1035bbebbbf65eab9682bfe42d4a19e11ee662e009fe7ab5f4e029d0f87acb45

Analysis

max time kernel
148s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 09:11

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General

Target

588a8894f4199784a7a93c9055d0c104.exe
Size

130KB
MD5

588a8894f4199784a7a93c9055d0c104
SHA1

92a8ade25f6bb8108070ff6d599cdb8ae96cc84c
SHA256

1035bbebbbf65eab9682bfe42d4a19e11ee662e009fe7ab5f4e029d0f87acb45
SHA512

9c5f79131e9817ec0b6cad01268f9483ce5e93811875c6f17ed00213deb1b5e59f6806ddf6d73178501d42d3bddd8276eb1a37437b93b9637ab7bb34ccd46aa1
SSDEEP

3072:aWu2GLDjKwrpnyZz9lwrtzQRJUELBrrcUn:Khy+xMRJUIBrrcUn

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3216	iexplore.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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Xsnunr = "C:\\Users\\Admin\\AppData\\Roaming\\Xsnunr.exe"	iexplore.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	iexplore.exe
File opened (read-only)	\??\F:	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3656 set thread context of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2804465143"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081984"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411902101"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081984"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081984"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CEAAEC98-B1F3-11EE-B6AD-FAD2FAC7202F} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2742590021"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2742590021"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3128	588a8894f4199784a7a93c9055d0c104.exe
3128	588a8894f4199784a7a93c9055d0c104.exe
3128	588a8894f4199784a7a93c9055d0c104.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3128	588a8894f4199784a7a93c9055d0c104.exe
Token: SeDebugPrivilege	3216	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4488	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3656	588a8894f4199784a7a93c9055d0c104.exe
4488	IEXPLORE.EXE
4488	IEXPLORE.EXE
1696	IEXPLORE.EXE
1696	IEXPLORE.EXE
1696	IEXPLORE.EXE
1696	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3656 wrote to memory of 3128	3656	588a8894f4199784a7a93c9055d0c104.exe	89
PID 3128 wrote to memory of 3216	3128	588a8894f4199784a7a93c9055d0c104.exe	96
PID 3128 wrote to memory of 3216	3128	588a8894f4199784a7a93c9055d0c104.exe	96
PID 3128 wrote to memory of 3216	3128	588a8894f4199784a7a93c9055d0c104.exe	96
PID 3216 wrote to memory of 4488	3216	iexplore.exe	97
PID 3216 wrote to memory of 4488	3216	iexplore.exe	97
PID 3128 wrote to memory of 3216	3128	588a8894f4199784a7a93c9055d0c104.exe	96
PID 3128 wrote to memory of 3216	3128	588a8894f4199784a7a93c9055d0c104.exe	96
PID 4488 wrote to memory of 1696	4488	IEXPLORE.EXE	99
PID 4488 wrote to memory of 1696	4488	IEXPLORE.EXE	99
PID 4488 wrote to memory of 1696	4488	IEXPLORE.EXE	99

C:\Users\Admin\AppData\Local\Temp\588a8894f4199784a7a93c9055d0c104.exe
"C:\Users\Admin\AppData\Local\Temp\588a8894f4199784a7a93c9055d0c104.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Users\Admin\AppData\Local\Temp\588a8894f4199784a7a93c9055d0c104.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3128
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Deletes itself
    - Adds Run key to start application
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3216
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4488
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4488 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1696

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\L3T8W3B4\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3128-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3128-4-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3128-5-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3128-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3128-7-0x0000000000610000-0x000000000065E000-memory.dmp

Filesize
312KB

Download
memory/3128-10-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download