3c9e3e8035a213d59ebf59fc8b3889f9af6d1bcbb4083064b6ffbca9a588fc4c

Analysis

max time kernel
23s
max time network
94s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-09-2024 08:33

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General

Target

Uninstalr.exe
Size

5.8MB
MD5

7fd25adf2e51606e9c44b26bf32335fa
SHA1

0859dae2b2a8b7a7ac68bed3d5ab7b49e94b7001
SHA256

60814f455b04e8bf9b5c19aada40fe6838c1ca5b2b6c1f1e5ece8f5479b2b84f
SHA512

ad59f77cc8b05fa2cde584b6b701b07719f6cc7d99be543f24b9759e5a65b3d2d789aa1baec1b093732ac47479c1544a251bac4ddf730b2e9df21cbcb08968aa
SSDEEP

98304:31ZG/7+Y+ueg2G8QtGp3XdHGZzqbTg2T5NQiBClc5QO8cdB/JUldokgNvvNdIc2J:310/7+YYBNtGZQTpIiBClo8cdB/JIo1a

Score

7^/10

discovery execution upx

Malware Config

Signatures

UPX packed file 15 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral7/memory/2780-0-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-1-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-5-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-6-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-7-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-9-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-11-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-58-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-59-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-60-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-62-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-63-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-64-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-65-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral7/memory/2780-66-0x0000000000400000-0x000000000280D000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2788	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstalr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2780	Uninstalr.exe
2780	Uninstalr.exe
2788	powershell.exe
2780	Uninstalr.exe
2780	Uninstalr.exe
2780	Uninstalr.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeIncreaseQuotaPrivilege	2976	WMIC.exe
Token: SeSecurityPrivilege	2976	WMIC.exe
Token: SeTakeOwnershipPrivilege	2976	WMIC.exe
Token: SeLoadDriverPrivilege	2976	WMIC.exe
Token: SeSystemProfilePrivilege	2976	WMIC.exe
Token: SeSystemtimePrivilege	2976	WMIC.exe
Token: SeProfSingleProcessPrivilege	2976	WMIC.exe
Token: SeIncBasePriorityPrivilege	2976	WMIC.exe
Token: SeCreatePagefilePrivilege	2976	WMIC.exe
Token: SeBackupPrivilege	2976	WMIC.exe
Token: SeRestorePrivilege	2976	WMIC.exe
Token: SeShutdownPrivilege	2976	WMIC.exe
Token: SeDebugPrivilege	2976	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2976	WMIC.exe
Token: SeRemoteShutdownPrivilege	2976	WMIC.exe
Token: SeUndockPrivilege	2976	WMIC.exe
Token: SeManageVolumePrivilege	2976	WMIC.exe
Token: 33	2976	WMIC.exe
Token: 34	2976	WMIC.exe
Token: 35	2976	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2976	WMIC.exe
Token: SeSecurityPrivilege	2976	WMIC.exe
Token: SeTakeOwnershipPrivilege	2976	WMIC.exe
Token: SeLoadDriverPrivilege	2976	WMIC.exe
Token: SeSystemProfilePrivilege	2976	WMIC.exe
Token: SeSystemtimePrivilege	2976	WMIC.exe
Token: SeProfSingleProcessPrivilege	2976	WMIC.exe
Token: SeIncBasePriorityPrivilege	2976	WMIC.exe
Token: SeCreatePagefilePrivilege	2976	WMIC.exe
Token: SeBackupPrivilege	2976	WMIC.exe
Token: SeRestorePrivilege	2976	WMIC.exe
Token: SeShutdownPrivilege	2976	WMIC.exe
Token: SeDebugPrivilege	2976	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2976	WMIC.exe
Token: SeRemoteShutdownPrivilege	2976	WMIC.exe
Token: SeUndockPrivilege	2976	WMIC.exe
Token: SeManageVolumePrivilege	2976	WMIC.exe
Token: 33	2976	WMIC.exe
Token: 34	2976	WMIC.exe
Token: 35	2976	WMIC.exe
Token: SeRestorePrivilege	3040	msiexec.exe
Token: SeTakeOwnershipPrivilege	3040	msiexec.exe
Token: SeSecurityPrivilege	3040	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2780	Uninstalr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2780	Uninstalr.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2788	2780	Uninstalr.exe	30
PID 2780 wrote to memory of 2788	2780	Uninstalr.exe	30
PID 2780 wrote to memory of 2788	2780	Uninstalr.exe	30
PID 2780 wrote to memory of 2788	2780	Uninstalr.exe	30
PID 2780 wrote to memory of 2388	2780	Uninstalr.exe	32
PID 2780 wrote to memory of 2388	2780	Uninstalr.exe	32
PID 2780 wrote to memory of 2388	2780	Uninstalr.exe	32
PID 2780 wrote to memory of 2388	2780	Uninstalr.exe	32
PID 2388 wrote to memory of 2976	2388	cmd.exe	34
PID 2388 wrote to memory of 2976	2388	cmd.exe	34
PID 2388 wrote to memory of 2976	2388	cmd.exe	34
PID 2388 wrote to memory of 2976	2388	cmd.exe	34

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
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\Uninstalr.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstalr.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Get-AppxPackage -AllUsers | Out-File "C:\Users\Admin\AppData\Local\Temp\Uninstalr_can_delete_x1_259508255.tmp"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic product get InstallDate, InstallLocation, Name, Vendor, Version > "C:\Users\Admin\AppData\Local\Temp\Uninstalr_can_delete_x2_259510393.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic product get InstallDate, InstallLocation, Name, Vendor, Version
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2976

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3040

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

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Uninstalr.dat

Filesize
150B

MD5
4818ce28ce15e8d5d9703c66bda79e2f

SHA1
30fe84b8d559cff11eafa2957dd5667952e93889

SHA256
852999ef54f51ba16c1565d70f3ee846bc0d71405ba3677c1ee889d48e5b9577

SHA512
31363f77220fe483b46f7bc0bf477c4219eede827e14fa5cad6e9d0016cf315f169f32a73df061326d71d0ebe33523173ed28b38970a019d190dbf109e69b000

Download Submit
C:\Users\Admin\AppData\Local\Temp\Uninstalr_can_delete_x2_259510393.tmp

Filesize
14KB

MD5
afd7aaad1fd14fb14fb1879cece509b3

SHA1
a31ddb805d42b1037345c4958c36bdc5751f7764

SHA256
5e7960c31a6201c2efa515a309751d164a658bdab5471b911e3dc195c080adc7

SHA512
59eb694dd75832d3d13e992c9a6d4bf374d85ba958b156a811cec5d35e527265a0b235c6f14ccae7b24e90099bd0ac1ce50bb3c9e24825ab0ccd888fa337ab05

Download Submit
memory/2780-7-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-58-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-0-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-8-0x0000000006A40000-0x0000000006A50000-memory.dmp

Filesize
64KB

Download
memory/2780-9-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-11-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-5-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-4-0x0000000006A40000-0x0000000006A50000-memory.dmp

Filesize
64KB

Download
memory/2780-1-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-6-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-59-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-60-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-62-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-63-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-64-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-65-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/2780-66-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download