d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a

Analysis

max time kernel
139s
max time network
143s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 05:02

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General

Target

d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe
Size

1.9MB
MD5

d11e3667a1acf941f80c52fdae53c938
SHA1

2591fc7b45e3753588bbb880068a98079e7a6b11
SHA256

d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a
SHA512

77daf9747d028db1e617982b98225d7a30b0520b602c57005bb3ddbe86a92fe2a22ff01cac0ecb7d1fb5aa57cd475df70da339cad68505addbef9da6e5cf17ad
SSDEEP

49152:II+9tDrrFBK/JPKGg6wcGnEeL1DjDyGu1tNkr4I:qvvrFBK/JyL6ZAL1DjmGus

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1612-55-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-57-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-59-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-56-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-62-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-64-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-66-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-68-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-70-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-72-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-76-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-74-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-78-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-80-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-82-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-84-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-86-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-90-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-94-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-92-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-88-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-96-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-98-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1612-99-0x0000000010000000-0x000000001003E000-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 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	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\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000034555e13b10f3741b60d945b88151b720000000002000000000010660000000100002000000070ca43a3d5d68fa7b1bd7ff254385f86d1dc2f32fd9b1d97b098a53029e25842000000000e8000000002000020000000a6c23dc2c3865c5d1adcd4742681d0012072d167bdcb6abe99fbf1ba909574af20000000718edfed089e671e94cd93ad49ace99b8ff59019ce060583e485e160494347ee40000000f4c07ce874c647c83363929d4a1f860b5ac2d4e98a4d6311237ecdc135e007c3f914f220e84dfbff7d68e220948df9deaf04c83a44c2f93a177c50a28b0c1c00	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{44BD11F1-6EBC-11ED-8B83-6A6CB2F85B9F} = "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\IntelliForms	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\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376364016"	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\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 5050c41cc902d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\Toolbar	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 (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\GPU	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\PageSetup	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\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
468	Process not Found
468	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1992	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
1612	d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe
1612	d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe
1612	d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe
1992	iexplore.exe
1992	iexplore.exe
1088	IEXPLORE.EXE
1088	IEXPLORE.EXE
1088	IEXPLORE.EXE
1088	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1992	1612	d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe	28
PID 1612 wrote to memory of 1992	1612	d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe	28
PID 1612 wrote to memory of 1992	1612	d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe	28
PID 1612 wrote to memory of 1992	1612	d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe	28
PID 1992 wrote to memory of 1088	1992	iexplore.exe	29
PID 1992 wrote to memory of 1088	1992	iexplore.exe	29
PID 1992 wrote to memory of 1088	1992	iexplore.exe	29
PID 1992 wrote to memory of 1088	1992	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe
"C:\Users\Admin\AppData\Local\Temp\d03a97e6276463ba4d4ee530ba2ddb04887c50dac3ecada011b79c8d89b5430a.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://yifu.lptei.com/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1992 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1088

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\Roaming\Microsoft\Windows\Cookies\JR14H2Q4.txt

Filesize
601B

MD5
49029b4f2d18a807d50d6385fbc4c27a

SHA1
dc472a17ca9c36cebbb5e91d2f4cc5fb1dd60637

SHA256
9b593e7dfa6868eb188f880d4f5e0864aa93311ec04991da4d61e3d5baaf5fcd

SHA512
4ac6e0f89c77b9ce4ba595f07b79cd22ef22216300c219de2e48eed8aabae3af3e8a8118d10076f5f037d01bffc624f28df4e5b33dddb8085359211286f66601

Download Submit
memory/1612-78-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-99-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-59-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-56-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-61-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/1612-62-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-64-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-66-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-68-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-70-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-72-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-80-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-57-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-74-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-76-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-82-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-84-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-86-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-90-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-94-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-92-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-88-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-96-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-98-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1612-100-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/1612-55-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download