abef6f1ed0b96268121c878a4d49705f80b59c2647f7149957240de13156bfc7

Analysis

max time kernel
141s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 09:39

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General

Target

Uninstalr_Portable.exe
Size

5.5MB
MD5

55cb26504cec040de4d4a6bd430ce2de
SHA1

2948e58ca9f3d31c076b2cc5c16d8dba71fd7bf4
SHA256

abef6f1ed0b96268121c878a4d49705f80b59c2647f7149957240de13156bfc7
SHA512

e57b865cf987b493cd3e8c1bd1a0b5e2ddcde18ca06fc625eedd98a592056a05fd5224876bb23704eff15bb4ff5af229b4bab15d46b63cdec9f4e6e09c725f54
SSDEEP

98304:q2XAsLlOuP1JQSBeESX+Ho8FrT/28ylm0AmshxOwxSDCGOp7rgHXo3K:ZXLku0dESdsT/iRArWwnbp7x3K

Score

7^/10

discovery spyware stealer upx

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2068-0-0x0000000000400000-0x0000000002670000-memory.dmp	upx
behavioral1/memory/2068-13-0x0000000000400000-0x0000000002670000-memory.dmp	upx
behavioral1/memory/2068-14-0x0000000000400000-0x0000000002670000-memory.dmp	upx
behavioral1/memory/2068-15-0x0000000000400000-0x0000000002670000-memory.dmp	upx
behavioral1/memory/2068-18-0x0000000000400000-0x0000000002670000-memory.dmp	upx
behavioral1/memory/2068-19-0x0000000000400000-0x0000000002670000-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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2068	Uninstalr_Portable.exe
2068	Uninstalr_Portable.exe
2804	powershell.exe
2068	Uninstalr_Portable.exe
2068	Uninstalr_Portable.exe
2068	Uninstalr_Portable.exe
2068	Uninstalr_Portable.exe
2068	Uninstalr_Portable.exe
2068	Uninstalr_Portable.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2660	WMIC.exe
Token: SeSecurityPrivilege	2660	WMIC.exe
Token: SeTakeOwnershipPrivilege	2660	WMIC.exe
Token: SeLoadDriverPrivilege	2660	WMIC.exe
Token: SeSystemProfilePrivilege	2660	WMIC.exe
Token: SeSystemtimePrivilege	2660	WMIC.exe
Token: SeProfSingleProcessPrivilege	2660	WMIC.exe
Token: SeIncBasePriorityPrivilege	2660	WMIC.exe
Token: SeCreatePagefilePrivilege	2660	WMIC.exe
Token: SeBackupPrivilege	2660	WMIC.exe
Token: SeRestorePrivilege	2660	WMIC.exe
Token: SeShutdownPrivilege	2660	WMIC.exe
Token: SeDebugPrivilege	2660	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2660	WMIC.exe
Token: SeRemoteShutdownPrivilege	2660	WMIC.exe
Token: SeUndockPrivilege	2660	WMIC.exe
Token: SeManageVolumePrivilege	2660	WMIC.exe
Token: 33	2660	WMIC.exe
Token: 34	2660	WMIC.exe
Token: 35	2660	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2660	WMIC.exe
Token: SeSecurityPrivilege	2660	WMIC.exe
Token: SeTakeOwnershipPrivilege	2660	WMIC.exe
Token: SeLoadDriverPrivilege	2660	WMIC.exe
Token: SeSystemProfilePrivilege	2660	WMIC.exe
Token: SeSystemtimePrivilege	2660	WMIC.exe
Token: SeProfSingleProcessPrivilege	2660	WMIC.exe
Token: SeIncBasePriorityPrivilege	2660	WMIC.exe
Token: SeCreatePagefilePrivilege	2660	WMIC.exe
Token: SeBackupPrivilege	2660	WMIC.exe
Token: SeRestorePrivilege	2660	WMIC.exe
Token: SeShutdownPrivilege	2660	WMIC.exe
Token: SeDebugPrivilege	2660	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2660	WMIC.exe
Token: SeRemoteShutdownPrivilege	2660	WMIC.exe
Token: SeUndockPrivilege	2660	WMIC.exe
Token: SeManageVolumePrivilege	2660	WMIC.exe
Token: 33	2660	WMIC.exe
Token: 34	2660	WMIC.exe
Token: 35	2660	WMIC.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeRestorePrivilege	2716	msiexec.exe
Token: SeTakeOwnershipPrivilege	2716	msiexec.exe
Token: SeSecurityPrivilege	2716	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2068	Uninstalr_Portable.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2068	Uninstalr_Portable.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2804	2068	Uninstalr_Portable.exe	28
PID 2068 wrote to memory of 2804	2068	Uninstalr_Portable.exe	28
PID 2068 wrote to memory of 2804	2068	Uninstalr_Portable.exe	28
PID 2068 wrote to memory of 2804	2068	Uninstalr_Portable.exe	28
PID 2068 wrote to memory of 3048	2068	Uninstalr_Portable.exe	30
PID 2068 wrote to memory of 3048	2068	Uninstalr_Portable.exe	30
PID 2068 wrote to memory of 3048	2068	Uninstalr_Portable.exe	30
PID 2068 wrote to memory of 3048	2068	Uninstalr_Portable.exe	30
PID 3048 wrote to memory of 2660	3048	cmd.exe	32
PID 3048 wrote to memory of 2660	3048	cmd.exe	32
PID 3048 wrote to memory of 2660	3048	cmd.exe	32
PID 3048 wrote to memory of 2660	3048	cmd.exe	32

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_Portable.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstalr_Portable.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068
- 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_259397760.tmp"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- 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_259397807.tmp"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic product get InstallDate, InstallLocation, Name, Vendor, Version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2660

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Uninstalr_can_delete_x2_259397807.tmp

Filesize
14KB

MD5
a07b60f5b85dc7f90c27efbff5927847

SHA1
45afba7fb81c0755f9183fac07729bbb580b8dcb

SHA256
775450d3ca1ad0367e218d4e468b9d97a48a25e692b8e8510743302e23da64f9

SHA512
e2e766c93148ca261a6e1d7b5446c3a95e213384a3abaeccb8c762a19200b40339a6e18d7b382ba0522457c994533cb0612adc99c9ea39a7da8c7d8720e432f8

Download Submit
memory/2068-16-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2068-1-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2068-19-0x0000000000400000-0x0000000002670000-memory.dmp

Filesize
34.4MB

Download
memory/2068-18-0x0000000000400000-0x0000000002670000-memory.dmp

Filesize
34.4MB

Download
memory/2068-17-0x0000000006BF0000-0x0000000006C00000-memory.dmp

Filesize
64KB

Download
memory/2068-0-0x0000000000400000-0x0000000002670000-memory.dmp

Filesize
34.4MB

Download
memory/2068-2-0x0000000006BF0000-0x0000000006C00000-memory.dmp

Filesize
64KB

Download
memory/2068-15-0x0000000000400000-0x0000000002670000-memory.dmp

Filesize
34.4MB

Download
memory/2068-13-0x0000000000400000-0x0000000002670000-memory.dmp

Filesize
34.4MB

Download
memory/2068-14-0x0000000000400000-0x0000000002670000-memory.dmp

Filesize
34.4MB

Download
memory/2804-9-0x0000000073A70000-0x000000007401B000-memory.dmp

Filesize
5.7MB

Download
memory/2804-8-0x00000000029D0000-0x0000000002A10000-memory.dmp

Filesize
256KB

Download
memory/2804-7-0x0000000073A70000-0x000000007401B000-memory.dmp

Filesize
5.7MB

Download
memory/2804-6-0x00000000029D0000-0x0000000002A10000-memory.dmp

Filesize
256KB

Download
memory/2804-5-0x0000000073A70000-0x000000007401B000-memory.dmp

Filesize
5.7MB

Download