85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641

Analysis

max time kernel
136s
max time network
197s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 18:34

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General

Target

85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe
Size

9.6MB
MD5

b0c31cb0a459715e7549b18f17ff035d
SHA1

e6ffc55c605f09034430a6b93c9373857af53051
SHA256

85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641
SHA512

31f54fab45b87e4208243590ea2ab901dd298c2af4ac26bc76813b837830699db7053b46d90eb63841aaca3a2c56b7bbf570b38b6099da60d858a155efb2934c
SSDEEP

98304:BpXzR1uS2cHplAELLJBAUZLaAf/NOIduJN2sZ+fEJBAUZLbvL8:VX3JVWyFOIIJCfEJVvvL8

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1484-55-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-57-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-58-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-59-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-60-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-62-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-64-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-66-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-68-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-72-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-70-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-74-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-76-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-78-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-80-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-85-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-83-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-89-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-87-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-91-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-93-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-95-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-97-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-101-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-99-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1484-102-0x0000000010000000-0x000000001003D000-memory.dmp	upx

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 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C5A56A41-75C6-11ED-90CA-EA20C184BE27} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377138221"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0eb55bbd309d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbec07815684004d899a318f710de6af00000000020000000000106600000001000020000000f5f5b83c23e8fd7fd9e8d001024c081f9d484ea0398930c7ddd83c63fd81d435000000000e800000000200002000000031469b7ac9a5327e8a94e102d4c33dedc6254e253fce148e90b3c77ea20bb06020000000604eb7a621b3864362b0a602675927a4c8beb0f63a3ab237667365eea1806a2640000000ac3e45fd34ce633854b3ed558e8fc985a34482a8760004f6491616bf7ef589dcc6ae338c2c0347e9f045ec937d14466de3519035870f47b74780c55645a9e401	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbec07815684004d899a318f710de6af00000000020000000000106600000001000020000000aaa5d73916b0c3ed1195168854b40eb8e353264af8454aebf8fe684b9c064370000000000e8000000002000020000000d4edc99928bff5383e3c355243b3310402a656568c61c496c71002d6056d242790000000776378c68c32a1b598722a6b19f23dc40b92995a50985c44f03c31224965d03c21c2a69a60a8b44c4f226b7c7b7e483510256594d36b0079420d29d01dccf11a109e8dbd23d3d5c4b79bc2da68bb0d9c106cf00c29b54f8c673d6930cbd6b1d3c4dd4d57792bf41a887f62c060462de43c909607a42c26a349b800638e047cd6a98b955cccfd52dde3b868b2e0cf9b504000000079b6dbc403fae75aa5b5188f3fce58d97a6392bd3a21660c2ad6f1eddf4137dfc51f76ce074e063f9293c91ae2d45bcbfe553b6c8b88eece06374c5c110422fa	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1748	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe
1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe
1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe
1748	iexplore.exe
1748	iexplore.exe
1344	IEXPLORE.EXE
1344	IEXPLORE.EXE
1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe
1344	IEXPLORE.EXE
1344	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 1748	1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe	28
PID 1484 wrote to memory of 1748	1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe	28
PID 1484 wrote to memory of 1748	1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe	28
PID 1484 wrote to memory of 1748	1484	85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe	28
PID 1748 wrote to memory of 1344	1748	iexplore.exe	30
PID 1748 wrote to memory of 1344	1748	iexplore.exe	30
PID 1748 wrote to memory of 1344	1748	iexplore.exe	30
PID 1748 wrote to memory of 1344	1748	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe
"C:\Users\Admin\AppData\Local\Temp\85a50a7d792ba58e4bfddc2f7eeb2145eca8fa2192b5131b7615f2cb7dc22641.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.uc886.com/shikong.html
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1748 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

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

Filesize
342B

MD5
8cdc58adf789006231634fcf79d885ce

SHA1
c8036733fe09bdeaac0c19b959a5fb58c850fefe

SHA256
8696ebf277dbea52bec96fb4c174d3414ded746fe6d1ff1d9e63f1c71ee6fde9

SHA512
5b0174db48680429d29e4285173557d91d4df182abf0c226f1904f9886fbc93f2f07f0896fa09811d174314e55fa630719d6d7675e9a67c89f1a96a267ca8d34

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\VDB9TG38.txt

Filesize
608B

MD5
1ecc696e387837e0e324c258edb5d06d

SHA1
078b9646900a368c1419c59264e5538d0050a69c

SHA256
dff4507b3478d4a720791f4dd3ea2736f1b843e334e202903a9f194a6e1b653c

SHA512
718339ce0cb575b8a120e7908d977de02e001b83cfd81cc91daca8ebf44cf7090fc51f4358ee40418cfebadf85992ef6780f27c24ed97193d6ac3ebb64b710c2

Download Submit
memory/1484-78-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-85-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-60-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-62-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-64-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-66-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-68-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-72-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-70-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-74-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-76-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1484-80-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-59-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-83-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-89-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-87-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-91-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-93-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-95-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-97-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-101-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-99-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-102-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-103-0x0000000071921000-0x0000000071923000-memory.dmp

Filesize
8KB

Download
memory/1484-58-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-57-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1484-55-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download