0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 19:28

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General

Target

0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
Size

392KB
MD5

4cc1288cb5094f022eeb91ef81502217
SHA1

47bdd13fed403207810cc2ba8064f232603cd6f1
SHA256

0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698
SHA512

20ebc2a03163b39830981b569d9233aa9340b421b5bb690e14acd9ee8302a7540b2b2e75b0c4ebe4630d044c21098be9e91b4f089525fae747fc7ec7ce8bb10d
SSDEEP

3072:V+ESQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:DPA6wxmuJspr2lb6

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\35326 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msuxwu.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
170932	skyrpe.exe
129380	skyrpe.exe
129440	skyrpe.exe

Loads dropped DLL 5 IoCs

pid	Process
170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.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-1-5-21-312935884-697965778-3955649944-1000\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 2108 set thread context of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 170932 set thread context of 129380	170932	skyrpe.exe	36
PID 170932 set thread context of 129440	170932	skyrpe.exe	37

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2108-0-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2108-223-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/170500-53500-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2108-53493-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/170500-53490-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/170500-53489-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/170500-53488-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/170500-53485-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/170500-53483-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000167ea-53521.dat	upx
behavioral1/memory/170500-53523-0x0000000003370000-0x00000000033D2000-memory.dmp	upx
behavioral1/memory/170932-53540-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/170500-53693-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/170932-53698-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/170932-106984-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/170500-106988-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/129380-106998-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msuxwu.exe	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
129440	skyrpe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
129440	skyrpe.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe
Token: SeDebugPrivilege	129380	skyrpe.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
170932	skyrpe.exe
129380	skyrpe.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 2108 wrote to memory of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 2108 wrote to memory of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 2108 wrote to memory of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 2108 wrote to memory of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 2108 wrote to memory of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 2108 wrote to memory of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 2108 wrote to memory of 170500	2108	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	31
PID 170500 wrote to memory of 170816	170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	32
PID 170500 wrote to memory of 170816	170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	32
PID 170500 wrote to memory of 170816	170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	32
PID 170500 wrote to memory of 170816	170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	32
PID 170816 wrote to memory of 170904	170816	cmd.exe	34
PID 170816 wrote to memory of 170904	170816	cmd.exe	34
PID 170816 wrote to memory of 170904	170816	cmd.exe	34
PID 170816 wrote to memory of 170904	170816	cmd.exe	34
PID 170500 wrote to memory of 170932	170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	35
PID 170500 wrote to memory of 170932	170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	35
PID 170500 wrote to memory of 170932	170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	35
PID 170500 wrote to memory of 170932	170500	0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe	35
PID 170932 wrote to memory of 129380	170932	skyrpe.exe	36
PID 170932 wrote to memory of 129380	170932	skyrpe.exe	36
PID 170932 wrote to memory of 129380	170932	skyrpe.exe	36
PID 170932 wrote to memory of 129380	170932	skyrpe.exe	36
PID 170932 wrote to memory of 129380	170932	skyrpe.exe	36
PID 170932 wrote to memory of 129380	170932	skyrpe.exe	36
PID 170932 wrote to memory of 129380	170932	skyrpe.exe	36
PID 170932 wrote to memory of 129380	170932	skyrpe.exe	36
PID 170932 wrote to memory of 129440	170932	skyrpe.exe	37
PID 170932 wrote to memory of 129440	170932	skyrpe.exe	37
PID 170932 wrote to memory of 129440	170932	skyrpe.exe	37
PID 170932 wrote to memory of 129440	170932	skyrpe.exe	37
PID 170932 wrote to memory of 129440	170932	skyrpe.exe	37
PID 170932 wrote to memory of 129440	170932	skyrpe.exe	37
PID 170932 wrote to memory of 129440	170932	skyrpe.exe	37
PID 129440 wrote to memory of 129480	129440	skyrpe.exe	38
PID 129440 wrote to memory of 129480	129440	skyrpe.exe	38
PID 129440 wrote to memory of 129480	129440	skyrpe.exe	38
PID 129440 wrote to memory of 129480	129440	skyrpe.exe	38

C:\Users\Admin\AppData\Local\Temp\0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
"C:\Users\Admin\AppData\Local\Temp\0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe
  "C:\Users\Admin\AppData\Local\Temp\0914ed60be68222162dab16aac6c7dfd61045bd6b85cd233e9a6df5e1eb46698.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:170500
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GRWSG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:170816
  - - 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:170904
- - 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:170932
  - - 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:129380
  - - 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:129440
    - - 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:129480

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\GRWSG.bat

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

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

Filesize
392KB

MD5
92ad64b93391ad25a81729eb0578726a

SHA1
08566f729dfd1ee708ea5c186cd01b75f7185f99

SHA256
93b286bface199a3ce74f404c5c80505dca87252c7e815895edf221672ffe022

SHA512
1db9ea0d4b8593f8663ecbb8827b0cb1acb86160ad721befe4a6ddd926beafcb38556a7e43a850cd79e705c94b3404f94c7448dfd388504d97ec83a69bac79c0

Download Submit
memory/2108-12631-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12653-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12643-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12651-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12640-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12630-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-53493-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2108-12644-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-90-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2108-3-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2108-12629-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2108-12642-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12641-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-223-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2108-12656-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12658-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12655-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12654-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12657-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12652-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12650-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12649-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12648-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12647-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12646-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2108-12645-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/129380-106998-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/129440-106982-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/170500-53485-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170500-53537-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-53483-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170500-53487-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/170500-53488-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170500-53489-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170500-53523-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-53538-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-53541-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-53500-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170500-53539-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-53481-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170500-53693-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170500-53695-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-53696-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-53697-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-106988-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170500-53699-0x0000000003370000-0x00000000033D2000-memory.dmp

Filesize
392KB

Download
memory/170500-53490-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/170932-106984-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/170932-53698-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/170932-53540-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download