7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201b

Analysis

max time kernel
118s
max time network
33s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 12:31

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General

Target

7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
Size

102KB
MD5

b99fd966a29774fec7076fa33ec19100
SHA1

d15f8f6e68befb5d76ea73d489b2dfd6f3cf1ac3
SHA256

7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201b
SHA512

b98d84fc128414ac912fe03fd594136a1874728f02814fa32e300a8c11907144d50e24facb3927af319629c3b68ae55671a0deae1b6845a119731301cb7b611d
SSDEEP

3072:xFphTfm1UC7AdYzrV+Dljy/32ubwZZqJ:FhTfmuCkdYzrVolu/J0ZZ

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3404	WindowsService.exe
836	WindowsService.exe
3100	WindowsService.exe

Loads dropped DLL 5 IoCs

pid	Process
3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\sidebar = "C:\\Users\\Admin\\AppData\\Roaming\\SystemWindows\\WindowsService.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 3404 set thread context of 836	3404	WindowsService.exe	35
PID 3404 set thread context of 3100	3404	WindowsService.exe	36

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2432-0-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2432-25-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2432-80-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2432-164-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2432-121-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2432-78-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/3164-447-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2432-450-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/files/0x002b000000015cca-475.dat	upx
behavioral1/memory/3164-477-0x0000000003200000-0x000000000323B000-memory.dmp	upx
behavioral1/memory/3164-494-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3164-496-0x0000000003200000-0x000000000323B000-memory.dmp	upx
behavioral1/memory/3404-1014-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/3164-1047-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3404-1044-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/836-1050-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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 7 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	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.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	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe
Token: SeDebugPrivilege	836	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
3404	WindowsService.exe
836	WindowsService.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 2432 wrote to memory of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 2432 wrote to memory of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 2432 wrote to memory of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 2432 wrote to memory of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 2432 wrote to memory of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 2432 wrote to memory of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 2432 wrote to memory of 3164	2432	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	30
PID 3164 wrote to memory of 3328	3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	31
PID 3164 wrote to memory of 3328	3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	31
PID 3164 wrote to memory of 3328	3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	31
PID 3164 wrote to memory of 3328	3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	31
PID 3328 wrote to memory of 3380	3328	cmd.exe	33
PID 3328 wrote to memory of 3380	3328	cmd.exe	33
PID 3328 wrote to memory of 3380	3328	cmd.exe	33
PID 3328 wrote to memory of 3380	3328	cmd.exe	33
PID 3164 wrote to memory of 3404	3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	34
PID 3164 wrote to memory of 3404	3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	34
PID 3164 wrote to memory of 3404	3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	34
PID 3164 wrote to memory of 3404	3164	7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe	34
PID 3404 wrote to memory of 836	3404	WindowsService.exe	35
PID 3404 wrote to memory of 836	3404	WindowsService.exe	35
PID 3404 wrote to memory of 836	3404	WindowsService.exe	35
PID 3404 wrote to memory of 836	3404	WindowsService.exe	35
PID 3404 wrote to memory of 836	3404	WindowsService.exe	35
PID 3404 wrote to memory of 836	3404	WindowsService.exe	35
PID 3404 wrote to memory of 836	3404	WindowsService.exe	35
PID 3404 wrote to memory of 836	3404	WindowsService.exe	35
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36
PID 3404 wrote to memory of 3100	3404	WindowsService.exe	36

C:\Users\Admin\AppData\Local\Temp\7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
"C:\Users\Admin\AppData\Local\Temp\7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe
  "C:\Users\Admin\AppData\Local\Temp\7dfd9e721fb55f610e6465d61f50daa5172a00253482cd7717bab52ccf8e201bN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3164
- - 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:3328
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "sidebar" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:3380
- - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
    "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3404
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:836
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3100

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

Download Submit
\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe

Filesize
102KB

MD5
7fb721769412eb50649e4c343fbb348b

SHA1
4cd2dc6cbc6cb107479158aa780e0c9630e9becd

SHA256
9e52268756ceef104d91404fe4b2939798d7bdd2abf20de7b174a4ad9bc6277e

SHA512
0166dfe17654b62f0e50bcd1193fbb667e1f334c5d21c6f8c4f434dbfcd5240cc13af21634cb7c6874d59661245f46125f8137969e74aedc93694a98056f25c7

Download Submit
memory/836-1050-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2432-121-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2432-164-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2432-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2432-79-0x0000000000408000-0x0000000000409000-memory.dmp

Filesize
4KB

Download
memory/2432-78-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2432-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2432-450-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2432-80-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2432-25-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3164-477-0x0000000003200000-0x000000000323B000-memory.dmp

Filesize
236KB

Download
memory/3164-490-0x0000000003200000-0x000000000323B000-memory.dmp

Filesize
236KB

Download
memory/3164-494-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3164-496-0x0000000003200000-0x000000000323B000-memory.dmp

Filesize
236KB

Download
memory/3164-495-0x0000000003200000-0x000000000323B000-memory.dmp

Filesize
236KB

Download
memory/3164-1047-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3164-447-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3404-1014-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3404-1044-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads