafc09555cca714736447d1f2bf7632d853081d2e112f9e1ef6526247fd7

SHA512
880f5318988f4de13493f4fce446aefbeaa93014f20ee16f5a50a3e2d4a35ab51cefa08e3cc140e195c01015fe1da96e38650606fb0d92bcede6cf527d768a12

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kbpkexxy.blp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\2v5dpart\2v5dpart.0.cs

Filesize
983B

MD5
1cb20d1a848fe50dd7df06e1d97b9b0c

SHA1
451fecfdba392d30a91f216ec2c4982bc747fbe2

SHA256
99504512eefc236fc84cfac8a4a0354762758c7557729fe8504177bafa8204c9

SHA512
6ec9319e9bc32716b774e6e0aaf6a58404acd12eaf2e3e8225e24bfcf5a496cee8c7e0aa4b113093007d81fb9cd4ff0dea2c8c83d30f478a102d2e6a503e36a2

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\2v5dpart\2v5dpart.cmdline

Filesize
369B

MD5
1f3baf52f9eb8c62f02cc854dc766a1c

SHA1
b13914415050489b5b52a11d4e72772880100a9a

SHA256
205ed9c0b96601ab5e0d33f3b5fa436d9c9d315b5213ec0d921fbdb21d9b6d37

SHA512
b658d46154a0d95f0b9c4dfccd03e5a781bc0341306e9b92715cab74acc2b104f70395f5519030de5384086724b205648015258637d992affdaace37374d83f5

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\2v5dpart\CSCB5C897D2FA6941D680F1638EC2F2AAFB.TMP

Filesize
652B

MD5
56b5839d813624a3b8dba730718abb84

SHA1
f80509b64183cfe2980665af0d45314380b9f5c5

SHA256
1af21cb62bdd53d0942edfa0de0765b3bdc745dc8bc834f52a1b59088b052688

SHA512
f7e541a4bb63d53b9da6239d2834d45b0ad275e0ebec3d6a449668b2890ba0c65394f699ef152396707ad33c812e20a721f29e9d2e84e719d77846e5a8d0be99

Download Submit
memory/3652-11-0x00007FF95D630000-0x00007FF95E0F1000-memory.dmp

Filesize
10.8MB

Download
memory/3652-12-0x00007FF95D630000-0x00007FF95E0F1000-memory.dmp

Filesize
10.8MB

Download
memory/3652-0-0x00007FF95D633000-0x00007FF95D635000-memory.dmp

Filesize
8KB

Download
memory/3652-25-0x0000024109030000-0x0000024109038000-memory.dmp

Filesize
32KB

Download
memory/3652-10-0x0000024109000000-0x0000024109022000-memory.dmp

Filesize
136KB

Download
memory/3652-27-0x00007FF95D630000-0x00007FF95E0F1000-memory.dmp

Filesize
10.8MB

Download
memory/3652-30-0x00007FF95D630000-0x00007FF95E0F1000-memory.dmp

Filesize
10.8MB

Download