e500256df42739711a7766aa026d48a54e368963052e847faf188b677001783e

Analysis

max time kernel
142s
max time network
159s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 11:15

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General

Target

1a0936002281fc58559d27d659a22a2d.exe
Size

109KB
MD5

1a0936002281fc58559d27d659a22a2d
SHA1

b07e453222d0e9495130627a07723e19c47deada
SHA256

e500256df42739711a7766aa026d48a54e368963052e847faf188b677001783e
SHA512

bcb4dcc270507714660ec502c79b8b8c3f5646b39a132089c121870c5c4cac46b5389b0510cc2fd8616f3c886468e5208bae36a49285654e423c11db7716d31e
SSDEEP

3072:fUgSUQetyhhEYUa767xmoa+ByriZJe7NUsTld424:fUghAjVelV9ZJEKs0J

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\1a0936002281fc58559d27d659a22a2d.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1a0936002281fc58559d27d659a22a2d.exe\""	1a0936002281fc58559d27d659a22a2d.exe

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409718460"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D82407C1-A393-11EE-9695-6A53A263E8F2} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000580e1c8c6faee54b80ab28599b83677c00000000020000000000106600000001000020000000d9c306591fc1913b634a20e5bf9a1a188169ebb8866a439060d07317bc9d98cd000000000e8000000002000020000000515ec732781507c96bbf06c65437ca0b485f8e9d41450eb9aa348d0aa8308e7b200000000996dd23eeed4c784628ab45e8617a6bfa1903230231263debf4bd3071ac3a3f400000001c1985fa582e29d707aa4266f92a39b5f7bcfcd9496f02655f1b29d83ec9dd7efacf8a91c9ae77527a7929c6278c4f087ac28e8c040dfd0c6113dd4157321774	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00dd67b1a037da01	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
2420	IEXPLORE.EXE
2420	IEXPLORE.EXE
2420	IEXPLORE.EXE
2420	IEXPLORE.EXE
2420	IEXPLORE.EXE
2420	IEXPLORE.EXE
2420	IEXPLORE.EXE
2420	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2420	IEXPLORE.EXE
2420	IEXPLORE.EXE
2768	IEXPLORE.EXE
2768	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2868	2864	1a0936002281fc58559d27d659a22a2d.exe	28
PID 2864 wrote to memory of 2868	2864	1a0936002281fc58559d27d659a22a2d.exe	28
PID 2864 wrote to memory of 2868	2864	1a0936002281fc58559d27d659a22a2d.exe	28
PID 2864 wrote to memory of 2868	2864	1a0936002281fc58559d27d659a22a2d.exe	28
PID 2868 wrote to memory of 2420	2868	iexplore.exe	29
PID 2868 wrote to memory of 2420	2868	iexplore.exe	29
PID 2868 wrote to memory of 2420	2868	iexplore.exe	29
PID 2868 wrote to memory of 2420	2868	iexplore.exe	29
PID 2420 wrote to memory of 2768	2420	IEXPLORE.EXE	32
PID 2420 wrote to memory of 2768	2420	IEXPLORE.EXE	32
PID 2420 wrote to memory of 2768	2420	IEXPLORE.EXE	32
PID 2420 wrote to memory of 2768	2420	IEXPLORE.EXE	32
PID 2420 wrote to memory of 2316	2420	IEXPLORE.EXE	31
PID 2420 wrote to memory of 2316	2420	IEXPLORE.EXE	31
PID 2420 wrote to memory of 2316	2420	IEXPLORE.EXE	31

C:\Users\Admin\AppData\Local\Temp\1a0936002281fc58559d27d659a22a2d.exe
"C:\Users\Admin\AppData\Local\Temp\1a0936002281fc58559d27d659a22a2d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "http://www.yeerea.com"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" "http://www.yeerea.com"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - C:\Windows\system32\ctfmon.exe
      ctfmon.exe
      4⤵
      PID:2316
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2420 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2768

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
344B

MD5
ec7b7abcc185ce19fcfc5a7ced9a022f

SHA1
abbe60f878f5c281ce4bd90d42e69dcb6d4e6981

SHA256
aae0c60ad3837679236733d58cd95db202e5495cca26f059684d39f468e5bcb2

SHA512
561ce97d0728a51d341545bc20ccb0d8492795d583a87184c3f4476b2de2ff874545e19806bb7e9faf20b05749368bc117aaaa7a1a50465b65a35c433a3bc8a5

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

Filesize
344B

MD5
e1f70406bf3336bce5cedd530fe557e4

SHA1
004c6ddd241c834a5468ec1fe60862d81ab01470

SHA256
b37f2a7dd64ab0799840362a36ba5886316e3e81aa2f28f216bd755d2a1be769

SHA512
559db22cfef109426be34cf6b5376275f47261cd75c4e48782c7d52f04600d2d0fbf26199d0fa41804c0db1960239e82733c1a790505cb581c1f081af62a7a90

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

Filesize
344B

MD5
f4479d8011cf577d70f4a53600683e7f

SHA1
cbc9e003366e02799a52982cacf245261b06879b

SHA256
503d889da808228f888916d9e597aa70539619f9709126d1451e2e5cbfadbf9f

SHA512
f6d7aecb9978d047e556c8835cef877c8b8875e8f17654025ddeca2336b00cdde2301c939f3b903c935f447db201f7760ade9bf6b804656cd56c0643636e0f41

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

Filesize
344B

MD5
d60aa468b081f910e6183fd59ada3e45

SHA1
bc6c38c6782a2c4a9d2130165dcbd9b71bd4b254

SHA256
9136ddf33425f7257207a597b5fb945e4c332ec1112d0b27768387a299947c37

SHA512
3094a59b6351438a910cb74ea2845fb0efe9dbd6cfd0882a6013f22e8bb065bea1c847e9d61b4a070c1df8c8c8ec0632ec7d8e70c246a96a67067b996a690a0c

Download Submit
memory/2864-4-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads