a0c66743d784ba640b1410e9535072074c4a9a6e835499da1d4a59e900dd4503

Analysis

max time kernel
126s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06-07-2024 01:40

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General

Target

265206b5c880a8624fbf3c4c6e2338c3.exe
Size

132KB
MD5

265206b5c880a8624fbf3c4c6e2338c3
SHA1

1aa7b549ee7bd215cd1efe10da57a7aabee8fc40
SHA256

a0c66743d784ba640b1410e9535072074c4a9a6e835499da1d4a59e900dd4503
SHA512

3a2c925c3a1f452a05a9c84c4c49f13298f4351d752d2062e1bbd4f8609024ec7ae181d38a4f13fe1f4138903042f56dd3babf1e53734062bea88809984c7b0e
SSDEEP

1536:ZvcZCTbbxtbJypX2I3YU9oLmb1DYfQSxV2cPY7ROEYa9YreGQJdFuQ20:B9b7bJyp79GLvfQUV29ROER6GF20

Score

10^/10

evasion execution persistence upx

Malware Config

Signatures

Disables service(s) 3 TTPs
evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	265206b5c880a8624fbf3c4c6e2338c3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\5rvc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1tky.exe"	265206b5c880a8624fbf3c4c6e2338c3.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	1tky.exe

Deletes itself 1 IoCs

pid	Process
2696	cmd.exe

Executes dropped EXE 3 IoCs

pid	Process
2836	1tky.exe
916	1tky.exe
1720	1tky.exe

Loads dropped DLL 4 IoCs

pid	Process
2224	265206b5c880a8624fbf3c4c6e2338c3.exe
2224	265206b5c880a8624fbf3c4c6e2338c3.exe
2836	1tky.exe
2836	1tky.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2224-0-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/files/0x00070000000194e5-5.dat	upx
behavioral1/memory/2836-13-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2224-23-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2836-32-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/916-33-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/916-34-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/1720-44-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/1720-45-0x0000000000400000-0x0000000000429000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\iz7vb.log	1tky.exe
File opened for modification	C:\Windows\SysWOW64\iz7vb.log	1tky.exe

Launches sc.exe 8 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2036	sc.exe
2300	sc.exe
584	sc.exe
2384	sc.exe
1964	sc.exe
324	sc.exe
1076	sc.exe
2852	sc.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Internet Explorer\Main	265206b5c880a8624fbf3c4c6e2338c3.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Internet Explorer\Main	1tky.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Internet Explorer\Main	1tky.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Internet Explorer\Main	1tky.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2224	265206b5c880a8624fbf3c4c6e2338c3.exe
2224	265206b5c880a8624fbf3c4c6e2338c3.exe
2224	265206b5c880a8624fbf3c4c6e2338c3.exe
2836	1tky.exe
2836	1tky.exe
2836	1tky.exe
916	1tky.exe
916	1tky.exe
916	1tky.exe
1720	1tky.exe
1720	1tky.exe
1720	1tky.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2196	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	32
PID 2224 wrote to memory of 2196	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	32
PID 2224 wrote to memory of 2196	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	32
PID 2224 wrote to memory of 2196	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	32
PID 2224 wrote to memory of 584	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	33
PID 2224 wrote to memory of 584	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	33
PID 2224 wrote to memory of 584	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	33
PID 2224 wrote to memory of 584	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	33
PID 2224 wrote to memory of 2668	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	35
PID 2224 wrote to memory of 2668	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	35
PID 2224 wrote to memory of 2668	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	35
PID 2224 wrote to memory of 2668	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	35
PID 2224 wrote to memory of 2384	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	36
PID 2224 wrote to memory of 2384	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	36
PID 2224 wrote to memory of 2384	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	36
PID 2224 wrote to memory of 2384	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	36
PID 2224 wrote to memory of 2836	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	39
PID 2224 wrote to memory of 2836	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	39
PID 2224 wrote to memory of 2836	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	39
PID 2224 wrote to memory of 2836	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	39
PID 2224 wrote to memory of 2696	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	42
PID 2224 wrote to memory of 2696	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	42
PID 2224 wrote to memory of 2696	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	42
PID 2224 wrote to memory of 2696	2224	265206b5c880a8624fbf3c4c6e2338c3.exe	42
PID 2668 wrote to memory of 2120	2668	net.exe	41
PID 2668 wrote to memory of 2120	2668	net.exe	41
PID 2668 wrote to memory of 2120	2668	net.exe	41
PID 2668 wrote to memory of 2120	2668	net.exe	41
PID 2196 wrote to memory of 2760	2196	net.exe	43
PID 2196 wrote to memory of 2760	2196	net.exe	43
PID 2196 wrote to memory of 2760	2196	net.exe	43
PID 2196 wrote to memory of 2760	2196	net.exe	43
PID 2836 wrote to memory of 644	2836	1tky.exe	45
PID 2836 wrote to memory of 644	2836	1tky.exe	45
PID 2836 wrote to memory of 644	2836	1tky.exe	45
PID 2836 wrote to memory of 644	2836	1tky.exe	45
PID 2836 wrote to memory of 1964	2836	1tky.exe	46
PID 2836 wrote to memory of 1964	2836	1tky.exe	46
PID 2836 wrote to memory of 1964	2836	1tky.exe	46
PID 2836 wrote to memory of 1964	2836	1tky.exe	46
PID 2836 wrote to memory of 2288	2836	1tky.exe	47
PID 2836 wrote to memory of 2288	2836	1tky.exe	47
PID 2836 wrote to memory of 2288	2836	1tky.exe	47
PID 2836 wrote to memory of 2288	2836	1tky.exe	47
PID 2836 wrote to memory of 324	2836	1tky.exe	48
PID 2836 wrote to memory of 324	2836	1tky.exe	48
PID 2836 wrote to memory of 324	2836	1tky.exe	48
PID 2836 wrote to memory of 324	2836	1tky.exe	48
PID 2836 wrote to memory of 916	2836	1tky.exe	49
PID 2836 wrote to memory of 916	2836	1tky.exe	49
PID 2836 wrote to memory of 916	2836	1tky.exe	49
PID 2836 wrote to memory of 916	2836	1tky.exe	49
PID 644 wrote to memory of 1940	644	net.exe	54
PID 644 wrote to memory of 1940	644	net.exe	54
PID 644 wrote to memory of 1940	644	net.exe	54
PID 644 wrote to memory of 1940	644	net.exe	54
PID 2288 wrote to memory of 2744	2288	net.exe	55
PID 2288 wrote to memory of 2744	2288	net.exe	55
PID 2288 wrote to memory of 2744	2288	net.exe	55
PID 2288 wrote to memory of 2744	2288	net.exe	55
PID 916 wrote to memory of 2544	916	1tky.exe	56
PID 916 wrote to memory of 2544	916	1tky.exe	56
PID 916 wrote to memory of 2544	916	1tky.exe	56
PID 916 wrote to memory of 2544	916	1tky.exe	56

C:\Users\Admin\AppData\Local\Temp\265206b5c880a8624fbf3c4c6e2338c3.exe
"C:\Users\Admin\AppData\Local\Temp\265206b5c880a8624fbf3c4c6e2338c3.exe"
1⤵
- Adds policy Run key to start application
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Security Center"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Security Center"
    3⤵
    PID:2760
- C:\Windows\SysWOW64\sc.exe
  sc config wscsvc start= DISABLED
  2⤵
  - Launches sc.exe
  PID:584
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
    3⤵
    PID:2120
- C:\Windows\SysWOW64\sc.exe
  sc config SharedAccess start= DISABLED
  2⤵
  - Launches sc.exe
  PID:2384
- C:\Users\Admin\AppData\Local\Temp\1tky.exe
  C:\Users\Admin\AppData\Local\Temp\1tky.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\net.exe
    net.exe stop "Security Center"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:644
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Security Center"
      4⤵
      PID:1940
- - C:\Windows\SysWOW64\sc.exe
    sc config wscsvc start= DISABLED
    3⤵
    - Launches sc.exe
    PID:1964
- - C:\Windows\SysWOW64\net.exe
    net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
      4⤵
      PID:2744
- - C:\Windows\SysWOW64\sc.exe
    sc config SharedAccess start= DISABLED
    3⤵
    - Launches sc.exe
    PID:324
- - C:\Users\Admin\AppData\Local\Temp\1tky.exe
    C:\Users\Admin\AppData\Local\Temp\1tky.exe -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
    3⤵
    - Executes dropped EXE
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:916
  - - C:\Windows\SysWOW64\net.exe
      net.exe stop "Security Center"
      4⤵
      PID:2544
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        
        PID:776
  - - C:\Windows\SysWOW64\sc.exe
      sc config wscsvc start= DISABLED
      4⤵
      Launches sc.exe
      PID:2852
  - - C:\Windows\SysWOW64\net.exe
      net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
      4⤵
      PID:2660
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
        5⤵
        
        PID:3032
  - - C:\Windows\SysWOW64\sc.exe
      sc config SharedAccess start= DISABLED
      4⤵
      Launches sc.exe
      PID:1076
- - C:\Users\Admin\AppData\Local\Temp\1tky.exe
    C:\Users\Admin\AppData\Local\Temp\1tky.exe -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
    3⤵
    - Executes dropped EXE
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1720
  - - C:\Windows\SysWOW64\net.exe
      net.exe stop "Security Center"
      4⤵
      PID:888
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        
        PID:1080
  - - C:\Windows\SysWOW64\sc.exe
      sc config wscsvc start= DISABLED
      4⤵
      Launches sc.exe
      PID:2036
  - - C:\Windows\SysWOW64\net.exe
      net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
      4⤵
      PID:2448
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
        5⤵
        
        PID:2932
  - - C:\Windows\SysWOW64\sc.exe
      sc config SharedAccess start= DISABLED
      4⤵
      Launches sc.exe
      PID:2300
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\iaohbksg.bat
  2⤵
  - Deletes itself
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

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Downloads

C:\Users\Admin\AppData\Local\Temp\iaohbksg.bat

Filesize
190B

MD5
a27b761bd657ae1a50136baff475b0b2

SHA1
278827bb0eb5592885d8f235b2530867cfd55794

SHA256
ab9fa0b444224f00965deedc08cb3bbf64b149fe94fd7465182ac792ae62bc53

SHA512
db6997dcecc17be145535a7625c41352cd5a0b4fc34eec3a1e00083b9ec2375925a3ba0f269c7f0225abb3b54096454f2df356cf30ff76d3a72578c33ea70a40

Download Submit
\Users\Admin\AppData\Local\Temp\1tky.exe

Filesize
132KB

MD5
265206b5c880a8624fbf3c4c6e2338c3

SHA1
1aa7b549ee7bd215cd1efe10da57a7aabee8fc40

SHA256
a0c66743d784ba640b1410e9535072074c4a9a6e835499da1d4a59e900dd4503

SHA512
3a2c925c3a1f452a05a9c84c4c49f13298f4351d752d2062e1bbd4f8609024ec7ae181d38a4f13fe1f4138903042f56dd3babf1e53734062bea88809984c7b0e

Download Submit
memory/916-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/916-31-0x0000000003970000-0x00000000049D2000-memory.dmp

Filesize
16.4MB

Download
memory/916-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1720-45-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1720-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-3-0x0000000003AB0000-0x0000000004B12000-memory.dmp

Filesize
16.4MB

Download
memory/2224-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-12-0x00000000027B0000-0x00000000027D9000-memory.dmp

Filesize
164KB

Download
memory/2224-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2836-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2836-43-0x0000000002680000-0x00000000026A9000-memory.dmp

Filesize
164KB

Download
memory/2836-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2836-24-0x0000000003930000-0x0000000004992000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads