238317018f3c43e2a4bba5e1c5de7c0a8461444affafa3530985be6769d40aa9

Analysis

max time kernel
93s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 02:35

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General

Target

7bebfc732b2fd9295c93a1a843d02043.exe
Size

168KB
MD5

7bebfc732b2fd9295c93a1a843d02043
SHA1

19a1a0cfabef55d3362b8c82e8f36482c477fea2
SHA256

238317018f3c43e2a4bba5e1c5de7c0a8461444affafa3530985be6769d40aa9
SHA512

81763dd29dc62ac8116167963d0e12baf4a4d69d44c43745174663a1458ecaf703291f71fc5bb476f2917d04c4264bfc818d26eef4d671983259cebe8301b0f2
SSDEEP

3072:Jym3I7VpdizShu3NRYEEaH1qwRKWoV7pOBJ/ttHMb9CdZ/bux:H3epdizuu3NRbEaHXrq7kJlub9wyx

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2388	Nsnbno.exe
4856	Nsnbno.exe
4756	Nsnbno.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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nsnbno = "C:\\Users\\Admin\\AppData\\Roaming\\Nsnbno.exe"	7bebfc732b2fd9295c93a1a843d02043.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2428 set thread context of 2752	2428	7bebfc732b2fd9295c93a1a843d02043.exe	86
PID 2752 set thread context of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2388 set thread context of 4856	2388	Nsnbno.exe	97
PID 4856 set thread context of 4756	4856	Nsnbno.exe	98

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31084946"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084946"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3635200359"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3635200359"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413174353"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{044596BC-BD86-11EE-A0B6-DAD4CCDE76B8} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084946"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3637699839"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2896	7bebfc732b2fd9295c93a1a843d02043.exe
2896	7bebfc732b2fd9295c93a1a843d02043.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	Nsnbno.exe
Token: SeDebugPrivilege	3040	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1456	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2428	7bebfc732b2fd9295c93a1a843d02043.exe
2388	Nsnbno.exe
1456	IEXPLORE.EXE
1456	IEXPLORE.EXE
3040	IEXPLORE.EXE
3040	IEXPLORE.EXE
3040	IEXPLORE.EXE
3040	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2752	2428	7bebfc732b2fd9295c93a1a843d02043.exe	86
PID 2428 wrote to memory of 2752	2428	7bebfc732b2fd9295c93a1a843d02043.exe	86
PID 2428 wrote to memory of 2752	2428	7bebfc732b2fd9295c93a1a843d02043.exe	86
PID 2428 wrote to memory of 2752	2428	7bebfc732b2fd9295c93a1a843d02043.exe	86
PID 2428 wrote to memory of 2752	2428	7bebfc732b2fd9295c93a1a843d02043.exe	86
PID 2428 wrote to memory of 2752	2428	7bebfc732b2fd9295c93a1a843d02043.exe	86
PID 2428 wrote to memory of 2752	2428	7bebfc732b2fd9295c93a1a843d02043.exe	86
PID 2752 wrote to memory of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2752 wrote to memory of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2752 wrote to memory of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2752 wrote to memory of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2752 wrote to memory of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2752 wrote to memory of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2752 wrote to memory of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2752 wrote to memory of 2896	2752	7bebfc732b2fd9295c93a1a843d02043.exe	87
PID 2896 wrote to memory of 2388	2896	7bebfc732b2fd9295c93a1a843d02043.exe	96
PID 2896 wrote to memory of 2388	2896	7bebfc732b2fd9295c93a1a843d02043.exe	96
PID 2896 wrote to memory of 2388	2896	7bebfc732b2fd9295c93a1a843d02043.exe	96
PID 2388 wrote to memory of 4856	2388	Nsnbno.exe	97
PID 2388 wrote to memory of 4856	2388	Nsnbno.exe	97
PID 2388 wrote to memory of 4856	2388	Nsnbno.exe	97
PID 2388 wrote to memory of 4856	2388	Nsnbno.exe	97
PID 2388 wrote to memory of 4856	2388	Nsnbno.exe	97
PID 2388 wrote to memory of 4856	2388	Nsnbno.exe	97
PID 2388 wrote to memory of 4856	2388	Nsnbno.exe	97
PID 4856 wrote to memory of 4756	4856	Nsnbno.exe	98
PID 4856 wrote to memory of 4756	4856	Nsnbno.exe	98
PID 4856 wrote to memory of 4756	4856	Nsnbno.exe	98
PID 4856 wrote to memory of 4756	4856	Nsnbno.exe	98
PID 4856 wrote to memory of 4756	4856	Nsnbno.exe	98
PID 4856 wrote to memory of 4756	4856	Nsnbno.exe	98
PID 4856 wrote to memory of 4756	4856	Nsnbno.exe	98
PID 4856 wrote to memory of 4756	4856	Nsnbno.exe	98
PID 4756 wrote to memory of 964	4756	Nsnbno.exe	101
PID 4756 wrote to memory of 964	4756	Nsnbno.exe	101
PID 4756 wrote to memory of 964	4756	Nsnbno.exe	101
PID 964 wrote to memory of 1456	964	iexplore.exe	102
PID 964 wrote to memory of 1456	964	iexplore.exe	102
PID 1456 wrote to memory of 3040	1456	IEXPLORE.EXE	103
PID 1456 wrote to memory of 3040	1456	IEXPLORE.EXE	103
PID 1456 wrote to memory of 3040	1456	IEXPLORE.EXE	103
PID 4756 wrote to memory of 3040	4756	Nsnbno.exe	103
PID 4756 wrote to memory of 3040	4756	Nsnbno.exe	103

C:\Users\Admin\AppData\Local\Temp\7bebfc732b2fd9295c93a1a843d02043.exe
"C:\Users\Admin\AppData\Local\Temp\7bebfc732b2fd9295c93a1a843d02043.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\7bebfc732b2fd9295c93a1a843d02043.exe
  C:\Users\Admin\AppData\Local\Temp\7bebfc732b2fd9295c93a1a843d02043.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Users\Admin\AppData\Local\Temp\7bebfc732b2fd9295c93a1a843d02043.exe
    "C:\Users\Admin\AppData\Local\Temp\7bebfc732b2fd9295c93a1a843d02043.exe"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - C:\Users\Admin\AppData\Roaming\Nsnbno.exe
      "C:\Users\Admin\AppData\Roaming\Nsnbno.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2388
    - - C:\Users\Admin\AppData\Roaming\Nsnbno.exe
        
        C:\Users\Admin\AppData\Roaming\Nsnbno.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4856
      - C:\Users\Admin\AppData\Roaming\Nsnbno.exe
        
        "C:\Users\Admin\AppData\Roaming\Nsnbno.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4756
        
        C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:964
        
        C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        8⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1456
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1456 CREDAT:17410 /prefetch:2
        9⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:3040

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
55adff48fbcd7763c70a0d51d485d24f

SHA1
8ba66cb09d8e16d22c35931083d443155d3a04fa

SHA256
801c05af90120efdf31e4dfdcc5e7f2b76b9ca0e0746f58fdf12bf99287d8aca

SHA512
a3151d562469fd2412c237bb5646bb214a9a9f8664be4eb48fdf704d9710872e41947669f770ac74d9d1eb5d6ea5953e40cc5a85d57e56fc82708341154eee7b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
9f4aa597503f168bfd4f0280c0bfe5f1

SHA1
4c7d897444c7dd141c2436dcb67057710ed8931c

SHA256
4381fc0e61136dade4a6780ae3c2f838f1b25a1b815f3e958fe6ce9466bc3b27

SHA512
e95838a6dddd756fb1c0fb75734757ba3931271a90672f35d29d21a3c04d46d2850a17a8f82affc48b5ea74ca5dc8545646321723e79cf64edb0c62215a0515c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NSWVVUXL\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Roaming\Nsnbno.exe

Filesize
168KB

MD5
7bebfc732b2fd9295c93a1a843d02043

SHA1
19a1a0cfabef55d3362b8c82e8f36482c477fea2

SHA256
238317018f3c43e2a4bba5e1c5de7c0a8461444affafa3530985be6769d40aa9

SHA512
81763dd29dc62ac8116167963d0e12baf4a4d69d44c43745174663a1458ecaf703291f71fc5bb476f2917d04c4264bfc818d26eef4d671983259cebe8301b0f2

Download Submit
memory/2752-4-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2752-5-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2752-2-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2896-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2896-17-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2896-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2896-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4756-32-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4756-33-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4856-25-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download