db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112

Analysis

max time kernel
149s
max time network
140s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
04/10/2022, 03:27

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General

Target

db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
Size

304KB
MD5

6243346379f53a392d5acd5482030fd0
SHA1

ed15e44cb7a37eab059cec35e683f84a1e57b148
SHA256

db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112
SHA512

f991f516c8a5e57e47ccf8f859bff08cd15d88db16021b0446478dcbf06f3da63030d74c1038c7106c0363b31242c95a58570d1e9d735c2f996a30881e8d9657
SSDEEP

3072:ZIDNcIFN3tw4QfwmAOMe6UJbVM/vkA9OQzY6eCFs5Juh2v19hlDcfbEdp7uxEo+i:qJigOTJXYOaFs5Juh819hqkuGh2LeyI

Score

8^/10

evasion persistence trojan upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\48982 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msleohaqw.exe"	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
1940	skypee.exe
1340	skypee.exe
1852	skypee.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1284-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1284-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1284-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1284-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1284-64-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1284-67-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1284-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1340-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1340-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 3 IoCs

pid	Process
1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\skypee = "C:\\Windows\\Skypee\\skypee.exe"	reg.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	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	skypee.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	skypee.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	skypee.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1940 set thread context of 1340	1940	skypee.exe	32
PID 1940 set thread context of 1852	1940	skypee.exe	33

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msleohaqw.exe	svchost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Skypee\skypee.exe	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
File opened for modification	C:\Windows\Skypee\skypee.exe	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
File opened for modification	C:\Windows\Skypee\skypee.exe	svchost.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1852	skypee.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1852	skypee.exe
1852	skypee.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe
Token: SeDebugPrivilege	1340	skypee.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
1940	skypee.exe
1340	skypee.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1720 wrote to memory of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1720 wrote to memory of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1720 wrote to memory of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1720 wrote to memory of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1720 wrote to memory of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1720 wrote to memory of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1720 wrote to memory of 1284	1720	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	27
PID 1284 wrote to memory of 808	1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	28
PID 1284 wrote to memory of 808	1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	28
PID 1284 wrote to memory of 808	1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	28
PID 1284 wrote to memory of 808	1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	28
PID 808 wrote to memory of 1756	808	cmd.exe	30
PID 808 wrote to memory of 1756	808	cmd.exe	30
PID 808 wrote to memory of 1756	808	cmd.exe	30
PID 808 wrote to memory of 1756	808	cmd.exe	30
PID 1284 wrote to memory of 1940	1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	31
PID 1284 wrote to memory of 1940	1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	31
PID 1284 wrote to memory of 1940	1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	31
PID 1284 wrote to memory of 1940	1284	db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe	31
PID 1940 wrote to memory of 1340	1940	skypee.exe	32
PID 1940 wrote to memory of 1340	1940	skypee.exe	32
PID 1940 wrote to memory of 1340	1940	skypee.exe	32
PID 1940 wrote to memory of 1340	1940	skypee.exe	32
PID 1940 wrote to memory of 1340	1940	skypee.exe	32
PID 1940 wrote to memory of 1340	1940	skypee.exe	32
PID 1940 wrote to memory of 1340	1940	skypee.exe	32
PID 1940 wrote to memory of 1340	1940	skypee.exe	32
PID 1940 wrote to memory of 1852	1940	skypee.exe	33
PID 1940 wrote to memory of 1852	1940	skypee.exe	33
PID 1940 wrote to memory of 1852	1940	skypee.exe	33
PID 1940 wrote to memory of 1852	1940	skypee.exe	33
PID 1940 wrote to memory of 1852	1940	skypee.exe	33
PID 1940 wrote to memory of 1852	1940	skypee.exe	33
PID 1940 wrote to memory of 1852	1940	skypee.exe	33
PID 1852 wrote to memory of 1848	1852	skypee.exe	34
PID 1852 wrote to memory of 1848	1852	skypee.exe	34
PID 1852 wrote to memory of 1848	1852	skypee.exe	34
PID 1852 wrote to memory of 1848	1852	skypee.exe	34

C:\Users\Admin\AppData\Local\Temp\db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
"C:\Users\Admin\AppData\Local\Temp\db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe
  "C:\Users\Admin\AppData\Local\Temp\db788bb84a5a2093a2d08bb62af87616f41b9074a18e4892b1c6a3208ea42112.exe"
  2⤵
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1284
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\LYKSK.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:808
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "skypee" /t REG_SZ /d "C:\Windows\Skypee\skypee.exe" /f
      4⤵
      Adds Run key to start application
      PID:1756
- - C:\Windows\Skypee\skypee.exe
    "C:\Windows\Skypee\skypee.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1940
  - - C:\Windows\Skypee\skypee.exe
      "C:\Windows\Skypee\skypee.exe"
      4⤵
      Executes dropped EXE
      Checks whether UAC is enabled
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1340
  - - C:\Windows\Skypee\skypee.exe
      "C:\Windows\Skypee\skypee.exe"
      4⤵
      Executes dropped EXE
      Maps connected drives based on registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:1852
    - - C:\Windows\syswow64\svchost.exe
        
        C:\Windows\syswow64\svchost.exe
        5⤵
        Adds policy Run key to start application
        Drops file in Program Files directory
        Drops file in Windows directory
        
        PID:1848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
121B

MD5
6f03830aff31995957052b694b2211a0

SHA1
bc98df25a4accd29643b311c106e1cdcecdec93c

SHA256
7ddb76d54b187f9e03639ee200536062c36abea7f2fb073ca9bccfb5acc55934

SHA512
f02357a8148e3f0c2e3f8f44c317c94450cbda8acd1890369ad91cd1c140089bfbfd6659702f79761e49b8b665f37667d806ccaed416c6de43e1a99d07a69175

Download Submit
C:\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
cb80478784be8b4ea3cb8049337b7202

SHA1
0f68f1bb82ac7a0e030be0ac2408b100a539b12a

SHA256
1d8eeb59203fa58a6455198391be0c475e7ba2307f9b5f6d810774ad84b69eca

SHA512
de34b0d94cf772ffe057ed86aaeb377f203e300df2bdf3bccb8794d9b9b57ebb2d94440bfd8d2accebb326f5183b31fe76bdc75aeb83127a5fcd2bbda4394c64

Download Submit
C:\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
cb80478784be8b4ea3cb8049337b7202

SHA1
0f68f1bb82ac7a0e030be0ac2408b100a539b12a

SHA256
1d8eeb59203fa58a6455198391be0c475e7ba2307f9b5f6d810774ad84b69eca

SHA512
de34b0d94cf772ffe057ed86aaeb377f203e300df2bdf3bccb8794d9b9b57ebb2d94440bfd8d2accebb326f5183b31fe76bdc75aeb83127a5fcd2bbda4394c64

Download Submit
C:\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
cb80478784be8b4ea3cb8049337b7202

SHA1
0f68f1bb82ac7a0e030be0ac2408b100a539b12a

SHA256
1d8eeb59203fa58a6455198391be0c475e7ba2307f9b5f6d810774ad84b69eca

SHA512
de34b0d94cf772ffe057ed86aaeb377f203e300df2bdf3bccb8794d9b9b57ebb2d94440bfd8d2accebb326f5183b31fe76bdc75aeb83127a5fcd2bbda4394c64

Download Submit
C:\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
cb80478784be8b4ea3cb8049337b7202

SHA1
0f68f1bb82ac7a0e030be0ac2408b100a539b12a

SHA256
1d8eeb59203fa58a6455198391be0c475e7ba2307f9b5f6d810774ad84b69eca

SHA512
de34b0d94cf772ffe057ed86aaeb377f203e300df2bdf3bccb8794d9b9b57ebb2d94440bfd8d2accebb326f5183b31fe76bdc75aeb83127a5fcd2bbda4394c64

Download Submit
\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
cb80478784be8b4ea3cb8049337b7202

SHA1
0f68f1bb82ac7a0e030be0ac2408b100a539b12a

SHA256
1d8eeb59203fa58a6455198391be0c475e7ba2307f9b5f6d810774ad84b69eca

SHA512
de34b0d94cf772ffe057ed86aaeb377f203e300df2bdf3bccb8794d9b9b57ebb2d94440bfd8d2accebb326f5183b31fe76bdc75aeb83127a5fcd2bbda4394c64

Download Submit
\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
cb80478784be8b4ea3cb8049337b7202

SHA1
0f68f1bb82ac7a0e030be0ac2408b100a539b12a

SHA256
1d8eeb59203fa58a6455198391be0c475e7ba2307f9b5f6d810774ad84b69eca

SHA512
de34b0d94cf772ffe057ed86aaeb377f203e300df2bdf3bccb8794d9b9b57ebb2d94440bfd8d2accebb326f5183b31fe76bdc75aeb83127a5fcd2bbda4394c64

Download Submit
\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
cb80478784be8b4ea3cb8049337b7202

SHA1
0f68f1bb82ac7a0e030be0ac2408b100a539b12a

SHA256
1d8eeb59203fa58a6455198391be0c475e7ba2307f9b5f6d810774ad84b69eca

SHA512
de34b0d94cf772ffe057ed86aaeb377f203e300df2bdf3bccb8794d9b9b57ebb2d94440bfd8d2accebb326f5183b31fe76bdc75aeb83127a5fcd2bbda4394c64

Download Submit
memory/1284-68-0x00000000765B1000-0x00000000765B3000-memory.dmp

Filesize
8KB

Download
memory/1284-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1284-67-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1284-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1284-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1284-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1284-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1284-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1284-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1340-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1340-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1848-103-0x0000000000080000-0x0000000000085000-memory.dmp

Filesize
20KB

Download
memory/1848-102-0x00000000005F0000-0x00000000005F8000-memory.dmp

Filesize
32KB

Download
memory/1848-104-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/1848-107-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/1852-93-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1852-99-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1852-86-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

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memory/1852-88-0x0000000000400000-0x0000000000405000-memory.dmp

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20KB

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