4970564c582532cd7a5a38f4016e772143c73c4b2f8928100d021a7d3c2e2bc0

Analysis

max time kernel
176s
max time network
178s
platform
windows10_x64
resource
win10-en-20211104
submitted
08/11/2021, 14:53

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General

Target

flowey.exe
Size

587KB
MD5

7cd5b1d26ac2bbcc2d14c9ad93347292
SHA1

ca48b30414d66c6a3014037c9e4433eebc1880b7
SHA256

4970564c582532cd7a5a38f4016e772143c73c4b2f8928100d021a7d3c2e2bc0
SHA512

963705a5c3c29bc25561f2b92552dae3d185d0933319b8843031d421295fcad29c1b23e76b6d9fe5ad4d483228eabf48d71bf31fde1477c98db785c33b3a777d

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 15 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{130AC28E-4085-11EC-B34F-F23AFFACC4A0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1148	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3568	flowey.exe
3568	flowey.exe
1148	iexplore.exe
1148	iexplore.exe
2392	IEXPLORE.EXE
2392	IEXPLORE.EXE
2392	IEXPLORE.EXE
2392	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2392	1148	iexplore.exe	75
PID 1148 wrote to memory of 2392	1148	iexplore.exe	75
PID 1148 wrote to memory of 2392	1148	iexplore.exe	75

C:\Users\Admin\AppData\Local\Temp\flowey.exe
"C:\Users\Admin\AppData\Local\Temp\flowey.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:3568

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:508

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\MoveUpdate.xhtml
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1148 CREDAT:82945 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2392

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1148-143-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-135-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-120-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-122-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-123-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-124-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-125-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-126-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-127-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-128-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-130-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-131-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-132-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-134-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-141-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-136-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-138-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-139-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-119-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-140-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-151-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-177-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-146-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-148-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-149-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-118-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-153-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-154-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-155-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-159-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-160-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-161-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-167-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-168-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-169-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-170-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-171-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-172-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download
memory/1148-173-0x00007FFAE06D0000-0x00007FFAE073B000-memory.dmp

Filesize
428KB

Download