8ca085425f4a95646ed40fafe6ddf7e6a9d83306f5ce94fdfdf612ff0e1cdc29

Analysis

max time kernel
90s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 10:01

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General

Target

992216b5af8c928d1e2cf4b1c94595a2.exe
Size

157KB
MD5

992216b5af8c928d1e2cf4b1c94595a2
SHA1

aa81a072b639be776170cb28f0d4c5f826c8a3dd
SHA256

8ca085425f4a95646ed40fafe6ddf7e6a9d83306f5ce94fdfdf612ff0e1cdc29
SHA512

3c8138744fe6244ed12de058583ad2935b92dccc9ca66a075c093d17ee08d7fce6451d5b7294850c5707daaaa94445324ce618bb03150309b77ff9ba1ec50c08
SSDEEP

3072:UtzFZdNMB6+7PmCuW5HbfyfC/lSIJ2UbGsSAIySL6zuk:KBizqWZ6fC9SIAUb/q3L6q

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4148-0-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4148-5-0x0000000000400000-0x0000000000455000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4148 set thread context of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "414583458"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2899934356"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D86B2CF1-CA56-11EE-9ECD-52EF8B93895E} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31088227"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2899934356"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2901497108"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2901497108"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31088227"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31088227"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31088227"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1644	992216b5af8c928d1e2cf4b1c94595a2.exe
1644	992216b5af8c928d1e2cf4b1c94595a2.exe
1644	992216b5af8c928d1e2cf4b1c94595a2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	992216b5af8c928d1e2cf4b1c94595a2.exe
Token: SeDebugPrivilege	984	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5068	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4148	992216b5af8c928d1e2cf4b1c94595a2.exe
5068	IEXPLORE.EXE
5068	IEXPLORE.EXE
984	IEXPLORE.EXE
984	IEXPLORE.EXE
984	IEXPLORE.EXE
984	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 4148 wrote to memory of 1644	4148	992216b5af8c928d1e2cf4b1c94595a2.exe	84
PID 1644 wrote to memory of 216	1644	992216b5af8c928d1e2cf4b1c94595a2.exe	85
PID 1644 wrote to memory of 216	1644	992216b5af8c928d1e2cf4b1c94595a2.exe	85
PID 1644 wrote to memory of 216	1644	992216b5af8c928d1e2cf4b1c94595a2.exe	85
PID 216 wrote to memory of 5068	216	iexplore.exe	86
PID 216 wrote to memory of 5068	216	iexplore.exe	86
PID 5068 wrote to memory of 984	5068	IEXPLORE.EXE	87
PID 5068 wrote to memory of 984	5068	IEXPLORE.EXE	87
PID 5068 wrote to memory of 984	5068	IEXPLORE.EXE	87
PID 1644 wrote to memory of 984	1644	992216b5af8c928d1e2cf4b1c94595a2.exe	87
PID 1644 wrote to memory of 984	1644	992216b5af8c928d1e2cf4b1c94595a2.exe	87

C:\Users\Admin\AppData\Local\Temp\992216b5af8c928d1e2cf4b1c94595a2.exe
"C:\Users\Admin\AppData\Local\Temp\992216b5af8c928d1e2cf4b1c94595a2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Users\Admin\AppData\Local\Temp\992216b5af8c928d1e2cf4b1c94595a2.exe
  "C:\Users\Admin\AppData\Local\Temp\992216b5af8c928d1e2cf4b1c94595a2.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:216
  - - 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:5068
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5068 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:984

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
34a715b7eff98727a79196c12548166d

SHA1
d5e289b29da4499777553a8a18000554d3664059

SHA256
6b41a389423de69980de3d667fca2f72e5ce6224dcea62d765862d07e76f9f01

SHA512
62de58bac2f19abcfd8503f2b0abf64872a6354c140e020975d40fda1c975ed3ccc9f05a58ab45663c3eee52dbb5d6974aca6df78f7e60e780f5320622516860

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

Filesize
404B

MD5
6c0cde026eb8ed2b5785f7ceacabbc59

SHA1
1233a9c81bee217a8264fd124cd4ca4d77bd7b74

SHA256
e08c81297277702b9a5d067980bcfc7e85280a5ff193845a2ce6c854154fc48a

SHA512
12b8bf4d7e714a86578c82a5ffeff0cb8689618d2563985f5f9e05c3cbc9e25390d9394b4bd035d9dfd5315e2bd899af853427f59e9ba35ae3d50e3446aeb0bc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD83F.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1644-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1644-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1644-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1644-8-0x00000000021C0000-0x000000000220E000-memory.dmp

Filesize
312KB

Download
memory/1644-10-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4148-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4148-5-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download