7b06062372121380aca639a8d17b2a4e2e5f7f856dabb7144cb6305807250715

General

Target

7b06062372121380aca639a8d17b2a4e2e5f7f856dabb7144cb6305807250715.dll
Size

208KB
MD5

641047a686acc9d7a47b1fd0af39f2d0
SHA1

8d471a8ed8d1a64c9b97d02b6a5b957a7780277f
SHA256

7b06062372121380aca639a8d17b2a4e2e5f7f856dabb7144cb6305807250715
SHA512

5d4e5b35864506f3c9ed8b7851cb873398fa13195df24850ee4dbaf162086e50bd5460bcd6e3bff2ce9e16e7f4c1df60e42db66ced7a7c529f53f5e8f07bb58d
SSDEEP

3072:uHfKj5SssNrNqZIitP2Siy8uZV0wp7IkjmjB+qYBakN+gK9Rv3Tp2Bg:u/Kj5SrN/2Vx7IkjkB+qYEkogK9NoBg

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1756	rundll32mgr.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1756-64-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/1756-65-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/1756-67-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/1756-68-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1148	rundll32.exe
1148	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
1564	1148	WerFault.exe	26

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371462125"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{20B482A1-4227-11ED-B40B-E20468906380} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1756	rundll32mgr.exe
1756	rundll32mgr.exe
1756	rundll32mgr.exe
1756	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1544	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1544	iexplore.exe
1544	iexplore.exe
980	IEXPLORE.EXE
980	IEXPLORE.EXE
980	IEXPLORE.EXE
980	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1756	rundll32mgr.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 604 wrote to memory of 1148	604	rundll32.exe	26
PID 604 wrote to memory of 1148	604	rundll32.exe	26
PID 604 wrote to memory of 1148	604	rundll32.exe	26
PID 604 wrote to memory of 1148	604	rundll32.exe	26
PID 604 wrote to memory of 1148	604	rundll32.exe	26
PID 604 wrote to memory of 1148	604	rundll32.exe	26
PID 604 wrote to memory of 1148	604	rundll32.exe	26
PID 1148 wrote to memory of 1756	1148	rundll32.exe	27
PID 1148 wrote to memory of 1756	1148	rundll32.exe	27
PID 1148 wrote to memory of 1756	1148	rundll32.exe	27
PID 1148 wrote to memory of 1756	1148	rundll32.exe	27
PID 1756 wrote to memory of 1544	1756	rundll32mgr.exe	28
PID 1756 wrote to memory of 1544	1756	rundll32mgr.exe	28
PID 1756 wrote to memory of 1544	1756	rundll32mgr.exe	28
PID 1756 wrote to memory of 1544	1756	rundll32mgr.exe	28
PID 1148 wrote to memory of 1564	1148	rundll32.exe	29
PID 1148 wrote to memory of 1564	1148	rundll32.exe	29
PID 1148 wrote to memory of 1564	1148	rundll32.exe	29
PID 1148 wrote to memory of 1564	1148	rundll32.exe	29
PID 1544 wrote to memory of 980	1544	iexplore.exe	31
PID 1544 wrote to memory of 980	1544	iexplore.exe	31
PID 1544 wrote to memory of 980	1544	iexplore.exe	31
PID 1544 wrote to memory of 980	1544	iexplore.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b06062372121380aca639a8d17b2a4e2e5f7f856dabb7144cb6305807250715.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b06062372121380aca639a8d17b2a4e2e5f7f856dabb7144cb6305807250715.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1148
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:1756
  - - 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:1544
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1544 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 236
    3⤵
    - Program crash
    PID:1564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\23RAH71K.txt

Filesize
601B

MD5
eb6b624d6bea3d2b8ae1d9aa203f9d02

SHA1
fa4b0ce849dc96bd582dbfd8daeec63929c736d3

SHA256
49e7dfddf8abd0cb7a416e5159ca4fd2179e286c35ec0ffde96459c9e87a8e78

SHA512
a9f1dff6e4eb70da3f576dab128315e0645030bb992ee10dc33c462855f04cce4af9c5aabac9644491d1b0850ed11bc6b602b98fe83452eba4346c7919b7bf34

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

Filesize
88KB

MD5
a61ea5f2325332c52bff5bce3d161336

SHA1
3a883b8241f5f2efaa76367240db800d78a0209c

SHA256
e6f8a54ed663061527ab46b8e8efc2a0f3c99ae77829c0be0e50eb5b1b48415b

SHA512
fae031e0e7dcd719240bfe94a3f78d1aac73060324d5b65e0cbe564ce6d6781aaa5e930f0729293e3b502b7d07f53f3a72fb2048d44d93d36851aab8330479e5

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
88KB

MD5
a61ea5f2325332c52bff5bce3d161336

SHA1
3a883b8241f5f2efaa76367240db800d78a0209c

SHA256
e6f8a54ed663061527ab46b8e8efc2a0f3c99ae77829c0be0e50eb5b1b48415b

SHA512
fae031e0e7dcd719240bfe94a3f78d1aac73060324d5b65e0cbe564ce6d6781aaa5e930f0729293e3b502b7d07f53f3a72fb2048d44d93d36851aab8330479e5

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
88KB

MD5
a61ea5f2325332c52bff5bce3d161336

SHA1
3a883b8241f5f2efaa76367240db800d78a0209c

SHA256
e6f8a54ed663061527ab46b8e8efc2a0f3c99ae77829c0be0e50eb5b1b48415b

SHA512
fae031e0e7dcd719240bfe94a3f78d1aac73060324d5b65e0cbe564ce6d6781aaa5e930f0729293e3b502b7d07f53f3a72fb2048d44d93d36851aab8330479e5

Download Submit
memory/1148-55-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/1148-56-0x0000000010000000-0x0000000010035000-memory.dmp

Filesize
212KB

Download
memory/1148-58-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1148-71-0x0000000010000000-0x0000000010035000-memory.dmp

Filesize
212KB

Download
memory/1148-66-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1756-64-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1756-68-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1756-67-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1756-65-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing