7daf04a3498c969f55cdf52265f30764ca08e53f469ad6de61bbd6f208b0fbf9

Analysis

max time kernel
148s
max time network
140s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/09/2026, 13:26

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General

Target
2026-09-21_4bbd399d501e12070e49699cc5fabcfa_cobalt-strike_icedid_njrat_satacom_vidar.exe
Size 256KB
Sample260922-qph4qstyey
SHA256 7daf04a3498c969f55cdf52265f30764ca08e53f469ad6de61bbd6f208b0fbf9
MD5 4bbd399d501e12070e49699cc5fabcfa
SHA1 0cee434260958cd3b2a7f71e41b7a4b3d7cdbd0b
SHA512 5e528b4222e58d3bd0486b30450cc79505f50d9b35d75e0fe7a5e5bbd42b9a7b26a0857f054a9e61b9a2dbb0f2ecdb9f27020205c26032db63ee4b4786f344cb
SSDEEP 6144:rrMDZe1lXAIAi+V6JGFflSUKnQrzLGtaF:rg87wi+1Fffr
TLSH
T1B7445B56B3A508FAED77823C88531A06E77278120B21CBAF0764477A5F277D09D3EB61
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

adware persistence spyware

Malware Config

Signatures

Detects Reflective DLL injection artifacts 1 IoCs

resource	yara_rule
behavioral2/memory/700-1-0x0000000000F20000-0x0000000000F48000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Executes dropped EXE 3 IoCs

pid	Process
4892	syshost.exe
3332	syshost.exe
3580	msedgeupdateulk.exe

Adds 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\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\Syshost = "\"C:\\Users\\Admin\\AppData\\Roaming\\syshost.exe\""	2026-09-21_4bbd399d501e12070e49699cc5fabcfa_cobalt-strike_icedid_njrat_satacom_vidar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdateSvc = "C:\\Users\\Admin\\AppData\\Roaming\\msedgeupdateulk.exe"	explorer.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	explorer.exe
File opened for modification	C:\Users\Public\desktop.ini	explorer.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	explorer.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 17 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\NotificationData	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5488	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4892	syshost.exe
4892	syshost.exe
3332	syshost.exe
3332	syshost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
700	explorer.exe
5488	explorer.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	syshost.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeDebugPrivilege	3332	syshost.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe
Token: SeShutdownPrivilege	700	explorer.exe
Token: SeCreatePagefilePrivilege	700	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5488	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5488	explorer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 4892	4616	2026-09-21_4bbd399d501e12070e49699cc5fabcfa_cobalt-strike_icedid_njrat_satacom_vidar.exe	89
PID 4892 wrote to memory of 700	4892	syshost.exe	82
PID 700 wrote to memory of 4716	700	explorer.exe
PID 700 wrote to memory of 4732	700	explorer.exe
PID 3332 wrote to memory of 700	3332	syshost.exe	82

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:700
- C:\Users\Admin\AppData\Local\Temp\2026-09-21_4bbd399d501e12070e49699cc5fabcfa_cobalt-strike_icedid_njrat_satacom_vidar.exe
  "C:\Users\Admin\AppData\Local\Temp\2026-09-21_4bbd399d501e12070e49699cc5fabcfa_cobalt-strike_icedid_njrat_satacom_vidar.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Users\Admin\AppData\Roaming\syshost.exe
    C:\Users\Admin\AppData\Roaming\syshost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4892

C:\Users\Admin\AppData\Roaming\syshost.exe
"C:\Users\Admin\AppData\Roaming\syshost.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332

C:\Users\Admin\AppData\Roaming\msedgeupdateulk.exe
C:\Users\Admin\AppData\Roaming\msedgeupdateulk.exe
1⤵
- Executes dropped EXE
PID:3580

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Drops desktop.ini file(s)
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:5488

Network

MITRE ATT&CK Enterprise v16

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

msedgeupdateulk.exe

Path C:\Users\Admin\AppData\Roaming\msedgeupdateulk.exe
Size 2.7MB
SHA256 75a58fed6d38498775ec288ff7da54209c47cea2625f7eaedf15ef2d0e6c1add
MD5 38c5baa5bb4685a66f7b661b17ba53d7
SHA1 8ac453ad7bbe88d8b779ee7b5cd7a7b44dac115f
SHA512 b69d6cd01b2f07babe5e45ed30bf208701e909812ccab35abd7eedbbee9d3f957c7facdc8ba2d86980a98f9f1623f36f0376374f56e67a2ebe1aa5276f2b4bf2
SSDEEP 49152:OGwY2N3ZkD80rbU1CbyrOwGlxEs5Itbw8A7/eFwz:OcuGlGtbw8a0E
TLSH
T1F5D59D1D27E840C4D1BA803CC9468B27E9713C251731A6DB0660FA7D6F33AE59A7EF52
MD5 SHA1 SHA512 SSDEEP TLSH

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syshost.exe

Path C:\Users\Admin\AppData\Roaming\syshost.exe
Size 256KB
SHA256 7daf04a3498c969f55cdf52265f30764ca08e53f469ad6de61bbd6f208b0fbf9
MD5 4bbd399d501e12070e49699cc5fabcfa
SHA1 0cee434260958cd3b2a7f71e41b7a4b3d7cdbd0b
SHA512 5e528b4222e58d3bd0486b30450cc79505f50d9b35d75e0fe7a5e5bbd42b9a7b26a0857f054a9e61b9a2dbb0f2ecdb9f27020205c26032db63ee4b4786f344cb
SSDEEP 6144:rrMDZe1lXAIAi+V6JGFflSUKnQrzLGtaF:rg87wi+1Fffr
TLSH
T1B7445B56B3A508FAED77823C88531A06E77278120B21CBAF0764477A5F277D09D3EB61
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/700-1-0x0000000000F20000-0x0000000000F48000-memory.dmp

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memory/700-4-0x0000000000F50000-0x0000000000F7D000-memory.dmp

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memory/700-2-0x0000000000F50000-0x0000000000F7D000-memory.dmp

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memory/700-5-0x0000000003010000-0x0000000003011000-memory.dmp

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memory/700-6-0x0000000003020000-0x0000000003021000-memory.dmp

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memory/700-12-0x0000000005F00000-0x0000000005F2D000-memory.dmp

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memory/700-9-0x0000000005F00000-0x0000000005F2D000-memory.dmp

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