f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f

Analysis

max time kernel
124s
max time network
198s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 09:55

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General

Target

f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe
Size

254KB
MD5

3706012b64ec33cc42fc0fa5ab16f59c
SHA1

5fccfc16a2a9a2bf8f65146bc1475c74246e14f8
SHA256

f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f
SHA512

7804f64b11c0799123d0b5336a5e0d9d6e6b1e84645d3c86bbe2b7225be51072ad97750d2312defe0375fa369d8799bb687b07d9b5a0cc978e311fce76dea6d0
SSDEEP

6144:/eJX9qXL9zZNLGkrOmfmMcctVRYaxU6xy:WJ9qXL9VNCBm+IDRY

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1312-55-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral1/memory/1312-56-0x0000000000400000-0x00000000004A5000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\x = "C:\\Windows\\system32\\x.exe"	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\x.exe	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe
File opened for modification	C:\Windows\SysWOW64\x.exe	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.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 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000256ed27e8919d04f83812f84ee5c95da000000000200000000001066000000010000200000002df770a103d0978153e33a56829aab9741476d12777f050c5d7fa45e6c8eea24000000000e8000000002000020000000abc45aab5230eed50209ea3b09debd59b1ba99d093df08b4b8bc262bf084f8372000000025fba9347555f182b45b5e57c8885910646b9a6f1460befab4d32cbb1fb26a7740000000008325de84606ca658e112723dea11716c667d689371e2cb78cf79e9aa4e73e4970fc46d07933128e59b8f5e47fab2fb4105aec8f9a72d7618d5c3e2683ab0a7	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{560CDB91-7694-11ED-8965-5263E908E3CD} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377226476"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 605e9d4aa10ad901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.xxxsupersearch.info"	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2044	iexplore.exe
2044	iexplore.exe
1188	IEXPLORE.EXE
1188	IEXPLORE.EXE
1188	IEXPLORE.EXE
1188	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2044	1312	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe	28
PID 1312 wrote to memory of 2044	1312	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe	28
PID 1312 wrote to memory of 2044	1312	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe	28
PID 1312 wrote to memory of 2044	1312	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe	28
PID 2044 wrote to memory of 1188	2044	iexplore.exe	30
PID 2044 wrote to memory of 1188	2044	iexplore.exe	30
PID 2044 wrote to memory of 1188	2044	iexplore.exe	30
PID 2044 wrote to memory of 1188	2044	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe
"C:\Users\Admin\AppData\Local\Temp\f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Modifies Internet Explorer start page
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.youtubeofhdporn.com/ads/open.php
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2044 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\VUTPDG3W.txt

Filesize
608B

MD5
d44aa1dc74a8ddb4da9faafcb8dd3d5a

SHA1
92900755349682f3e63705a20b2c46a31883dda4

SHA256
74046198fa41b79b66066911ba055463357085499ac60dbd9060b4528d3a934a

SHA512
6b8c50b462e093e623362dcde5a2fbd799eb7758b82cf2bddb4ddec148205418b60ea684ce8fe8ab4334c4f6022c7a1e5c5b5c86f34292dd0ec31ec3879bc583

Download Submit
memory/1312-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1312-55-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1312-56-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads