58e30f939535c1c2d65fbab197f4a6816931522b8513d8261154eb86f6e28579

Analysis

max time kernel
303s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 13:09

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General

Target

6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe
Size

1.6MB
MD5

d644eb3560601aa504917b281306a350
SHA1

b43554ea4fa8eed7a9d36e4172546487b627a45d
SHA256

6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8
SHA512

c9a2100bd23d583d63c5fd37251b81407036f422d5cdcf2386419d78eaf25fbf2fa7bc6d34ef33f2b427ead5004ce92da9184a70d5c202d2dcb12571b403fc46
SSDEEP

24576:9CfBXFlrGTi+VIeTZBClhojLEObk5HW3x0Ea0R5fVAM8lP8bCtkQtdMVW30Qx8fZ:IJvGTiRl2U+kHa31LfVAMd7BW+AamO

Score

6^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

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\SystemApps = "C:\\Users\\Admin\\SystemApps\\AppSrv.exe"	reg.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2268	cmd.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral16/memory/2128-0-0x0000000000400000-0x000000000086F000-memory.dmp	upx
behavioral16/memory/2128-3-0x0000000000400000-0x000000000086F000-memory.dmp	upx

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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1740	reg.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
328	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	328	taskmgr.exe

Suspicious use of FindShellTrayWindow 19 IoCs

pid	Process
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe

Suspicious use of SendNotifyMessage 19 IoCs

pid	Process
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe
328	taskmgr.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2248	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	31
PID 2128 wrote to memory of 2248	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	31
PID 2128 wrote to memory of 2248	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	31
PID 2128 wrote to memory of 2248	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	31
PID 2128 wrote to memory of 3012	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	33
PID 2128 wrote to memory of 3012	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	33
PID 2128 wrote to memory of 3012	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	33
PID 2128 wrote to memory of 3012	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	33
PID 2128 wrote to memory of 2268	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	35
PID 2128 wrote to memory of 2268	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	35
PID 2128 wrote to memory of 2268	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	35
PID 2128 wrote to memory of 2268	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	35
PID 2268 wrote to memory of 2952	2268	cmd.exe	37
PID 2268 wrote to memory of 2952	2268	cmd.exe	37
PID 2268 wrote to memory of 2952	2268	cmd.exe	37
PID 2268 wrote to memory of 2952	2268	cmd.exe	37
PID 2128 wrote to memory of 2956	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	38
PID 2128 wrote to memory of 2956	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	38
PID 2128 wrote to memory of 2956	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	38
PID 2128 wrote to memory of 2956	2128	6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe	38
PID 2956 wrote to memory of 1740	2956	cmd.exe	40
PID 2956 wrote to memory of 1740	2956	cmd.exe	40
PID 2956 wrote to memory of 1740	2956	cmd.exe	40
PID 2956 wrote to memory of 1740	2956	cmd.exe	40

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2952	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe
"C:\Users\Admin\AppData\Local\Temp\6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "mkdir %userprofile%\SystemApps"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "copy C:\Users\Admin\AppData\Local\Temp\6dfb9490b10f90cfb5c0b7f2db24bc0eb3924664540ac24d5a1b32a4614078f8.exe %userprofile%\SystemApps\AppSrv.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3012
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "attrib +H %userprofile%\SystemApps"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SysWOW64\attrib.exe
    attrib +H C:\Users\Admin\SystemApps
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2952
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /V SystemApps /t REG_SZ /F /D %userprofile%\SystemApps\AppSrv.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /V SystemApps /t REG_SZ /F /D C:\Users\Admin\SystemApps\AppSrv.exe
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:1740

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:328

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/328-4-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/328-5-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2128-0-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2128-3-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download