56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562

Analysis

max time kernel
104s
max time network
151s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 03:28

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General

Target

56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562.dll
Size

576KB
MD5

573450c63953c2680db1f74879a1b670
SHA1

111d4f63c0eadc4504bdabea4f689350f0ad1799
SHA256

56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562
SHA512

a6a87da03a6a79a22cf9d6ddcdfc9d44ac69ae9613a918b0c548b9c38878840d90952e15b7316963d389b6c109f175c642567ae0e6ef6fa50a0285fdda895420
SSDEEP

12288:kZL7A5l0711g8onrOcWAqVvZf4tZbEQyL:kZL7AfYhonSZQtZwL

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1328	rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000500000000b2d2-56.dat	upx
behavioral1/files/0x000500000000b2d2-57.dat	upx
behavioral1/files/0x000500000000b2d2-59.dat	upx
behavioral1/memory/1328-65-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1328-66-0x0000000000400000-0x0000000000456000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1252	rundll32.exe
1252	rundll32.exe

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1196	1252	WerFault.exe	27

Modifies Internet Explorer settings 1 TTPs 53 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\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	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\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	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\Recovery\AdminActive\{154309A1-5064-11ED-9ECC-C253C434FFA8} = "0"	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\DomainSuggestion\FileNames	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\InternetRegistry	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\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	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\Toolbar	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\Zoom	iexplore.exe
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\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
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	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
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	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\LowRegistry\DOMStorage	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\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	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
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373027612"	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
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{153DB271-5064-11ED-9ECC-C253C434FFA8} = "0"	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\WindowsSearch	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\LowRegistry\DOMStorage	iexplore.exe
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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	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
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1328	rundll32mgr.exe
1328	rundll32mgr.exe
1328	rundll32mgr.exe
1328	rundll32mgr.exe
1328	rundll32mgr.exe
1328	rundll32mgr.exe
1328	rundll32mgr.exe
1328	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1328	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1268	iexplore.exe
1236	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1236	iexplore.exe
1236	iexplore.exe
1268	iexplore.exe
1268	iexplore.exe
1796	IEXPLORE.EXE
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE
1796	IEXPLORE.EXE
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1252	1760	rundll32.exe	27
PID 1760 wrote to memory of 1252	1760	rundll32.exe	27
PID 1760 wrote to memory of 1252	1760	rundll32.exe	27
PID 1760 wrote to memory of 1252	1760	rundll32.exe	27
PID 1760 wrote to memory of 1252	1760	rundll32.exe	27
PID 1760 wrote to memory of 1252	1760	rundll32.exe	27
PID 1760 wrote to memory of 1252	1760	rundll32.exe	27
PID 1252 wrote to memory of 1328	1252	rundll32.exe	28
PID 1252 wrote to memory of 1328	1252	rundll32.exe	28
PID 1252 wrote to memory of 1328	1252	rundll32.exe	28
PID 1252 wrote to memory of 1328	1252	rundll32.exe	28
PID 1252 wrote to memory of 1196	1252	rundll32.exe	29
PID 1252 wrote to memory of 1196	1252	rundll32.exe	29
PID 1252 wrote to memory of 1196	1252	rundll32.exe	29
PID 1252 wrote to memory of 1196	1252	rundll32.exe	29
PID 1328 wrote to memory of 1236	1328	rundll32mgr.exe	30
PID 1328 wrote to memory of 1236	1328	rundll32mgr.exe	30
PID 1328 wrote to memory of 1236	1328	rundll32mgr.exe	30
PID 1328 wrote to memory of 1236	1328	rundll32mgr.exe	30
PID 1328 wrote to memory of 1268	1328	rundll32mgr.exe	31
PID 1328 wrote to memory of 1268	1328	rundll32mgr.exe	31
PID 1328 wrote to memory of 1268	1328	rundll32mgr.exe	31
PID 1328 wrote to memory of 1268	1328	rundll32mgr.exe	31
PID 1236 wrote to memory of 1796	1236	iexplore.exe	34
PID 1236 wrote to memory of 1796	1236	iexplore.exe	34
PID 1236 wrote to memory of 1796	1236	iexplore.exe	34
PID 1236 wrote to memory of 1796	1236	iexplore.exe	34
PID 1268 wrote to memory of 1400	1268	iexplore.exe	33
PID 1268 wrote to memory of 1400	1268	iexplore.exe	33
PID 1268 wrote to memory of 1400	1268	iexplore.exe	33
PID 1268 wrote to memory of 1400	1268	iexplore.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1252
- - 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:1328
  - - 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:1236
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1236 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1796
  - - 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:1268
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1268 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 232
    3⤵
    - Program crash
    PID:1196

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.{153DB271-5064-11ED-9ECC-C253C434FFA8}.dat

Filesize
5KB

MD5
0c938df2b42db92ddad7e4104ef7a30e

SHA1
5691f71e4d0aea49a90789cbfa82c0770d2ab716

SHA256
814a2e811a83044ff5428c4f5613557d7dc0c824a5f79f7dc0fe8d6808527fbd

SHA512
05868767bb54a31a670bc91d22fdbfd9018b2456f2949077089d97815d2a5cdaeca3953c19b9fd77f8a6959c6d2d6a83b28e4d4d69c233e0b4f8196eac6e8571

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{154309A1-5064-11ED-9ECC-C253C434FFA8}.dat

Filesize
3KB

MD5
978c42a6fa0b8f5e4e857c920be9357c

SHA1
af17b2a0861320139a751fbb164ad912227383b6

SHA256
87eaad75e84928a464f0bbfe7678fa788bc9ebc768b056a4124a07a90c69f729

SHA512
b1ca67e3d180ab41b34a7b3199c8c1b4bed7409f1eb9f6b2ed96cafe58fe0cae32ca292222e15927b5fd2bf48db40685826420e1689344b00630b8539892f375

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\ZPC89FLV.txt

Filesize
598B

MD5
2bd23a26590a0486e54da65c94955488

SHA1
de0027e9574acfb7b63f249ed20bf4b59605831a

SHA256
163eaa807b85ad71c65d4ae53dfcce97db4040744b4e5f3c2586ec6689c29827

SHA512
f17fbf763b805fb54fc5d50188f8436fb54b56623c48e9939c0c5491cb80fa3778366294a869c221c998f1587b3ebd5b8166c2ad5e3a82ce468bd133d1656f46

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

Filesize
105KB

MD5
27761550031391c56a3a59d3cb7229a5

SHA1
643e456a5fb02a820e79e33fc66e8496f15e5955

SHA256
b6b449ecd550692a3d8d5424e00885155e898d5cbbde98543a5b7b877073daab

SHA512
2aa9607f71e4cb99ab4ccabe33a5f192117b733306cd8d1f4f3054077572e522bc71e1eae679877b5554d0bc3c1281fd5bcf822a2da5da291e6630f65470d0d6

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
27761550031391c56a3a59d3cb7229a5

SHA1
643e456a5fb02a820e79e33fc66e8496f15e5955

SHA256
b6b449ecd550692a3d8d5424e00885155e898d5cbbde98543a5b7b877073daab

SHA512
2aa9607f71e4cb99ab4ccabe33a5f192117b733306cd8d1f4f3054077572e522bc71e1eae679877b5554d0bc3c1281fd5bcf822a2da5da291e6630f65470d0d6

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
27761550031391c56a3a59d3cb7229a5

SHA1
643e456a5fb02a820e79e33fc66e8496f15e5955

SHA256
b6b449ecd550692a3d8d5424e00885155e898d5cbbde98543a5b7b877073daab

SHA512
2aa9607f71e4cb99ab4ccabe33a5f192117b733306cd8d1f4f3054077572e522bc71e1eae679877b5554d0bc3c1281fd5bcf822a2da5da291e6630f65470d0d6

Download Submit
memory/1252-63-0x0000000010000000-0x0000000010091000-memory.dmp

Filesize
580KB

Download
memory/1252-64-0x0000000000260000-0x00000000002B6000-memory.dmp

Filesize
344KB

Download
memory/1252-55-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1328-65-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1328-66-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download