3c9e3e8035a213d59ebf59fc8b3889f9af6d1bcbb4083064b6ffbca9a588fc4c

Analysis

max time kernel
18s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	Uninstalr.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral8/memory/3496-0-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-40-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-42-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-54-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-97-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-98-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-99-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-100-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-101-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-102-0x0000000000400000-0x000000000280D000-memory.dmp	upx
behavioral8/memory/3496-103-0x0000000000400000-0x000000000280D000-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
4744	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	Uninstalr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3496	Uninstalr.exe
3496	Uninstalr.exe
4744	powershell.exe
4744	powershell.exe
3496	Uninstalr.exe
3496	Uninstalr.exe
3496	Uninstalr.exe
3496	Uninstalr.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	powershell.exe
Token: SeIncreaseQuotaPrivilege	4572	WMIC.exe
Token: SeSecurityPrivilege	4572	WMIC.exe
Token: SeTakeOwnershipPrivilege	4572	WMIC.exe
Token: SeLoadDriverPrivilege	4572	WMIC.exe
Token: SeSystemProfilePrivilege	4572	WMIC.exe
Token: SeSystemtimePrivilege	4572	WMIC.exe
Token: SeProfSingleProcessPrivilege	4572	WMIC.exe
Token: SeIncBasePriorityPrivilege	4572	WMIC.exe
Token: SeCreatePagefilePrivilege	4572	WMIC.exe
Token: SeBackupPrivilege	4572	WMIC.exe
Token: SeRestorePrivilege	4572	WMIC.exe
Token: SeShutdownPrivilege	4572	WMIC.exe
Token: SeDebugPrivilege	4572	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4572	WMIC.exe
Token: SeRemoteShutdownPrivilege	4572	WMIC.exe
Token: SeUndockPrivilege	4572	WMIC.exe
Token: SeManageVolumePrivilege	4572	WMIC.exe
Token: 33	4572	WMIC.exe
Token: 34	4572	WMIC.exe
Token: 35	4572	WMIC.exe
Token: 36	4572	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4572	WMIC.exe
Token: SeSecurityPrivilege	4572	WMIC.exe
Token: SeTakeOwnershipPrivilege	4572	WMIC.exe
Token: SeLoadDriverPrivilege	4572	WMIC.exe
Token: SeSystemProfilePrivilege	4572	WMIC.exe
Token: SeSystemtimePrivilege	4572	WMIC.exe
Token: SeProfSingleProcessPrivilege	4572	WMIC.exe
Token: SeIncBasePriorityPrivilege	4572	WMIC.exe
Token: SeCreatePagefilePrivilege	4572	WMIC.exe
Token: SeBackupPrivilege	4572	WMIC.exe
Token: SeRestorePrivilege	4572	WMIC.exe
Token: SeShutdownPrivilege	4572	WMIC.exe
Token: SeDebugPrivilege	4572	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4572	WMIC.exe
Token: SeRemoteShutdownPrivilege	4572	WMIC.exe
Token: SeUndockPrivilege	4572	WMIC.exe
Token: SeManageVolumePrivilege	4572	WMIC.exe
Token: 33	4572	WMIC.exe
Token: 34	4572	WMIC.exe
Token: 35	4572	WMIC.exe
Token: 36	4572	WMIC.exe
Token: SeSecurityPrivilege	2708	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3496	Uninstalr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3496	Uninstalr.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 4744	3496	Uninstalr.exe	86
PID 3496 wrote to memory of 4744	3496	Uninstalr.exe	86
PID 3496 wrote to memory of 4744	3496	Uninstalr.exe	86
PID 3496 wrote to memory of 1064	3496	Uninstalr.exe	92
PID 3496 wrote to memory of 1064	3496	Uninstalr.exe	92
PID 3496 wrote to memory of 1064	3496	Uninstalr.exe	92
PID 1064 wrote to memory of 4572	1064	cmd.exe	94
PID 1064 wrote to memory of 4572	1064	cmd.exe	94
PID 1064 wrote to memory of 4572	1064	cmd.exe	94

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⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3496
- 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_240624703.tmp"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4744
- 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_240626828.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1064
- - 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:4572

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2708

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_x1_240624703.tmp

Filesize
154KB

MD5
9402e3c99a3d4f7c4366190b2ba149f9

SHA1
7d84d0a354a70e183b8e33aeb35b7461e3a862a0

SHA256
63dfe1cd8936239a1a7d0725a0d80d6217a892d55f72a0ef323d48175ad68395

SHA512
3738ed7abd101d27d5849c4695d554c54895c55e60e99430b08b880c5eb6355624a2e866c9731cb37ab47aadc5c2942c600340ba3430cc4664625a8c41d81dc6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Uninstalr_can_delete_x2_240626828.tmp

Filesize
12KB

MD5
ad3f6d0eedaac5c71f414bb49d35f1e2

SHA1
4925eabac0ca1215fa64c3abcf6c7bf3c9027997

SHA256
7c5a50f0ca74bef5f17badeb670eaa12a74bd89a962ed556ee5a1c577747733b

SHA512
bdb738192d54696a32fcab77685259a423e2d97c5d5145dc444929c23212adbdcc38ebc7c320948e69c7b7a6d8b687ecb0d1b1757155a5fecd2319fb478587ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5gm5lyc4.ixs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3496-54-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-102-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-103-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-101-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-100-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-99-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-0-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-98-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-97-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-1-0x0000000002E00000-0x0000000002E01000-memory.dmp

Filesize
4KB

Download
memory/3496-42-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-40-0x0000000000400000-0x000000000280D000-memory.dmp

Filesize
36.1MB

Download
memory/3496-41-0x0000000002E00000-0x0000000002E01000-memory.dmp

Filesize
4KB

Download
memory/4744-7-0x0000000005720000-0x0000000005742000-memory.dmp

Filesize
136KB

Download
memory/4744-48-0x0000000072140000-0x00000000728F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-35-0x0000000008140000-0x00000000087BA000-memory.dmp

Filesize
6.5MB

Download
memory/4744-38-0x0000000006D00000-0x0000000006D0A000-memory.dmp

Filesize
40KB

Download
memory/4744-34-0x00000000076D0000-0x0000000007773000-memory.dmp

Filesize
652KB

Download
memory/4744-5-0x0000000005970000-0x0000000005F98000-memory.dmp

Filesize
6.2MB

Download
memory/4744-33-0x0000000006CF0000-0x0000000006D0E000-memory.dmp

Filesize
120KB

Download
memory/4744-23-0x000000006E9D0000-0x000000006EA1C000-memory.dmp

Filesize
304KB

Download
memory/4744-22-0x0000000006CB0000-0x0000000006CE2000-memory.dmp

Filesize
200KB

Download
memory/4744-45-0x000000007214E000-0x000000007214F000-memory.dmp

Filesize
4KB

Download
memory/4744-47-0x0000000072140000-0x00000000728F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-36-0x0000000007830000-0x000000000784A000-memory.dmp

Filesize
104KB

Download
memory/4744-3-0x0000000002DC0000-0x0000000002DF6000-memory.dmp

Filesize
216KB

Download
memory/4744-2-0x000000007214E000-0x000000007214F000-memory.dmp

Filesize
4KB

Download
memory/4744-4-0x0000000072140000-0x00000000728F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-21-0x0000000006720000-0x000000000676C000-memory.dmp

Filesize
304KB

Download
memory/4744-20-0x00000000066E0000-0x00000000066FE000-memory.dmp

Filesize
120KB

Download
memory/4744-19-0x0000000006120000-0x0000000006474000-memory.dmp

Filesize
3.3MB

Download
memory/4744-9-0x00000000060B0000-0x0000000006116000-memory.dmp

Filesize
408KB

Download
memory/4744-8-0x0000000006040000-0x00000000060A6000-memory.dmp

Filesize
408KB

Download
memory/4744-6-0x0000000072140000-0x00000000728F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-39-0x0000000007CA0000-0x0000000007CC6000-memory.dmp

Filesize
152KB

Download
memory/4744-37-0x0000000007AC0000-0x0000000007AD6000-memory.dmp

Filesize
88KB

Download