28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6

General

Target

28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
Size

1.8MB
MD5

c60b8e144432de67a315134bbde7f1ff
SHA1

916e83f1d9defdee1d228f9a00f355f4c37436dd
SHA256

28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6
SHA512

50bcc7098bc67eb246646bc0a47615dc68d6a69e182b7471c1d50f02044e65fd56f9528fa61864a813b8a3b636f7f7cd1335bd9faa0ee6ba6ed71418de52d06f
SSDEEP

24576:YaUh/c6706LIFc8oP+oaTZaqdiXSp0c02uFG6dAk3CMpfY:YaUh/gyL8oPhaTZaqdwk0c05HGii

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	acprotect

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	upx
behavioral1/memory/1900-56-0x0000000010000000-0x000000001003D000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe

pid process

1900 28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.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 37 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exe28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000005d33bf0e2696a49a62fa68b1db67de600000000020000000000106600000001000020000000b9ffb65a31243634ac8c587c9df07111d089110e184d2fe8bc6fd231911370a5000000000e80000000020000200000004b62148ca7cf0c4dffbdcd26fc154676569a92ceb08d9cd05655f988d4d363f820000000f7d0bea7eda49cf4511f8294e48f6dd773b8b2575134b81a2d87f579001ff82740000000ec5c50fda797a2dda7407533d98fcbcf888850e85a70240e39b332cc03bdafe6140b7a831cdfe65617f4ae1110d5335e28e7e93ed64d99a11a657ef635caa11b	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50a0686a0b01d901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8FA7F6E1-6CFE-11ED-9551-6E705F4A26E5} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376172606"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1860 iexplore.exe

pid	process
1860	iexplore.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exeiexplore.exeIEXPLORE.EXE

pid	process
1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
1860	iexplore.exe
1860	iexplore.exe
272	IEXPLORE.EXE
272	IEXPLORE.EXE
272	IEXPLORE.EXE
272	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exeiexplore.exe

description	pid	process	target process
PID 1900 wrote to memory of 1860	1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe	iexplore.exe
PID 1900 wrote to memory of 1860	1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe	iexplore.exe
PID 1900 wrote to memory of 1860	1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe	iexplore.exe
PID 1900 wrote to memory of 1860	1900	28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe	iexplore.exe
PID 1860 wrote to memory of 272	1860	iexplore.exe	IEXPLORE.EXE
PID 1860 wrote to memory of 272	1860	iexplore.exe	IEXPLORE.EXE
PID 1860 wrote to memory of 272	1860	iexplore.exe	IEXPLORE.EXE
PID 1860 wrote to memory of 272	1860	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe
"C:\Users\Admin\AppData\Local\Temp\28c5c2aa1ec6c8747dccfcc2aebd21ebb2b7f4ad54e2aa02a1e83e3496bf50f6.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://qq2008.duapp.com/
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1860

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1860 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\IZT2XW4I.txt
Filesize
608B

MD5
6c75f33b97333fb9c5bc53e6fd911ba0

SHA1
e62ced6a60fe599e77094740d6ad48f1ed782e33

SHA256
ae727700fd3c4b7d73ab1b672871bb08f1b6bd8aa808d6ea4ab9021bb03aef3a

SHA512
fe7a12b49ebcff24fbe6585787fada498a1488c60a50a62abde052bd785470de6792460648d880a61f0183f57802b3267136f4f780bf6a4351c2f2c3974c3cec

Download Submit
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll
Filesize
86KB

MD5
147127382e001f495d1842ee7a9e7912

SHA1
92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

SHA256
edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

SHA512
97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

Download Submit
memory/1900-54-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

Filesize
8KB

Download
memory/1900-56-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads