c41c1ea9081d24c81f593896da319e961e835deae97a62efc518879f4e73862d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 06:10

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General

Target

c00c351653932c620277822e1ccd8fcc.exe
Size

774KB
MD5

c00c351653932c620277822e1ccd8fcc
SHA1

5d1fc14ef5b06c326883644c816668c673279c4d
SHA256

c41c1ea9081d24c81f593896da319e961e835deae97a62efc518879f4e73862d
SHA512

1780855ffdfb5c20eb18e7dd922ee3eb18bd69b1cded1cb3500ed5daecc88262fb7c32232dc2c0d7c0568bd775f1f7169dbdecb545e8362179233ae14da4efce
SSDEEP

24576:MRh6YVQJPODw0t0cHROs4IM6iCRiiuToAFZDPKk:MRw9sonCRiiucAfR

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000226e5-4.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
3960	boorcservice.exe

Loads dropped DLL 6 IoCs

pid	Process
392	c00c351653932c620277822e1ccd8fcc.exe
392	c00c351653932c620277822e1ccd8fcc.exe
392	c00c351653932c620277822e1ccd8fcc.exe
3960	boorcservice.exe
3960	boorcservice.exe
3960	boorcservice.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000226e5-4.dat	upx
behavioral2/memory/392-5-0x0000000010000000-0x000000001012A000-memory.dmp	upx
behavioral2/memory/392-34-0x0000000010000000-0x000000001012A000-memory.dmp	upx
behavioral2/memory/3960-40-0x0000000010000000-0x000000001012A000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\boorcservice.dll	boorcservice.exe
File opened for modification	C:\Windows\SysWOW64\boorcservice.dll	boorcservice.exe
File created	C:\Windows\SysWOW64\boorcservice.exe	c00c351653932c620277822e1ccd8fcc.exe
File opened for modification	C:\Windows\SysWOW64\boorcservice.exe	c00c351653932c620277822e1ccd8fcc.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\09e84031a107f84a8d2ad6cdfb3b06b5.dat	boorcservice.exe
File opened for modification	C:\Windows\Fonts\09e84031a107f84a8d2ad6cdfb3b06b5.dat	boorcservice.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	boorcservice.exe
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3815983067"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31093626"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3859420462"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "416902404"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0F10E46C-DF6E-11EE-9216-7A73248FA209} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3815983067"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093626"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093626"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
392	c00c351653932c620277822e1ccd8fcc.exe
392	c00c351653932c620277822e1ccd8fcc.exe
3960	boorcservice.exe
3960	boorcservice.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2148	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
392	c00c351653932c620277822e1ccd8fcc.exe
3960	boorcservice.exe
2148	IEXPLORE.EXE
2148	IEXPLORE.EXE
3436	IEXPLORE.EXE
3436	IEXPLORE.EXE
3436	IEXPLORE.EXE
3436	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 3960	392	c00c351653932c620277822e1ccd8fcc.exe	89
PID 392 wrote to memory of 3960	392	c00c351653932c620277822e1ccd8fcc.exe	89
PID 392 wrote to memory of 3960	392	c00c351653932c620277822e1ccd8fcc.exe	89
PID 3960 wrote to memory of 2148	3960	boorcservice.exe	91
PID 3960 wrote to memory of 2148	3960	boorcservice.exe	91
PID 2148 wrote to memory of 3436	2148	IEXPLORE.EXE	92
PID 2148 wrote to memory of 3436	2148	IEXPLORE.EXE	92
PID 2148 wrote to memory of 3436	2148	IEXPLORE.EXE	92
PID 392 wrote to memory of 4480	392	c00c351653932c620277822e1ccd8fcc.exe	94
PID 392 wrote to memory of 4480	392	c00c351653932c620277822e1ccd8fcc.exe	94
PID 392 wrote to memory of 4480	392	c00c351653932c620277822e1ccd8fcc.exe	94
PID 3960 wrote to memory of 2148	3960	boorcservice.exe	91

C:\Users\Admin\AppData\Local\Temp\c00c351653932c620277822e1ccd8fcc.exe
"C:\Users\Admin\AppData\Local\Temp\c00c351653932c620277822e1ccd8fcc.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:392
- C:\Windows\SysWOW64\boorcservice.exe
  C:\Windows\system32\boorcservice.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3960
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2148
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2148 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3436
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\del_file_1.bat
  2⤵
  PID:4480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\Local\Microsoft\Windows\INetCache\IE\K4KS10IH\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\Exmlrpc.fne

Filesize
72KB

MD5
4b93667fd1049edc44df7888773e24d6

SHA1
45a73a3b4c3e43118c6b264a5dd7d30b6cca4e4f

SHA256
f650908d54de80e4cf3a7859efe11812e41e3e4515050434cff904e6a150453a

SHA512
7bffbc049906b990c12820afe004b67b32c83a71c6bd36f6222ff062e9bced38a03f6d80e2dd7b269845ddd986b1517b5e136f5c772d7c6c93f7dc4d12bda0b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
124KB

MD5
a062fbf36321864ac8e7e2e408ff0d90

SHA1
8cc46a09096eb373e5e01d7547f108eb09bbac9d

SHA256
249a27ede8d0fbd3e5dd89b9150d1215c7ae1dc2f137db5a67cee44e6b5c0431

SHA512
2ddb24f7f9a6f6b17b4ac3a5e0b4cfe9424a710ef34c7918754bcd4acff8ff41e043c2e8ab829da42d2e4a80cc45b59f309253833ba3d7329ba79d7fc7128819

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
406KB

MD5
6aea0226a87d8d144963ab68b02009ac

SHA1
6dcc3d247ac8e872c8cfb7db73e1de1032fc6b11

SHA256
ad7a6428108f2d01f2e1b747fc5f225fe7e32da7219c7df017a566566954b173

SHA512
d171cb12715b1952d4f214780472668d57604e1f4efba798f1a84dab633ab39a95830ec80dee4a7abfa5969ea4d472f21f54d99ff480d02660c41e3f9489af4a

Download Submit
C:\Windows\SysWOW64\boorcservice.exe

Filesize
774KB

MD5
c00c351653932c620277822e1ccd8fcc

SHA1
5d1fc14ef5b06c326883644c816668c673279c4d

SHA256
c41c1ea9081d24c81f593896da319e961e835deae97a62efc518879f4e73862d

SHA512
1780855ffdfb5c20eb18e7dd922ee3eb18bd69b1cded1cb3500ed5daecc88262fb7c32232dc2c0d7c0568bd775f1f7169dbdecb545e8362179233ae14da4efce

Download Submit
\??\c:\del_file_1.bat

Filesize
207B

MD5
5fb676aa8cad14cd181e4d0e13eda0ce

SHA1
a06c6f5ee3d6e8ad93c1953c85b610eb0edc6f13

SHA256
787cf0b1b5ae9604036537c4fd74160c0bb3cd00ac2621c57ddea2ac28e20705

SHA512
a7afee249226c0d4977f94246e96690f1fa9ec4ce36a78c4b738296a628ddd25caf5e9c97448e1119ff44118862321b958bbd76b9ece873295fe3d1b93682a2a

Download Submit
memory/392-0-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/392-11-0x00000000022C0000-0x00000000022E1000-memory.dmp

Filesize
132KB

Download
memory/392-5-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/392-34-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/392-35-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3960-30-0x0000000002AD0000-0x0000000002AF1000-memory.dmp

Filesize
132KB

Download
memory/3960-40-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/3960-41-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download