75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e

Analysis

max time kernel
131s
max time network
172s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 06:24

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General

Target

75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe
Size

13KB
MD5

34456b6e8b46f7d803d7a1dd70260e75
SHA1

37c34f4c173c26a5751919c29cc06d081c816dfb
SHA256

75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e
SHA512

ca8f22395730ff9c50fde2c598128f1fe1d8cc4e5667bab193d4ef4fafa26d7e04e243d5a563b24bf1f3929e7d753454befdf379af46d79e23fbec5ffca19509
SSDEEP

384:WZF0z9VgnB7iKNddKVQyJb6k4J5D6GwGBCIw:WZF0zTgnBZdd7yJbgX3EN

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/668-54-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" \DelayServices	75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.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 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
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\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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
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
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20c2061619ccd801	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\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{344CE111-380C-11ED-808D-42A98B637845} = "0"	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\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	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\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	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\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e0f3d159765a7f43b6bf060b4b70c9a3000000000200000000001066000000010000200000009d3e789985b37d64aa9c17fed8167a918d05b058c1a9f08394732c3e17ebfbe7000000000e800000000200002000000025ae999b42c10ab193c32945590493aaa2aa9a077859c2194736ca075595a35b200000009bf1d8a388423795cd5d3f280ae987e649586d0e918df1a4e5f8cd4b4bb5976d40000000b1d7926f97fadebef92cf1e7e72c29c0c046624fc99e5ff6e4fd07dc6e54064a38c419986e99b3d4d6955b99a42dedcb43ba6b68bf23106f241df1b119920280	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	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\TabbedBrowsing	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
668	75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe
668	75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1892	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1892	iexplore.exe
1892	iexplore.exe
852	IEXPLORE.EXE
852	IEXPLORE.EXE
852	IEXPLORE.EXE
852	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 1892	668	75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe	28
PID 668 wrote to memory of 1892	668	75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe	28
PID 668 wrote to memory of 1892	668	75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe	28
PID 668 wrote to memory of 1892	668	75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe	28
PID 1892 wrote to memory of 852	1892	iexplore.exe	30
PID 1892 wrote to memory of 852	1892	iexplore.exe	30
PID 1892 wrote to memory of 852	1892	iexplore.exe	30
PID 1892 wrote to memory of 852	1892	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe
"C:\Users\Admin\AppData\Local\Temp\75f0869a82f31c20f5dedb5a3de531680b1c3635f105a8758ae55c0a2ac9343e.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:668
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.download787.com/sanity.php?1=149121-10000
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1892 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:852

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

memory/668-54-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/668-55-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download
memory/668-56-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download