c2668c985158d3b105a11d5e42107fa0a8a6acafd6265c783f4af8892107f8e9

Analysis

max time kernel
187s
max time network
201s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 10:28

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General

Target

172b2c7f96d04f6769932e9d49c8cf7a.exe
Size

1.5MB
MD5

172b2c7f96d04f6769932e9d49c8cf7a
SHA1

aea713b92d80855d3c093ea3e85db696d88758d3
SHA256

c2668c985158d3b105a11d5e42107fa0a8a6acafd6265c783f4af8892107f8e9
SHA512

bc5434ff311dc1873470a7658d085e5cca038996ace387eb18711c937b9225d09a8299e603014584d711c5cb88dc8720557b579dbc65fe2e42ba005f23566635
SSDEEP

24576:2lQ9Qkuc+NmtsibFZatdEi+WPdpPuHQ87hAcZI48ivRiHh3uP4U/HKnQwUEF5VKr:2sQkuX5VS71cdu1PWvUEpKr

Score

7^/10

vmprotect

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3644	172b2c7f96d04f6769932e9d49c8cf7a.exe

VMProtect packed file 5 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/files/0x0006000000023229-4.dat	vmprotect
behavioral2/memory/3644-5-0x0000000010000000-0x00000000100C2000-memory.dmp	vmprotect
behavioral2/memory/3644-8-0x0000000010000000-0x00000000100C2000-memory.dmp	vmprotect
behavioral2/memory/3644-9-0x0000000010000000-0x00000000100C2000-memory.dmp	vmprotect
behavioral2/memory/3644-12-0x0000000010000000-0x00000000100C2000-memory.dmp	vmprotect

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\sysmonitor.dll	172b2c7f96d04f6769932e9d49c8cf7a.exe
File created	\??\c:\windows\dumpreport.dmp	172b2c7f96d04f6769932e9d49c8cf7a.exe

Modifies Internet Explorer settings 1 TTPs 47 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1948372287"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2186339483"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078686"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0f088961e39da01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078686"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410485580"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1948372287"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078686"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20ffeaa31e39da01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d228e40a7820b94dbd5c7b6846f2f5ad000000000200000000001066000000010000200000005afffcbed76f616f812e15ac9e1869aff31c101df033dd3e44231c55eaa7d414000000000e800000000200002000000011b9858702b6abcf5fbbce5867af67a0b6c16dc8c606af7fd9f2cb398f0f9a6820000000a5ef2683668686a1d1aceb33623c14e8f08156ddfb09ffea10831b11ba59468740000000cd25fb19abb0ff2259075d939e93822db3a760282de0157209cae5b3fd059cdb14b20f07b64191f0215be7cc847ef4ae50990b1a4a26f903cc50d1c486af4319	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9A5AF279-A511-11EE-B7F4-F68B0B0A1028} = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\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
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d228e40a7820b94dbd5c7b6846f2f5ad0000000002000000000010660000000100002000000033db03aa84191750924babce0565da749a94599bbc69a549ce5e074f859b03a9000000000e8000000002000020000000199d8fa55b34390cb585a401a413ec1b0c74cdcc613a4e1449aa504d519b7b8f200000002a0bf2846004fa833dc3a1b0d96e882dc98177bcb0745b8c7482979be82eea1940000000d81b01cfffb1f897b60241eb5812feabfbe3d7e514857bf74f2a6f58494214d1ca596143e605901b7a7a9cda36462d65559addd24bfc20a276282c321b03e8f2	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1644	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1644	IEXPLORE.EXE
1644	IEXPLORE.EXE
3472	IEXPLORE.EXE
3472	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 1644	3644	172b2c7f96d04f6769932e9d49c8cf7a.exe	92
PID 3644 wrote to memory of 1644	3644	172b2c7f96d04f6769932e9d49c8cf7a.exe	92
PID 1644 wrote to memory of 3472	1644	IEXPLORE.EXE	93
PID 1644 wrote to memory of 3472	1644	IEXPLORE.EXE	93
PID 1644 wrote to memory of 3472	1644	IEXPLORE.EXE	93

C:\Users\Admin\AppData\Local\Temp\172b2c7f96d04f6769932e9d49c8cf7a.exe
"C:\Users\Admin\AppData\Local\Temp\172b2c7f96d04f6769932e9d49c8cf7a.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE" www.5mrp.cn
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1644 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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\Local\Microsoft\Windows\INetCache\IE\43O0UZKG\favicon[1].htm

Filesize
920B

MD5
5c179534fdeb4b20675ac5225cd2484f

SHA1
3a5bbca5e1edefcdb8d78b4f4c1b66850789df30

SHA256
e3f314f9a18f300ded3c32834ec02ef6d11d49e2eae32ba54b0fa59a0915e13b

SHA512
9a66da59d2c96b44a936fec572dcd89dd5886e07f666d8cba3aae731972d1da0e3e29e918d29bf947f35e78ce795a20de69544aad0e027e055f146c221a5f641

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\43O0UZKG\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\dumpreport.dmp

Filesize
200KB

MD5
500bc95fde63bd8b99eaabbc8e57ea59

SHA1
ce0ce2e2c808e15a23c7703d54a33d236b879be2

SHA256
8559e4b438628c7bd23e3360626f210a24bf1392c511fc8350a44451a11961b4

SHA512
0b1fa88a0134a80d3c371cabbc057b48741b687bba34a82ec15d9f567351f464ce56c7ef026bb612003b1f82929e2df75897a75a825ab9f46abbaabefc256e7f

Download Submit
memory/3644-0-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download
memory/3644-3-0x0000000076640000-0x0000000076730000-memory.dmp

Filesize
960KB

Download
memory/3644-5-0x0000000010000000-0x00000000100C2000-memory.dmp

Filesize
776KB

Download
memory/3644-8-0x0000000010000000-0x00000000100C2000-memory.dmp

Filesize
776KB

Download
memory/3644-9-0x0000000010000000-0x00000000100C2000-memory.dmp

Filesize
776KB

Download
memory/3644-10-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download
memory/3644-11-0x0000000076640000-0x0000000076730000-memory.dmp

Filesize
960KB

Download
memory/3644-12-0x0000000010000000-0x00000000100C2000-memory.dmp

Filesize
776KB

Download