hxxps://bmrf[.]org/repos/tron/

Resubmissions

07/06/2023, 13:20

230607-qk5f6sbd8t 7

Analysis

max time kernel
485s
max time network
488s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
07/06/2023, 13:20

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General

Target

https://bmrf.org/repos/tron/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4192	Tron v12.0.5 (2023-02-02).exe
5012	Tron v12.0.5 (2023-02-02).exe
3352	Tron v12.0.5 (2023-02-02).exe

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 9731bf4db045d901	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\RepId\PublicId = "{43F73479-761B-4AAC-803A-17E2F2851C8E}"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0c922ea4299d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3789719158"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31037762"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31037762"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 408601ea4299d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "392909000"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3848625264"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0C8FC0D5-0536-11EE-BDA1-FE76446D24E5} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000054563ac51b63114e9d77321b025b2f0d00000000020000000000106600000001000020000000ca101320f3c65977e3c8215ead589e6f1a9d4411e6f70f07e1160dbeeb83305d000000000e80000000020000200000005e327cb0079b9867d013582d5f75f9b1b221fa9e40732a8d2f1242d5f96b04ca20000000d36ddcedd8389644231f76bb9deff8945ff34f9775175cb8964e7e1fa43b6d934000000063d06ff6f7964ddb23f9380643c0238e359d00681634d1bd7fc07ea239c93fd1bd157e25280d06da6cde3a4cdcac9c21471f2170790375b103250cd2e2aed985	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000054563ac51b63114e9d77321b025b2f0d000000000200000000001066000000010000200000007e33d28f2587005de47c940a8389cb49f7267f6ed2776b516fc5147f5a840144000000000e8000000002000020000000cddf749daf1bb271d7fb77df13fdb330e756b848bb2df283ea6230eed837367420000000aaddf96c1e1d1dc984ca2dafb463cacc647acfbaf7d735fd54084fa26b67d1cf4000000003725ab80cfc80a9f9b216a1f9925d095b607f2844e6acb7b874f9888fe285507bbfca0c039d033de41a0dbed8516a0d966409304313b2c7bd49e7df83767843	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\RepId	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31037762"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3789719158"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4248	iexplore.exe
4248	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4248	iexplore.exe
4248	iexplore.exe
368	IEXPLORE.EXE
368	IEXPLORE.EXE
368	IEXPLORE.EXE
368	IEXPLORE.EXE
368	IEXPLORE.EXE
368	IEXPLORE.EXE
368	IEXPLORE.EXE
368	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 368	4248	iexplore.exe	84
PID 4248 wrote to memory of 368	4248	iexplore.exe	84
PID 4248 wrote to memory of 368	4248	iexplore.exe	84
PID 4248 wrote to memory of 4192	4248	iexplore.exe	92
PID 4248 wrote to memory of 4192	4248	iexplore.exe	92
PID 4248 wrote to memory of 4192	4248	iexplore.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://bmrf.org/repos/tron/
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4248 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:368
- C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe
  "C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe"
  2⤵
  - Executes dropped EXE
  PID:4192

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2352

C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe
"C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe"
1⤵
- Executes dropped EXE
PID:5012

C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe
"C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe"
1⤵
- Executes dropped EXE
PID:3352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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
9f40f0353257052e597cc6a63918ff40

SHA1
1c28ed248cce39532cec1a8685dbef608f1fcc1a

SHA256
71ac9b72aa96f07fc0108f5762830c2007eccf77726516bc4c31de6f619e04fd

SHA512
f9b9c9377b51d371d7e1691e46f5be78ec11745fafda0713844c6aba10c075afa8e07b9dae67794fe06a1f8d99258d016b7afd386d5a257c57e3bab3a1318713

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

Filesize
404B

MD5
58bea0d705cbf902eda6be0a5a16100f

SHA1
8f9da6198d01b852ba1f3348dadc4e3cfa410eb5

SHA256
0b3bf3a83fa0b49fc415a84f45e95880a59d763d1303e5f9cad0826f2eb24f5c

SHA512
08682f188e7ab6973b117ec5214ee49de550edfe1e748f5bec4069191f7e3fd269188e8ac595f1ac248ca62e78070a7ca74181da27bca331a7ec3a0703fd1696

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K941J8ND\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe

Filesize
504.1MB

MD5
35bcf57cbafe3185eede8af51e9349b9

SHA1
2358f43ace3f38cfbad60c07f5c181d8b892e360

SHA256
b7cf278d29bd18d37af911c81aca085d5025175a88dfb87c03626da5880a0e30

SHA512
5059c2c119fa12bf68e8f5bcc9d7615646c9eef42defc5e9979cc1de88291d8cb2b0d80f8ba87466522c1ee842fede0a195876175827a31a720c040d97bb657e

Download Submit
C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe

Filesize
504.1MB

MD5
35bcf57cbafe3185eede8af51e9349b9

SHA1
2358f43ace3f38cfbad60c07f5c181d8b892e360

SHA256
b7cf278d29bd18d37af911c81aca085d5025175a88dfb87c03626da5880a0e30

SHA512
5059c2c119fa12bf68e8f5bcc9d7615646c9eef42defc5e9979cc1de88291d8cb2b0d80f8ba87466522c1ee842fede0a195876175827a31a720c040d97bb657e

Download Submit
C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe

Filesize
504.1MB

MD5
35bcf57cbafe3185eede8af51e9349b9

SHA1
2358f43ace3f38cfbad60c07f5c181d8b892e360

SHA256
b7cf278d29bd18d37af911c81aca085d5025175a88dfb87c03626da5880a0e30

SHA512
5059c2c119fa12bf68e8f5bcc9d7615646c9eef42defc5e9979cc1de88291d8cb2b0d80f8ba87466522c1ee842fede0a195876175827a31a720c040d97bb657e

Download Submit
C:\Users\Admin\Downloads\Tron v12.0.5 (2023-02-02).exe.5nq79a3.partial

Filesize
504.1MB

MD5
35bcf57cbafe3185eede8af51e9349b9

SHA1
2358f43ace3f38cfbad60c07f5c181d8b892e360

SHA256
b7cf278d29bd18d37af911c81aca085d5025175a88dfb87c03626da5880a0e30

SHA512
5059c2c119fa12bf68e8f5bcc9d7615646c9eef42defc5e9979cc1de88291d8cb2b0d80f8ba87466522c1ee842fede0a195876175827a31a720c040d97bb657e

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads