c89c74a42dc7e8ba62490a3f73f031caec9ec3579bc69d169abc2bfd2e3719d2

Analysis

max time kernel
70s
max time network
61s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 00:59

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General

Target

tmp.exe
Size

5.4MB
MD5

ac5a067a49c0347a26cb08dbf77f45b2
SHA1

961323bf26e320183019c6a759373017fa1d1ec2
SHA256

c89c74a42dc7e8ba62490a3f73f031caec9ec3579bc69d169abc2bfd2e3719d2
SHA512

fecabc22397856af602384d99f017ecb2b3624d96ae6fcc95f34b860fcb8b4c94c6e957b120762499ea72de7ca9b0e628252196093ec12f57b176641b8c00d94
SSDEEP

98304:cAWVhcggbXvZnyKbxK0UiIeYjRJFpFx9e+11:cHyLKN/eeRJpHv1

Score

10^/10

evasion

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs

description	pid	Process	procid_target
PID 4624 created 3148	4624	tmp.exe	49
PID 4624 created 3148	4624	tmp.exe	49
PID 4624 created 3148	4624	tmp.exe	49
PID 4624 created 3148	4624	tmp.exe	49
PID 4624 created 3148	4624	tmp.exe	49
PID 4624 created 3148	4624	tmp.exe	49

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

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4624 set thread context of 2540	4624	tmp.exe	111

Launches sc.exe 5 IoCs

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

pid	Process
1964	sc.exe
2112	sc.exe
2400	sc.exe
1828	sc.exe
3788	sc.exe

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
4128	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4624	tmp.exe
4624	tmp.exe
2204	powershell.exe
2204	powershell.exe
4624	tmp.exe
4624	tmp.exe
4624	tmp.exe
4624	tmp.exe
4624	tmp.exe
4624	tmp.exe
4624	tmp.exe
4624	tmp.exe
2540	dialer.exe
2540	dialer.exe
2540	dialer.exe
2540	dialer.exe
4624	tmp.exe
4624	tmp.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	powershell.exe
Token: SeShutdownPrivilege	3520	powercfg.exe
Token: SeCreatePagefilePrivilege	3520	powercfg.exe
Token: SeShutdownPrivilege	2604	powercfg.exe
Token: SeCreatePagefilePrivilege	2604	powercfg.exe
Token: SeShutdownPrivilege	4300	powercfg.exe
Token: SeCreatePagefilePrivilege	4300	powercfg.exe
Token: SeShutdownPrivilege	4772	powercfg.exe
Token: SeCreatePagefilePrivilege	4772	powercfg.exe
Token: SeDebugPrivilege	2540	dialer.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 3788	3696	cmd.exe	100
PID 3696 wrote to memory of 3788	3696	cmd.exe	100
PID 3696 wrote to memory of 1964	3696	cmd.exe	101
PID 3696 wrote to memory of 1964	3696	cmd.exe	101
PID 3696 wrote to memory of 2112	3696	cmd.exe	102
PID 3696 wrote to memory of 2112	3696	cmd.exe	102
PID 3696 wrote to memory of 2400	3696	cmd.exe	103
PID 3696 wrote to memory of 2400	3696	cmd.exe	103
PID 3696 wrote to memory of 1828	3696	cmd.exe	104
PID 3696 wrote to memory of 1828	3696	cmd.exe	104
PID 4280 wrote to memory of 3520	4280	cmd.exe	107
PID 4280 wrote to memory of 3520	4280	cmd.exe	107
PID 4280 wrote to memory of 2604	4280	cmd.exe	108
PID 4280 wrote to memory of 2604	4280	cmd.exe	108
PID 4280 wrote to memory of 4300	4280	cmd.exe	109
PID 4280 wrote to memory of 4300	4280	cmd.exe	109
PID 4280 wrote to memory of 4772	4280	cmd.exe	110
PID 4280 wrote to memory of 4772	4280	cmd.exe	110
PID 4624 wrote to memory of 2540	4624	tmp.exe	111
PID 2540 wrote to memory of 620	2540	dialer.exe	14
PID 2540 wrote to memory of 688	2540	dialer.exe	4
PID 2540 wrote to memory of 952	2540	dialer.exe	7
PID 2540 wrote to memory of 316	2540	dialer.exe	6
PID 2540 wrote to memory of 520	2540	dialer.exe	10
PID 688 wrote to memory of 2432	688	lsass.exe	55
PID 688 wrote to memory of 2432	688	lsass.exe	55
PID 2540 wrote to memory of 1000	2540	dialer.exe	81
PID 2540 wrote to memory of 1088	2540	dialer.exe	80
PID 688 wrote to memory of 2432	688	lsass.exe	55
PID 688 wrote to memory of 2432	688	lsass.exe	55
PID 2540 wrote to memory of 1096	2540	dialer.exe	15
PID 2540 wrote to memory of 1120	2540	dialer.exe	79
PID 2540 wrote to memory of 1140	2540	dialer.exe	78
PID 2540 wrote to memory of 1236	2540	dialer.exe	77
PID 2540 wrote to memory of 1288	2540	dialer.exe	76
PID 2540 wrote to memory of 1344	2540	dialer.exe	75
PID 2540 wrote to memory of 1444	2540	dialer.exe	74
PID 2540 wrote to memory of 1452	2540	dialer.exe	73
PID 2540 wrote to memory of 1516	2540	dialer.exe	72

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⤵
- Suspicious use of WriteProcessMemory
PID:688

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:316

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:952

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:520
- C:\Windows\system32\winlogon.exe
  winlogon.exe
  2⤵
  PID:620

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3148
- 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
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4624
- 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:2204
- 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:3696
- - C:\Windows\System32\sc.exe
    sc stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:3788
- - C:\Windows\System32\sc.exe
    sc stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:1964
- - C:\Windows\System32\sc.exe
    sc stop wuauserv
    3⤵
    - Launches sc.exe
    PID:2112
- - C:\Windows\System32\sc.exe
    sc stop bits
    3⤵
    - Launches sc.exe
    PID:2400
- - C:\Windows\System32\sc.exe
    sc stop dosvc
    3⤵
    - Launches sc.exe
    PID:1828
- 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:4280
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3520
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2604
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4300
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4772
- C:\Windows\System32\dialer.exe
  C:\Windows\System32\dialer.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2540
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /delete /f /tn "GoogleUpdateForcefully"
  2⤵
  PID:3980
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /create /f /tn "GoogleUpdateForcefully" /xml "C:\Users\Admin\AppData\Local\Temp\iwzulyohcyoo.xml"
  2⤵
  - Creates scheduled task(s)
  PID:4128

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2432

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1516

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1452

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1444

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
PID:1344

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1288

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1236

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1140

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1120

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
PID:1088

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:1000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

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:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_du4ks0gd.hcv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\iwzulyohcyoo.xml

Filesize
1KB

MD5
84ee42fe9a79a7eb9c9f96ab678af294

SHA1
62406990bcda0de8354575147aa07161be1ab194

SHA256
1e806c8c561abb9100a544eca8894f0c9b98f0859d92b277b6b511125f5c7427

SHA512
78ca886963a281e1164d6baebc285f62724b2a160d060b3bec43b5e0df0c6a13b58b36339318993e1306e86360ed591f2d2ffdf4af3f46b0aceacf9cbee66710

Download Submit
memory/316-39-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/316-49-0x00000175B5320000-0x00000175B534B000-memory.dmp

Filesize
172KB

Download
memory/316-35-0x00000175B5320000-0x00000175B534B000-memory.dmp

Filesize
172KB

Download
memory/520-51-0x000001C880D20000-0x000001C880D4B000-memory.dmp

Filesize
172KB

Download
memory/520-44-0x000001C880D20000-0x000001C880D4B000-memory.dmp

Filesize
172KB

Download
memory/520-46-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/620-78-0x000001DB9A250000-0x000001DB9A27B000-memory.dmp

Filesize
172KB

Download
memory/620-23-0x000001DB9A220000-0x000001DB9A244000-memory.dmp

Filesize
144KB

Download
memory/620-26-0x000001DB9A250000-0x000001DB9A27B000-memory.dmp

Filesize
172KB

Download
memory/620-29-0x00007FF9CAFCD000-0x00007FF9CAFCE000-memory.dmp

Filesize
4KB

Download
memory/620-32-0x00007FF9CAFCF000-0x00007FF9CAFD0000-memory.dmp

Filesize
4KB

Download
memory/688-40-0x0000022F68D30000-0x0000022F68D5B000-memory.dmp

Filesize
172KB

Download
memory/688-45-0x00007FF9CAFCF000-0x00007FF9CAFD0000-memory.dmp

Filesize
4KB

Download
memory/688-43-0x00007FF9CAFCD000-0x00007FF9CAFCE000-memory.dmp

Filesize
4KB

Download
memory/688-30-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/688-28-0x0000022F68D30000-0x0000022F68D5B000-memory.dmp

Filesize
172KB

Download
memory/952-34-0x00000278693D0000-0x00000278693FB000-memory.dmp

Filesize
172KB

Download
memory/952-48-0x00000278693D0000-0x00000278693FB000-memory.dmp

Filesize
172KB

Download
memory/952-50-0x00007FF9CAFCC000-0x00007FF9CAFCD000-memory.dmp

Filesize
4KB

Download
memory/952-38-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1000-56-0x00000190DA930000-0x00000190DA95B000-memory.dmp

Filesize
172KB

Download
memory/1000-58-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1000-83-0x00000190DA930000-0x00000190DA95B000-memory.dmp

Filesize
172KB

Download
memory/1088-60-0x000002B677F20000-0x000002B677F4B000-memory.dmp

Filesize
172KB

Download
memory/1088-62-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1088-91-0x000002B677F20000-0x000002B677F4B000-memory.dmp

Filesize
172KB

Download
memory/1096-64-0x0000023CB6520000-0x0000023CB654B000-memory.dmp

Filesize
172KB

Download
memory/1096-66-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1096-100-0x0000023CB6520000-0x0000023CB654B000-memory.dmp

Filesize
172KB

Download
memory/1120-117-0x0000017495FD0000-0x0000017495FFB000-memory.dmp

Filesize
172KB

Download
memory/1120-73-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1120-72-0x0000017495FD0000-0x0000017495FFB000-memory.dmp

Filesize
172KB

Download
memory/1140-125-0x00000201EA780000-0x00000201EA7AB000-memory.dmp

Filesize
172KB

Download
memory/1140-77-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1140-76-0x00000201EA780000-0x00000201EA7AB000-memory.dmp

Filesize
172KB

Download
memory/1236-158-0x0000012148290000-0x00000121482BB000-memory.dmp

Filesize
172KB

Download
memory/1236-84-0x0000012148290000-0x00000121482BB000-memory.dmp

Filesize
172KB

Download
memory/1236-88-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1288-90-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1288-139-0x000002536BA00000-0x000002536BA2B000-memory.dmp

Filesize
172KB

Download
memory/1288-87-0x000002536BA00000-0x000002536BA2B000-memory.dmp

Filesize
172KB

Download
memory/1344-98-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1344-96-0x00000226297B0000-0x00000226297DB000-memory.dmp

Filesize
172KB

Download
memory/1444-101-0x00007FF98AFB0000-0x00007FF98AFC0000-memory.dmp

Filesize
64KB

Download
memory/1444-97-0x00000220D3D90000-0x00000220D3DBB000-memory.dmp

Filesize
172KB

Download
memory/1444-110-0x00000220D3D90000-0x00000220D3DBB000-memory.dmp

Filesize
172KB

Download
memory/1452-102-0x0000021EA5DA0000-0x0000021EA5DCB000-memory.dmp

Filesize
172KB

Download
memory/1516-107-0x0000027C7C4A0000-0x0000027C7C4CB000-memory.dmp

Filesize
172KB

Download
memory/1568-114-0x000001DFA6E90000-0x000001DFA6EBB000-memory.dmp

Filesize
172KB

Download
memory/1604-120-0x000001DED9890000-0x000001DED98BB000-memory.dmp

Filesize
172KB

Download
memory/1628-128-0x00000142652B0000-0x00000142652DB000-memory.dmp

Filesize
172KB

Download
memory/1680-132-0x0000015AF8960000-0x0000015AF898B000-memory.dmp

Filesize
172KB

Download
memory/1736-136-0x0000021286570000-0x000002128659B000-memory.dmp

Filesize
172KB

Download
memory/1816-148-0x00000162E0DD0000-0x00000162E0DFB000-memory.dmp

Filesize
172KB

Download
memory/1880-154-0x00000201AC7D0000-0x00000201AC7FB000-memory.dmp

Filesize
172KB

Download
memory/2204-13-0x00000280AAE60000-0x00000280AAE70000-memory.dmp

Filesize
64KB

Download
memory/2204-14-0x00000280AAE60000-0x00000280AAE70000-memory.dmp

Filesize
64KB

Download
memory/2204-12-0x00000280AAE60000-0x00000280AAE70000-memory.dmp

Filesize
64KB

Download
memory/2204-11-0x00007FF9AB940000-0x00007FF9AC401000-memory.dmp

Filesize
10.8MB

Download
memory/2204-18-0x00007FF9AB940000-0x00007FF9AC401000-memory.dmp

Filesize
10.8MB

Download
memory/2204-10-0x00000280AC750000-0x00000280AC772000-memory.dmp

Filesize
136KB

Download
memory/2204-16-0x00000280AAE60000-0x00000280AAE70000-memory.dmp

Filesize
64KB

Download
memory/2540-22-0x00007FF9CAC40000-0x00007FF9CACFE000-memory.dmp

Filesize
760KB

Download
memory/2540-21-0x00007FF9CAF30000-0x00007FF9CB125000-memory.dmp

Filesize
2.0MB

Download
memory/4624-0-0x00007FF70DB80000-0x00007FF70E0E9000-memory.dmp

Filesize
5.4MB

Download
memory/4624-36-0x00007FF70DB80000-0x00007FF70E0E9000-memory.dmp

Filesize
5.4MB

Download
memory/4624-15-0x00007FF70DB80000-0x00007FF70E0E9000-memory.dmp

Filesize
5.4MB

Download