28e5ae202e258b19680786bfa282d772f5edd8c12c0a3f215d5773c7835f00f2

Analysis

max time kernel
154s
max time network
130s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
21/07/2023, 22:39

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General

Target

release-v2.exe
Size

6.1MB
MD5

f7acd0852bb12402618146b0d16f354e
SHA1

211e1174154435cf731ffd70c69cc9050f924174
SHA256

02131c1bff27d6b1d89013f963095a425a32f8506e69799e7087554461bbbd9d
SHA512

6dee8dcc59d0ac59728c7750cba5c570797e91cd39755c4b910c95ee0dfb3b0e1c69d954970a3638ded9ec411927226c2468adc39471671ea7f96ebe402298cc
SSDEEP

196608:pNsMnreFZyDr0jUSCYKdY0ZVeQ+KMm6XOeRJpyrMS0kRkZ0YezmEse7IBWc7pH9K:pyc7/Zd31VC7WcVHdPa4c15D

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

description	pid	Process	procid_target
PID 2264 created 1252	2264	release-v2.exe	10
PID 2264 created 1252	2264	release-v2.exe	10
PID 2264 created 1252	2264	release-v2.exe	10
PID 2264 created 1252	2264	release-v2.exe	10

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\etc\hosts	release-v2.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 2752	2264	release-v2.exe	36

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2332	schtasks.exe

Enumerates system info in registry 2 TTPs 32 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\Identifier	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1\Component Information	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\Configuration Data	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\Component Information	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2\Identifier	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	csrss.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0	csrss.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\Component Information	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2\Configuration Data	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral\0\Configuration Data	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1\Identifier	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\Configuration Data	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral\0\Component Information	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\Identifier	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1\Configuration Data	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\1\KeyboardController	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral\0	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2\Component Information	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\0\KeyboardController	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\0\KeyboardController\0	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral\0\Identifier	csrss.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\ThemeManager\SizeName = "NormalSize"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\ThemeManager\LoadedBefore = "1"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\ThemeManager\LastLoadedDPI = "96"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\ThemeManager\ThemeActive = "1"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\ThemeManager\LastUserLangID = "1033"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\ThemeManager\DllName = "%SystemRoot%\\resources\\themes\\Aero\\Aero.msstyles"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\ThemeManager\ColorName = "NormalColor"	winlogon.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Control Panel\Desktop\MuiCached\MachinePreferredUILanguages = 65006e002d00550053000000	winlogon.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager	winlogon.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2264	release-v2.exe
2264	release-v2.exe
2564	powershell.exe
2264	release-v2.exe
2264	release-v2.exe
2264	release-v2.exe
2264	release-v2.exe
2264	release-v2.exe
2264	release-v2.exe
2752	dialer.exe
2752	dialer.exe
2752	dialer.exe
2752	dialer.exe
2768	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	powershell.exe
Token: SeDebugPrivilege	2752	dialer.exe
Token: SeShutdownPrivilege	2740	powercfg.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeShutdownPrivilege	1344	LogonUI.exe
Token: SeShutdownPrivilege	1344	LogonUI.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2752	2264	release-v2.exe	36
PID 2976 wrote to memory of 2740	2976	cmd.exe	37
PID 2976 wrote to memory of 2740	2976	cmd.exe	37
PID 2976 wrote to memory of 2740	2976	cmd.exe	37
PID 2752 wrote to memory of 424	2752	dialer.exe	22
PID 2752 wrote to memory of 468	2752	dialer.exe	2
PID 2752 wrote to memory of 484	2752	dialer.exe	1
PID 2752 wrote to memory of 492	2752	dialer.exe	21
PID 2976 wrote to memory of 1500	2976	cmd.exe	39
PID 2976 wrote to memory of 1500	2976	cmd.exe	39
PID 2976 wrote to memory of 1500	2976	cmd.exe	39
PID 2768 wrote to memory of 2332	2768	powershell.exe	40
PID 2768 wrote to memory of 2332	2768	powershell.exe	40
PID 2768 wrote to memory of 2332	2768	powershell.exe	40
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2796 wrote to memory of 1344	2796	winlogon.exe	44
PID 2796 wrote to memory of 1344	2796	winlogon.exe	44
PID 2796 wrote to memory of 1344	2796	winlogon.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44
PID 2040 wrote to memory of 1344	2040	csrss.exe	44

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:484

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:468

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\release-v2.exe
  "C:\Users\Admin\AppData\Local\Temp\release-v2.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops file in Drivers directory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2264
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2564
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2976
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2740
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-dc 0
    3⤵
    PID:1500
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#eszkltr#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Program Files\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -User 'System' -RunLevel 'Highest' -Force; }
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'C:\Program Files\Google\Chrome\updater.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:2332
- C:\Windows\System32\dialer.exe
  C:\Windows\System32\dialer.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2752

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:492

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:424

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:572

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\system32\LogonUI.exe
  "LogonUI.exe" /flags:0x0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1HH8E2YOGAM1AKLL57SR.temp

Filesize
7KB

MD5
a21e8324e445b828c69c29c60d890376

SHA1
f5515ace26ed818ccaf2d1ed14cef9dc7afde2ba

SHA256
4393832f449297850d8c243f23912605ceaeab1250e608ceccea4239c4c2b422

SHA512
1f7a825d8086f647ba99fa351a9d34150da6724305672f17d7a561efdc77c823f25a70aee4067e73c1cfb68652d57e05395c001d1c19703cadb43dfbd809920e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
a21e8324e445b828c69c29c60d890376

SHA1
f5515ace26ed818ccaf2d1ed14cef9dc7afde2ba

SHA256
4393832f449297850d8c243f23912605ceaeab1250e608ceccea4239c4c2b422

SHA512
1f7a825d8086f647ba99fa351a9d34150da6724305672f17d7a561efdc77c823f25a70aee4067e73c1cfb68652d57e05395c001d1c19703cadb43dfbd809920e

Download Submit
memory/424-72-0x0000000000720000-0x0000000000741000-memory.dmp

Filesize
132KB

Download
memory/424-77-0x0000000000750000-0x0000000000777000-memory.dmp

Filesize
156KB

Download
memory/424-76-0x0000000000750000-0x0000000000777000-memory.dmp

Filesize
156KB

Download
memory/424-74-0x0000000000720000-0x0000000000741000-memory.dmp

Filesize
132KB

Download
memory/468-91-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/468-96-0x0000000037B00000-0x0000000037B10000-memory.dmp

Filesize
64KB

Download
memory/468-115-0x0000000077B11000-0x0000000077B12000-memory.dmp

Filesize
4KB

Download
memory/468-114-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/468-93-0x000007FEBDCD0000-0x000007FEBDCE0000-memory.dmp

Filesize
64KB

Download
memory/484-105-0x0000000037B00000-0x0000000037B10000-memory.dmp

Filesize
64KB

Download
memory/484-102-0x000007FEBDCD0000-0x000007FEBDCE0000-memory.dmp

Filesize
64KB

Download
memory/484-98-0x0000000000250000-0x0000000000277000-memory.dmp

Filesize
156KB

Download
memory/484-116-0x0000000000250000-0x0000000000277000-memory.dmp

Filesize
156KB

Download
memory/492-120-0x0000000000330000-0x0000000000357000-memory.dmp

Filesize
156KB

Download
memory/492-112-0x0000000037B00000-0x0000000037B10000-memory.dmp

Filesize
64KB

Download
memory/492-110-0x000007FEBDCD0000-0x000007FEBDCE0000-memory.dmp

Filesize
64KB

Download
memory/492-106-0x0000000000330000-0x0000000000357000-memory.dmp

Filesize
156KB

Download
memory/1344-122-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/1344-121-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/2264-80-0x000000013F650000-0x000000013FC67000-memory.dmp

Filesize
6.1MB

Download
memory/2264-54-0x000000013F650000-0x000000013FC67000-memory.dmp

Filesize
6.1MB

Download
memory/2564-60-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2564-64-0x00000000022F0000-0x0000000002370000-memory.dmp

Filesize
512KB

Download
memory/2564-65-0x00000000022F0000-0x0000000002370000-memory.dmp

Filesize
512KB

Download
memory/2564-63-0x00000000022D0000-0x00000000022D8000-memory.dmp

Filesize
32KB

Download
memory/2564-59-0x000000001B2F0000-0x000000001B5D2000-memory.dmp

Filesize
2.9MB

Download
memory/2564-61-0x00000000022F0000-0x0000000002370000-memory.dmp

Filesize
512KB

Download
memory/2564-62-0x00000000022F0000-0x0000000002370000-memory.dmp

Filesize
512KB

Download
memory/2564-66-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2752-71-0x00000000778A0000-0x00000000779BF000-memory.dmp

Filesize
1.1MB

Download
memory/2752-69-0x0000000077AC0000-0x0000000077C69000-memory.dmp

Filesize
1.7MB

Download
memory/2752-108-0x0000000077AC0000-0x0000000077C69000-memory.dmp

Filesize
1.7MB

Download
memory/2752-104-0x0000000140000000-0x0000000140029000-memory.dmp

Filesize
164KB

Download
memory/2768-94-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

Filesize
9.6MB

Download
memory/2768-111-0x0000000001EF0000-0x0000000001F70000-memory.dmp

Filesize
512KB

Download
memory/2768-117-0x0000000001EF4000-0x0000000001EF7000-memory.dmp

Filesize
12KB

Download
memory/2768-90-0x0000000001EF0000-0x0000000001F70000-memory.dmp

Filesize
512KB

Download
memory/2768-118-0x0000000001EF0000-0x0000000001F70000-memory.dmp

Filesize
512KB

Download
memory/2768-88-0x0000000001F80000-0x0000000001F88000-memory.dmp

Filesize
32KB

Download
memory/2768-119-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

Filesize
9.6MB

Download
memory/2768-87-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

Filesize
9.6MB

Download
memory/2768-85-0x000000001B160000-0x000000001B442000-memory.dmp

Filesize
2.9MB

Download