23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 01:14

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General

Target

23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe
Size

304KB
MD5

a25b6d786d0c057e39dd4c0a284d6c70
SHA1

ffff5858b85b407e6c16e44cc87d6fb8a264e006
SHA256

23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5
SHA512

68688ef8a15af73348e98427c524a6353e52f42b4e81cbea9b8cbadb2362249634050f528f9c4e73d008bdccc7dd7dceffe6db6c8efe4a59851b66be1ff90e99
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\59400 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msiqvn.exe"	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
1192	skypee.exe
584	skypee.exe
1200	skypee.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/988-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-64-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-67-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/584-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/584-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 3 IoCs

pid	Process
988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe
988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe
988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.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	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.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 1128 set thread context of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 1192 set thread context of 584	1192	skypee.exe	32
PID 1192 set thread context of 1200	1192	skypee.exe	33

Drops file in Program Files directory 1 IoCs

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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Skypee\skypee.exe	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe
File opened for modification	C:\Windows\Skypee\skypee.exe	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.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
1200	skypee.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1200	skypee.exe
1200	skypee.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe
Token: SeDebugPrivilege	584	skypee.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe
988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe
1192	skypee.exe
584	skypee.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 1128 wrote to memory of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 1128 wrote to memory of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 1128 wrote to memory of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 1128 wrote to memory of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 1128 wrote to memory of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 1128 wrote to memory of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 1128 wrote to memory of 988	1128	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	27
PID 988 wrote to memory of 1472	988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	28
PID 988 wrote to memory of 1472	988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	28
PID 988 wrote to memory of 1472	988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	28
PID 988 wrote to memory of 1472	988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	28
PID 1472 wrote to memory of 268	1472	cmd.exe	30
PID 1472 wrote to memory of 268	1472	cmd.exe	30
PID 1472 wrote to memory of 268	1472	cmd.exe	30
PID 1472 wrote to memory of 268	1472	cmd.exe	30
PID 988 wrote to memory of 1192	988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	31
PID 988 wrote to memory of 1192	988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	31
PID 988 wrote to memory of 1192	988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	31
PID 988 wrote to memory of 1192	988	23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe	31
PID 1192 wrote to memory of 584	1192	skypee.exe	32
PID 1192 wrote to memory of 584	1192	skypee.exe	32
PID 1192 wrote to memory of 584	1192	skypee.exe	32
PID 1192 wrote to memory of 584	1192	skypee.exe	32
PID 1192 wrote to memory of 584	1192	skypee.exe	32
PID 1192 wrote to memory of 584	1192	skypee.exe	32
PID 1192 wrote to memory of 584	1192	skypee.exe	32
PID 1192 wrote to memory of 584	1192	skypee.exe	32
PID 1192 wrote to memory of 1200	1192	skypee.exe	33
PID 1192 wrote to memory of 1200	1192	skypee.exe	33
PID 1192 wrote to memory of 1200	1192	skypee.exe	33
PID 1192 wrote to memory of 1200	1192	skypee.exe	33
PID 1192 wrote to memory of 1200	1192	skypee.exe	33
PID 1192 wrote to memory of 1200	1192	skypee.exe	33
PID 1192 wrote to memory of 1200	1192	skypee.exe	33
PID 1200 wrote to memory of 360	1200	skypee.exe	34
PID 1200 wrote to memory of 360	1200	skypee.exe	34
PID 1200 wrote to memory of 360	1200	skypee.exe	34
PID 1200 wrote to memory of 360	1200	skypee.exe	34

C:\Users\Admin\AppData\Local\Temp\23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe
"C:\Users\Admin\AppData\Local\Temp\23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Users\Admin\AppData\Local\Temp\23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe
  "C:\Users\Admin\AppData\Local\Temp\23e89e9708610604571fa9c081070058aaf0303463535d08c37ae38ffe3062f5.exe"
  2⤵
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:988
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\MUITJ.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1472
  - - 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:268
- - 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:1192
  - - 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:584
  - - 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:1200
    - - 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:360

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\MUITJ.bat

Filesize
121B

MD5
6f03830aff31995957052b694b2211a0

SHA1
bc98df25a4accd29643b311c106e1cdcecdec93c

SHA256
7ddb76d54b187f9e03639ee200536062c36abea7f2fb073ca9bccfb5acc55934

SHA512
f02357a8148e3f0c2e3f8f44c317c94450cbda8acd1890369ad91cd1c140089bfbfd6659702f79761e49b8b665f37667d806ccaed416c6de43e1a99d07a69175

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

Filesize
304KB

MD5
5f0803080e28e8b3174cf245194801d5

SHA1
f15aeffb0b81fcf5582e27e157369d88439f2a00

SHA256
a51150d09e2f76ed1a06854aa5e79b958375a21960eb259cc7ccec28e05c7041

SHA512
2407c784c09cbe53bbcdcaf96610a4216cc069a76d88f5a58a639704c4ce6df44d6a8b5e6d1dc2bcd03688cb08b1667b58ae98aecd98098152dcbf3dd6882898

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

Filesize
304KB

MD5
5f0803080e28e8b3174cf245194801d5

SHA1
f15aeffb0b81fcf5582e27e157369d88439f2a00

SHA256
a51150d09e2f76ed1a06854aa5e79b958375a21960eb259cc7ccec28e05c7041

SHA512
2407c784c09cbe53bbcdcaf96610a4216cc069a76d88f5a58a639704c4ce6df44d6a8b5e6d1dc2bcd03688cb08b1667b58ae98aecd98098152dcbf3dd6882898

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

Filesize
304KB

MD5
5f0803080e28e8b3174cf245194801d5

SHA1
f15aeffb0b81fcf5582e27e157369d88439f2a00

SHA256
a51150d09e2f76ed1a06854aa5e79b958375a21960eb259cc7ccec28e05c7041

SHA512
2407c784c09cbe53bbcdcaf96610a4216cc069a76d88f5a58a639704c4ce6df44d6a8b5e6d1dc2bcd03688cb08b1667b58ae98aecd98098152dcbf3dd6882898

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

Filesize
304KB

MD5
5f0803080e28e8b3174cf245194801d5

SHA1
f15aeffb0b81fcf5582e27e157369d88439f2a00

SHA256
a51150d09e2f76ed1a06854aa5e79b958375a21960eb259cc7ccec28e05c7041

SHA512
2407c784c09cbe53bbcdcaf96610a4216cc069a76d88f5a58a639704c4ce6df44d6a8b5e6d1dc2bcd03688cb08b1667b58ae98aecd98098152dcbf3dd6882898

Download Submit
\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
5f0803080e28e8b3174cf245194801d5

SHA1
f15aeffb0b81fcf5582e27e157369d88439f2a00

SHA256
a51150d09e2f76ed1a06854aa5e79b958375a21960eb259cc7ccec28e05c7041

SHA512
2407c784c09cbe53bbcdcaf96610a4216cc069a76d88f5a58a639704c4ce6df44d6a8b5e6d1dc2bcd03688cb08b1667b58ae98aecd98098152dcbf3dd6882898

Download Submit
\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
5f0803080e28e8b3174cf245194801d5

SHA1
f15aeffb0b81fcf5582e27e157369d88439f2a00

SHA256
a51150d09e2f76ed1a06854aa5e79b958375a21960eb259cc7ccec28e05c7041

SHA512
2407c784c09cbe53bbcdcaf96610a4216cc069a76d88f5a58a639704c4ce6df44d6a8b5e6d1dc2bcd03688cb08b1667b58ae98aecd98098152dcbf3dd6882898

Download Submit
\Windows\Skypee\skypee.exe

Filesize
304KB

MD5
5f0803080e28e8b3174cf245194801d5

SHA1
f15aeffb0b81fcf5582e27e157369d88439f2a00

SHA256
a51150d09e2f76ed1a06854aa5e79b958375a21960eb259cc7ccec28e05c7041

SHA512
2407c784c09cbe53bbcdcaf96610a4216cc069a76d88f5a58a639704c4ce6df44d6a8b5e6d1dc2bcd03688cb08b1667b58ae98aecd98098152dcbf3dd6882898

Download Submit
memory/360-104-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/360-103-0x0000000000080000-0x0000000000085000-memory.dmp

Filesize
20KB

Download
memory/360-102-0x0000000000A80000-0x0000000000A88000-memory.dmp

Filesize
32KB

Download
memory/360-107-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/584-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/584-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-68-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/988-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-67-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-91-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1200-99-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1200-87-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1200-88-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download