12afc88c6568f07bc63b2f6a7b84d42d5222b6d0d83156bced1a19c559d56dee

Analysis

max time kernel
108s
max time network
161s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 12:24

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General

Target

12afc88c6568f07bc63b2f6a7b84d42d5222b6d0d83156bced1a19c559d56dee.dll
Size

113KB
MD5

2bbb1c2bcb43c09f62c793b87ceee67d
SHA1

854a7ef6c76992ef986a26ae1fd1ea942abac659
SHA256

12afc88c6568f07bc63b2f6a7b84d42d5222b6d0d83156bced1a19c559d56dee
SHA512

4b35d3466429077e34587c37c0ab90ff41b9be4bac8e6bfcaf6a2ad29afccc49a4f2b0121ea8a0fa30f852e9a7eefc25f9c7147b7f37283e3d23d6ec9a6086a5
SSDEEP

3072:dwUfOBjVrYMgjXzzABvnrrUMyTc1ZvDNVQprMx95tMLdXqZLYW:dBWBjKDXzzAN8MyTc1ZvDNVQprMx95tJ

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
792	rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00140000000054ab-56.dat	upx
behavioral1/files/0x00140000000054ab-57.dat	upx
behavioral1/files/0x00140000000054ab-59.dat	upx
behavioral1/memory/792-60-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/792-63-0x0000000000400000-0x000000000046E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1628	rundll32.exe
1628	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 53 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372283658"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{ED2B19F1-499F-11ED-8B2C-72E6D75F6BEB} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{ED2A7DB1-499F-11ED-8B2C-72E6D75F6BEB} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
792	rundll32mgr.exe
792	rundll32mgr.exe
792	rundll32mgr.exe
792	rundll32mgr.exe
792	rundll32mgr.exe
792	rundll32mgr.exe
792	rundll32mgr.exe
792	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	792	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1444	iexplore.exe
1164	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1164	iexplore.exe
1164	iexplore.exe
1444	iexplore.exe
1444	iexplore.exe
1748	IEXPLORE.EXE
1748	IEXPLORE.EXE
1768	IEXPLORE.EXE
1768	IEXPLORE.EXE
1748	IEXPLORE.EXE
1748	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1628	1724	rundll32.exe	27
PID 1724 wrote to memory of 1628	1724	rundll32.exe	27
PID 1724 wrote to memory of 1628	1724	rundll32.exe	27
PID 1724 wrote to memory of 1628	1724	rundll32.exe	27
PID 1724 wrote to memory of 1628	1724	rundll32.exe	27
PID 1724 wrote to memory of 1628	1724	rundll32.exe	27
PID 1724 wrote to memory of 1628	1724	rundll32.exe	27
PID 1628 wrote to memory of 792	1628	rundll32.exe	28
PID 1628 wrote to memory of 792	1628	rundll32.exe	28
PID 1628 wrote to memory of 792	1628	rundll32.exe	28
PID 1628 wrote to memory of 792	1628	rundll32.exe	28
PID 792 wrote to memory of 1444	792	rundll32mgr.exe	29
PID 792 wrote to memory of 1444	792	rundll32mgr.exe	29
PID 792 wrote to memory of 1444	792	rundll32mgr.exe	29
PID 792 wrote to memory of 1444	792	rundll32mgr.exe	29
PID 792 wrote to memory of 1164	792	rundll32mgr.exe	30
PID 792 wrote to memory of 1164	792	rundll32mgr.exe	30
PID 792 wrote to memory of 1164	792	rundll32mgr.exe	30
PID 792 wrote to memory of 1164	792	rundll32mgr.exe	30
PID 1164 wrote to memory of 1768	1164	iexplore.exe	32
PID 1164 wrote to memory of 1768	1164	iexplore.exe	32
PID 1164 wrote to memory of 1768	1164	iexplore.exe	32
PID 1164 wrote to memory of 1768	1164	iexplore.exe	32
PID 1444 wrote to memory of 1748	1444	iexplore.exe	33
PID 1444 wrote to memory of 1748	1444	iexplore.exe	33
PID 1444 wrote to memory of 1748	1444	iexplore.exe	33
PID 1444 wrote to memory of 1748	1444	iexplore.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12afc88c6568f07bc63b2f6a7b84d42d5222b6d0d83156bced1a19c559d56dee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\12afc88c6568f07bc63b2f6a7b84d42d5222b6d0d83156bced1a19c559d56dee.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:792
  - - 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:1444
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1444 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1748
  - - 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:1164
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1164 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1768

Network

MITRE ATT&CK Enterprise v6

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\Internet Explorer\Recovery\High\Active\RecoveryStore.{ED2A7DB1-499F-11ED-8B2C-72E6D75F6BEB}.dat

Filesize
3KB

MD5
56c7fe4f30e1d0fbdf9bdc942ca5ed71

SHA1
f10df27ae9404a52efc1c9b55ccf4d8b8734b457

SHA256
6301d13305b759738832a545079c45241286c17a321b01fb335fc72a056d134a

SHA512
c6a0cc3f4a0e564586e89f562c3bf7768a255bbb5ecd278227094f6fc13e2f6d64064085838f5b0551f32fb02f2a87908d79a5af53aad3a1650bf48eda299d03

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{ED2B19F1-499F-11ED-8B2C-72E6D75F6BEB}.dat

Filesize
3KB

MD5
98b531b23b17574bdaa898a319f71a4e

SHA1
15000f231f8148053d7cfff33550febcc4de4e9c

SHA256
3225c3d789990f15d8fdfe1e17e0874f0af5ed765082f66056f2a6095478126a

SHA512
c553fcf9f0e074697f8136a3a4b982dc1eb70097be32235f71399232cf26a97a95585be93e3a512136856eb63b0fa23478b5ef138e58074992e572edee886ffc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\7DN3SLVO.txt

Filesize
608B

MD5
613cdf4627b6795dc4aa21053e50f5ee

SHA1
fee00f128ed5e165dbe21a97f2e752c6facb8a56

SHA256
cea8c6a7acb96c8dfe64691edd3b483d7fde33b60fb596c01acdcb7dbbaf3740

SHA512
16c74ddb36e3d51080dd1feae9e52e4cb9e6606e4ad1bf981ff68323ebab64ce235a4b601154f016c780f3b8ee959da8d6e74525649f2bed2891e49e81b08955

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
9b49fec7e03c33277f188a2819b8d726

SHA1
a7b6b4a0ecbeab9075c3e36ec2586ce8debbbc4f

SHA256
9d3a78f72dbd7351a999d6fd6f60b0c6ba79bc4279a347fd590af94a0224afad

SHA512
049a0971913562ca8a134ac889d4750c71d89fe070fadcb06dfc49401f1b9b508275921e55f3f27a31f34d520e96784d4a50959fa1aab6bad878e9e5ea61755d

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
9b49fec7e03c33277f188a2819b8d726

SHA1
a7b6b4a0ecbeab9075c3e36ec2586ce8debbbc4f

SHA256
9d3a78f72dbd7351a999d6fd6f60b0c6ba79bc4279a347fd590af94a0224afad

SHA512
049a0971913562ca8a134ac889d4750c71d89fe070fadcb06dfc49401f1b9b508275921e55f3f27a31f34d520e96784d4a50959fa1aab6bad878e9e5ea61755d

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
9b49fec7e03c33277f188a2819b8d726

SHA1
a7b6b4a0ecbeab9075c3e36ec2586ce8debbbc4f

SHA256
9d3a78f72dbd7351a999d6fd6f60b0c6ba79bc4279a347fd590af94a0224afad

SHA512
049a0971913562ca8a134ac889d4750c71d89fe070fadcb06dfc49401f1b9b508275921e55f3f27a31f34d520e96784d4a50959fa1aab6bad878e9e5ea61755d

Download Submit
memory/792-60-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/792-63-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1628-55-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

Filesize
8KB

Download