68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
13/06/2024, 01:22

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General

Target

68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe
Size

1.6MB
MD5

70467670cda5878ec6d1670c4b395318
SHA1

d32331447127bdf0656cf23a8587847c4251542a
SHA256

68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888
SHA512

3a697125924e824223e30b0d04c4d2da1b00196900629f96cb78683cf6a42cd4a73a98df94126710cf139a6ddff472a7129167c91f8d11e891c26191c58414a4
SSDEEP

12288:Yq9Kz9XYHoV3/f13l+qefXfgaB2dj1z+Bhb3p18LB/0zHm8o:YUK6IV3/deYaB2djw3pSB0zG3

Score

10^/10

evasion execution persistence trojan

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"	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral1/memory/2436-3-0x0000000000D20000-0x0000000000DBC000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-481678230-3773327859-3495911762-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	fontview.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2412	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\TNS4SFN8OB_ = "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe"	fontview.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 2744	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	32
PID 2744 set thread context of 1192	2744	iexplore.exe	21
PID 2744 set thread context of 2676	2744	iexplore.exe	34
PID 2676 set thread context of 1192	2676	fontview.exe	21

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2412	powershell.exe
2744	iexplore.exe
2744	iexplore.exe
2744	iexplore.exe
2744	iexplore.exe
2744	iexplore.exe
2744	iexplore.exe
2744	iexplore.exe
2744	iexplore.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe
2676	fontview.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2744	iexplore.exe
1192	Explorer.EXE
1192	Explorer.EXE
2676	fontview.exe
2676	fontview.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe
Token: SeDebugPrivilege	2412	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2412	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	28
PID 2436 wrote to memory of 2412	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	28
PID 2436 wrote to memory of 2412	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	28
PID 2436 wrote to memory of 2708	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	30
PID 2436 wrote to memory of 2708	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	30
PID 2436 wrote to memory of 2708	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	30
PID 2436 wrote to memory of 2708	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	30
PID 2436 wrote to memory of 2708	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	30
PID 2436 wrote to memory of 2720	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	31
PID 2436 wrote to memory of 2720	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	31
PID 2436 wrote to memory of 2720	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	31
PID 2436 wrote to memory of 2720	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	31
PID 2436 wrote to memory of 2720	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	31
PID 2436 wrote to memory of 2720	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	31
PID 2436 wrote to memory of 2744	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	32
PID 2436 wrote to memory of 2744	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	32
PID 2436 wrote to memory of 2744	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	32
PID 2436 wrote to memory of 2744	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	32
PID 2436 wrote to memory of 2744	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	32
PID 2436 wrote to memory of 2744	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	32
PID 2436 wrote to memory of 2744	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	32
PID 2436 wrote to memory of 2660	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	33
PID 2436 wrote to memory of 2660	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	33
PID 2436 wrote to memory of 2660	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	33
PID 2436 wrote to memory of 2660	2436	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe	33
PID 1192 wrote to memory of 2676	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2676	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2676	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2676	1192	Explorer.EXE	34

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"	68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe
  "C:\Users\Admin\AppData\Local\Temp\68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe"
  2⤵
  - UAC bypass
  - Checks whether UAC is enabled
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2436
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\68a2c42f5e5c03827b424e1429170d79ea0529987ec07f4a2b76ef109bb7a888.exe" -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2412
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe"
    3⤵
    PID:2708
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    PID:2720
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:2744
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2660
- C:\Windows\SysWOW64\fontview.exe
  "C:\Windows\SysWOW64\fontview.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

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Downloads

memory/1192-18-0x0000000003B00000-0x0000000003C00000-memory.dmp

Filesize
1024KB

Download
memory/2412-10-0x000000001B4F0000-0x000000001B7D2000-memory.dmp

Filesize
2.9MB

Download
memory/2412-11-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/2436-3-0x0000000000D20000-0x0000000000DBC000-memory.dmp

Filesize
624KB

Download
memory/2436-0-0x000007FEF5713000-0x000007FEF5714000-memory.dmp

Filesize
4KB

Download
memory/2436-2-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2436-17-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2436-1-0x0000000000FD0000-0x0000000000FEA000-memory.dmp

Filesize
104KB

Download
memory/2676-19-0x0000000000110000-0x000000000014F000-memory.dmp

Filesize
252KB

Download
memory/2676-20-0x0000000000110000-0x000000000014F000-memory.dmp

Filesize
252KB

Download
memory/2708-5-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2708-4-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2744-16-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download