18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 20:44

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General

Target

18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
Size

392KB
MD5

fbee6df60b79a735f87f635495ba2e20
SHA1

629335c82af12a5b76ae08c2f604638723edbf66
SHA256

18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27
SHA512

6ce8d1f97ee5e4e5620e2a4a4829765895937de29fabec5db5aafff9d54fc8f44fec24122dd42daef271311cc82556275e70ccacca99838484da8573b75eeac2
SSDEEP

3072:V+ESQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2X:DPA6wxmuJspr2lb6m

Score

8^/10

discovery persistence upx

Malware Config

Signatures

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	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\49313 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mshqgmb.com"	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
4148	skyrpe.exe
177960	skyrpe.exe
178052	skyrpe.exe

Loads dropped DLL 5 IoCs

pid	Process
3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.exe"	reg.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	skyrpe.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	skyrpe.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 4148 set thread context of 177960	4148	skyrpe.exe	36
PID 4148 set thread context of 178052	4148	skyrpe.exe	37

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-0-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2528-223-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/3980-53492-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3980-53493-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-53491-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/3980-53490-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3980-53486-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3980-53484-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0009000000016cec-53537.dat	upx
behavioral1/memory/3980-53533-0x0000000003160000-0x00000000031C2000-memory.dmp	upx
behavioral1/memory/3980-53689-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/4148-53696-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/4148-106980-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/3980-106985-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/177960-106997-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

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

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skyrpe.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
178052	skyrpe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
178052	skyrpe.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe
Token: SeDebugPrivilege	177960	skyrpe.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
4148	skyrpe.exe
177960	skyrpe.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 2528 wrote to memory of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 2528 wrote to memory of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 2528 wrote to memory of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 2528 wrote to memory of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 2528 wrote to memory of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 2528 wrote to memory of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 2528 wrote to memory of 3980	2528	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	31
PID 3980 wrote to memory of 4012	3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	32
PID 3980 wrote to memory of 4012	3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	32
PID 3980 wrote to memory of 4012	3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	32
PID 3980 wrote to memory of 4012	3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	32
PID 4012 wrote to memory of 4120	4012	cmd.exe	34
PID 4012 wrote to memory of 4120	4012	cmd.exe	34
PID 4012 wrote to memory of 4120	4012	cmd.exe	34
PID 4012 wrote to memory of 4120	4012	cmd.exe	34
PID 3980 wrote to memory of 4148	3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	35
PID 3980 wrote to memory of 4148	3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	35
PID 3980 wrote to memory of 4148	3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	35
PID 3980 wrote to memory of 4148	3980	18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe	35
PID 4148 wrote to memory of 177960	4148	skyrpe.exe	36
PID 4148 wrote to memory of 177960	4148	skyrpe.exe	36
PID 4148 wrote to memory of 177960	4148	skyrpe.exe	36
PID 4148 wrote to memory of 177960	4148	skyrpe.exe	36
PID 4148 wrote to memory of 177960	4148	skyrpe.exe	36
PID 4148 wrote to memory of 177960	4148	skyrpe.exe	36
PID 4148 wrote to memory of 177960	4148	skyrpe.exe	36
PID 4148 wrote to memory of 177960	4148	skyrpe.exe	36
PID 4148 wrote to memory of 178052	4148	skyrpe.exe	37
PID 4148 wrote to memory of 178052	4148	skyrpe.exe	37
PID 4148 wrote to memory of 178052	4148	skyrpe.exe	37
PID 4148 wrote to memory of 178052	4148	skyrpe.exe	37
PID 4148 wrote to memory of 178052	4148	skyrpe.exe	37
PID 4148 wrote to memory of 178052	4148	skyrpe.exe	37
PID 4148 wrote to memory of 178052	4148	skyrpe.exe	37
PID 178052 wrote to memory of 178108	178052	skyrpe.exe	38
PID 178052 wrote to memory of 178108	178052	skyrpe.exe	38
PID 178052 wrote to memory of 178108	178052	skyrpe.exe	38
PID 178052 wrote to memory of 178108	178052	skyrpe.exe	38

C:\Users\Admin\AppData\Local\Temp\18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
"C:\Users\Admin\AppData\Local\Temp\18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe
  "C:\Users\Admin\AppData\Local\Temp\18e0a2ef9b2e3ba3e1ad3100046fb18e0f0f1003255320a7be701bd84e7ebd27.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\JYWFG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4012
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:4120
- - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
    "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4148
  - - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
      "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:177960
  - - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
      "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
      4⤵
      Executes dropped EXE
      Maps connected drives based on registry
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:178052
    - - C:\Windows\syswow64\svchost.exe
        
        C:\Windows\syswow64\svchost.exe
        5⤵
        Adds policy Run key to start application
        Drops file in Program Files directory
        System Location Discovery: System Language Discovery
        
        PID:178108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

Download Submit
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

Filesize
392KB

MD5
8c86ff3f694dbe035905b089570c2ef1

SHA1
f88924d60d16233c56cb4297ca00fffde05b3044

SHA256
d6a99713b5e0df424bdca3a20271ea17156fc7b7a6bfd4e9ab161015664044a9

SHA512
8211ae54f685277b61240bc996bde96a84402c32b4d4ca07261628d3f99dfcbb24cced44421f74c0eb9e1a765479c47ea0c851a9eb42f62de485a05ccf1ab8ff

Download Submit
memory/2528-53481-0x00000000026E0000-0x0000000002742000-memory.dmp

Filesize
392KB

Download
memory/2528-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2528-60-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2528-223-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2528-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2528-53491-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3980-53535-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53532-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53484-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3980-53482-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3980-53488-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3980-53490-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3980-53536-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53493-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3980-53492-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3980-53534-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53533-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53486-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3980-53689-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3980-53690-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53694-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53693-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53692-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-53691-0x0000000003160000-0x00000000031C2000-memory.dmp

Filesize
392KB

Download
memory/3980-106985-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4148-106980-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4148-53696-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/177960-106997-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/178052-106977-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/178052-106988-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download