d4979877d317ac3ee167239f647f6a55a821cfac7875528e3bbecb7110f2f60b

Analysis

max time kernel
94s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 09:57

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General

Target

uninst.exe
Size

150KB
MD5

9b85c3ff3184aa53f4f28b8c6253babf
SHA1

ab23d393eb0c0b622bc7b6ea62f31c2c5d7fecb2
SHA256

b29fad48875e434911692a13881cc49c2349b9ed402316da67cc5da3daea191f
SHA512

fb6629c3cfb892d8bdfa6e3d1061ec8926c6d09f23d26033afa95b8ebc7284c52fcb9f481945431bb76bef411364c63f84c77068b5717506e6dd22ccbc270b68
SSDEEP

3072:1aF6FILxuJ8JutbHewZuOf/iYxnlJQGpwsIdQS:+O9jt6wZug3puGS

Score

10^/10

evasion trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	uninst.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral24/memory/1536-3-0x0000000002360000-0x000000000338A000-memory.dmp	upx
behavioral24/memory/1536-5-0x0000000002360000-0x000000000338A000-memory.dmp	upx
behavioral24/memory/1536-12-0x0000000002360000-0x000000000338A000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	uninst.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	uninst.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1536	uninst.exe
1536	uninst.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe
Token: SeDebugPrivilege	1536	uninst.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 764	1536	uninst.exe	8
PID 1536 wrote to memory of 768	1536	uninst.exe	9
PID 1536 wrote to memory of 1016	1536	uninst.exe	13
PID 1536 wrote to memory of 2644	1536	uninst.exe	44
PID 1536 wrote to memory of 2656	1536	uninst.exe	45
PID 1536 wrote to memory of 2992	1536	uninst.exe	51
PID 1536 wrote to memory of 3500	1536	uninst.exe	56
PID 1536 wrote to memory of 3632	1536	uninst.exe	57
PID 1536 wrote to memory of 3808	1536	uninst.exe	58
PID 1536 wrote to memory of 3900	1536	uninst.exe	59
PID 1536 wrote to memory of 3964	1536	uninst.exe	60
PID 1536 wrote to memory of 4092	1536	uninst.exe	61
PID 1536 wrote to memory of 4188	1536	uninst.exe	62
PID 1536 wrote to memory of 60	1536	uninst.exe	75
PID 1536 wrote to memory of 3568	1536	uninst.exe	76
PID 1536 wrote to memory of 1064	1536	uninst.exe	80
PID 1536 wrote to memory of 792	1536	uninst.exe	81
PID 1536 wrote to memory of 3820	1536	uninst.exe	83

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	uninst.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:764

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:768

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:1016

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2644

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500
- C:\Users\Admin\AppData\Local\Temp\uninst.exe
  "C:\Users\Admin\AppData\Local\Temp\uninst.exe"
  2⤵
  - UAC bypass
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1536

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3632

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3808

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3900

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3964

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4092

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4188

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:60

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3568

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:1064

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:792

C:\Windows\system32\BackgroundTaskHost.exe
"C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
1⤵
PID:3820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1536-0-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1536-3-0x0000000002360000-0x000000000338A000-memory.dmp

Filesize
16.2MB

Download
memory/1536-5-0x0000000002360000-0x000000000338A000-memory.dmp

Filesize
16.2MB

Download
memory/1536-13-0x0000000000600000-0x0000000000602000-memory.dmp

Filesize
8KB

Download
memory/1536-12-0x0000000002360000-0x000000000338A000-memory.dmp

Filesize
16.2MB

Download
memory/1536-24-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1536-16-0x0000000000600000-0x0000000000602000-memory.dmp

Filesize
8KB

Download
memory/1536-11-0x0000000000600000-0x0000000000602000-memory.dmp

Filesize
8KB

Download
memory/1536-8-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/1536-7-0x0000000000600000-0x0000000000602000-memory.dmp

Filesize
8KB

Download