172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031

Analysis

max time kernel
79s
max time network
152s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
28/10/2022, 23:10

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General

Target

172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe
Size

407KB
MD5

0ac59133410a2dae4034ca65947894f7
SHA1

66cc95aa2eead2b5323fd4237887d947c9365993
SHA256

172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031
SHA512

76e65b0582ddb5c9c0e66dc5fe0c56159ec3a43ecc84c998f303b179430ef5b0791207520f0653994f244b96018acdc224b1a7b1752493261c101608108b7ca0
SSDEEP

3072:vsBD6HJfcDDXJ8DRF+SKfJkuPutWiOIyZmzzu:vPpKCDRF+SKBkuPutWiOIFfu

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
1308	172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe
1308	172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe
1308	172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe
1308	172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a00000000020000000000106600000001000020000000ba555b44fd8e69f1fcae4cbb37be0e19a7f0b89a5479e3ad2ff895a31eacc7ba000000000e80000000020000200000005ca43ea33db0191f80ffc00191863584c8397e8ef736eddabde023f215d5cc9e90000000306b70414210469d08df5a77942b69867be3debe591f5eee992ebb8d2bfdfae05e469f8e799235ba85c296e14f9bb42e51aca1f4f4ca6fc7b152868f9f134163826b810d39735a4e0501197024515029ad677c846374e5d10171e844bb1523bc24b0096764fe7f4012a8b089e151d515da858cfaabe5a9aa7feb31c301f5fac80754d3831fe58c1f6e8711e20c45e436400000002d695b317e914397aa469813a5bbb8b4b6c614c8190a419b1e5d7f119e9609eeee9e0b1442a68e593b3f077bef1a5d45e1767bbcc0942bed0c4a348a799845c8	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373773623"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a00000000020000000000106600000001000020000000155ddacc2ecb2f016faf6eef4f6c2755718e9c1225ff98513ba8f2e8687ed75f000000000e80000000020000200000005ec55f4566a7ca7cd18e39b448e982d632c18de0d14f425d646a13f01dd5baf020000000a4930afe4ea93f7ad126c55c47e0eb2d767b07ff95d18acf817d4ee5e1219649400000003fde91547546d806f6d3a8fa5cb83c363b7bf4d2c652903ceae3911827a8c55a217a3797bbd034b054a318e8f24c757f613ca28f99ed9753b94833f559687681	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0ABB76A1-572D-11ED-BBEF-F2255ECFD43B} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10c364e139ebd801	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1388	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1388	iexplore.exe
1388	iexplore.exe
1660	IEXPLORE.EXE
1660	IEXPLORE.EXE
1660	IEXPLORE.EXE
1660	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 1388	1308	172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe	29
PID 1308 wrote to memory of 1388	1308	172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe	29
PID 1308 wrote to memory of 1388	1308	172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe	29
PID 1308 wrote to memory of 1388	1308	172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe	29
PID 1388 wrote to memory of 1660	1388	iexplore.exe	30
PID 1388 wrote to memory of 1660	1388	iexplore.exe	30
PID 1388 wrote to memory of 1660	1388	iexplore.exe	30
PID 1388 wrote to memory of 1660	1388	iexplore.exe	30
PID 1388 wrote to memory of 1660	1388	iexplore.exe	30
PID 1388 wrote to memory of 1660	1388	iexplore.exe	30
PID 1388 wrote to memory of 1660	1388	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe
"C:\Users\Admin\AppData\Local\Temp\172c80c4b27d5de620bad47ce28da191abd6a538b59388ff02bad7055acd8031.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.hopdream.com/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1388 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
5ca44c9f6a56b8da2f72045af8fcfdb9

SHA1
442262dd515b08a413f0a1b86917e742f5908194

SHA256
c44a41d285167e1ffeca3e669ffeef5712622c4546c5150e621ba674afe1f556

SHA512
f4ed58945819dda23e2195af9371572bfe85316b944ad43fafabc498b0e22328b4a964adce2ea2baf760c42232cbe5257ef3e26c3cfe9ec38186b2ce10acb12a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\S70ROGND.txt

Filesize
608B

MD5
c24d890369db761f4c6c3a8350dad078

SHA1
df45d807a8fba414ffbc78af3e9aecca0a8fdb76

SHA256
d87d86bbfc65b0d89c00fd097a94ff45977879ce5f5fbe6e69d37ce912999a02

SHA512
a57de6751e93fbc63bbaaef160df831fc6203671b648cdde4cae2377068ffdb733848437f31c2271a3683121d81386288d07204d3f50cdf6f6b5366cf7b752b6

Download Submit
\Users\Admin\AppData\Local\Temp\nst59E.tmp\inetc.dll

Filesize
20KB

MD5
e541458cfe66ef95ffbea40eaaa07289

SHA1
caec1233f841ee72004231a3027b13cdeb13274c

SHA256
3bce87b66d9272c82421920c34b0216e12c57a437d1955c36f23c74c1a01d420

SHA512
0bf6313e4cb7bbdcfba828fb791540b630adc58c43aa4b5ba77790367d0f34f76077cd84cc62e2a2c98c788a88547f32a11e549873d172c5aa2753124847cd0c

Download Submit
\Users\Admin\AppData\Local\Temp\nst59E.tmp\inetc.dll

Filesize
20KB

MD5
e541458cfe66ef95ffbea40eaaa07289

SHA1
caec1233f841ee72004231a3027b13cdeb13274c

SHA256
3bce87b66d9272c82421920c34b0216e12c57a437d1955c36f23c74c1a01d420

SHA512
0bf6313e4cb7bbdcfba828fb791540b630adc58c43aa4b5ba77790367d0f34f76077cd84cc62e2a2c98c788a88547f32a11e549873d172c5aa2753124847cd0c

Download Submit
\Users\Admin\AppData\Local\Temp\nst59E.tmp\inetc.dll

Filesize
20KB

MD5
e541458cfe66ef95ffbea40eaaa07289

SHA1
caec1233f841ee72004231a3027b13cdeb13274c

SHA256
3bce87b66d9272c82421920c34b0216e12c57a437d1955c36f23c74c1a01d420

SHA512
0bf6313e4cb7bbdcfba828fb791540b630adc58c43aa4b5ba77790367d0f34f76077cd84cc62e2a2c98c788a88547f32a11e549873d172c5aa2753124847cd0c

Download Submit
\Users\Admin\AppData\Local\Temp\nst59E.tmp\inetc.dll

Filesize
20KB

MD5
e541458cfe66ef95ffbea40eaaa07289

SHA1
caec1233f841ee72004231a3027b13cdeb13274c

SHA256
3bce87b66d9272c82421920c34b0216e12c57a437d1955c36f23c74c1a01d420

SHA512
0bf6313e4cb7bbdcfba828fb791540b630adc58c43aa4b5ba77790367d0f34f76077cd84cc62e2a2c98c788a88547f32a11e549873d172c5aa2753124847cd0c

Download Submit
memory/1308-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download