b911a9026a2503414323b4900c7e6b927f5c8ca4144e4327b4a3934300db85c9

Analysis

max time kernel
91s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 07:38

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

c8119e6613688cee82509d8fa717e982.exe
Size

756KB
MD5

c8119e6613688cee82509d8fa717e982
SHA1

d3e7bdded68244995b8e7c008b62bf05c3b4aefd
SHA256

b911a9026a2503414323b4900c7e6b927f5c8ca4144e4327b4a3934300db85c9
SHA512

79e80492ab2110279ece2368dfef8d3aa6574482bd2ebee7fbea906154f04ea1ff1a944a86c40a8e2c9a451f4e8954f2bf0a227c88b490b13ffac6df15ddedc1
SSDEEP

12288:Ic2CvHhkaoCvbvM+yT408eKEvhlpoizL81UZHmxjBwQ+Hm5nDsewh1ldOMCtey:IcF/hBoovM8wjvhlpoi381UZHmBB+HmF

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000023205-4.dat	acprotect
behavioral2/files/0x000600000002320a-21.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
4912	Boercservice.exe

Loads dropped DLL 6 IoCs

pid	Process
3052	c8119e6613688cee82509d8fa717e982.exe
3052	c8119e6613688cee82509d8fa717e982.exe
3052	c8119e6613688cee82509d8fa717e982.exe
4912	Boercservice.exe
4912	Boercservice.exe
4912	Boercservice.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023205-4.dat	upx
behavioral2/memory/3052-7-0x0000000010000000-0x000000001012A000-memory.dmp	upx
behavioral2/files/0x000600000002320a-21.dat	upx
behavioral2/memory/4912-27-0x0000000010000000-0x000000001012A000-memory.dmp	upx
behavioral2/memory/3052-35-0x0000000010000000-0x000000001012A000-memory.dmp	upx
behavioral2/memory/4912-41-0x0000000010000000-0x000000001012A000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Boercservice.exe	c8119e6613688cee82509d8fa717e982.exe
File opened for modification	C:\Windows\SysWOW64\Boercservice.exe	c8119e6613688cee82509d8fa717e982.exe
File created	C:\Windows\SysWOW64\Boercservice.dll	Boercservice.exe
File opened for modification	C:\Windows\SysWOW64\Boercservice.dll	Boercservice.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\IJL15.DLL	Boercservice.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\4f73067947b8fd21e3f43f22006d2297.dat	Boercservice.exe
File opened for modification	C:\Windows\Fonts\4f73067947b8fd21e3f43f22006d2297.dat	Boercservice.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 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CE0D9A29-E1D5-11EE-BD28-527BFEDB591A} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31094242"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094242"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2727749124"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417166864"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2726029696"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	Boercservice.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31094242"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2726029696"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094242"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2727749124"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3052	c8119e6613688cee82509d8fa717e982.exe
3052	c8119e6613688cee82509d8fa717e982.exe
4912	Boercservice.exe
4912	Boercservice.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4456	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3052	c8119e6613688cee82509d8fa717e982.exe
4912	Boercservice.exe
4456	IEXPLORE.EXE
4456	IEXPLORE.EXE
4344	IEXPLORE.EXE
4344	IEXPLORE.EXE
4344	IEXPLORE.EXE
4344	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 4912	3052	c8119e6613688cee82509d8fa717e982.exe	84
PID 3052 wrote to memory of 4912	3052	c8119e6613688cee82509d8fa717e982.exe	84
PID 3052 wrote to memory of 4912	3052	c8119e6613688cee82509d8fa717e982.exe	84
PID 4912 wrote to memory of 4456	4912	Boercservice.exe	85
PID 4912 wrote to memory of 4456	4912	Boercservice.exe	85
PID 4456 wrote to memory of 4344	4456	IEXPLORE.EXE	86
PID 4456 wrote to memory of 4344	4456	IEXPLORE.EXE	86
PID 4456 wrote to memory of 4344	4456	IEXPLORE.EXE	86
PID 3052 wrote to memory of 1180	3052	c8119e6613688cee82509d8fa717e982.exe	87
PID 3052 wrote to memory of 1180	3052	c8119e6613688cee82509d8fa717e982.exe	87
PID 3052 wrote to memory of 1180	3052	c8119e6613688cee82509d8fa717e982.exe	87
PID 4912 wrote to memory of 4456	4912	Boercservice.exe	85

C:\Users\Admin\AppData\Local\Temp\c8119e6613688cee82509d8fa717e982.exe
"C:\Users\Admin\AppData\Local\Temp\c8119e6613688cee82509d8fa717e982.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\Boercservice.exe
  C:\Windows\system32\Boercservice.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4912
- - 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:4456
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4456 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4344
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\del_1.bat
  2⤵
  PID:1180

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
933b881e04584122e8cd768def29fe6a

SHA1
9877fedd4896d75f3605bf981c9e90d6d5e60a14

SHA256
6c1579aabb1cf90ec423f624a4d858bf2c22387ca34527ebd5be8611d52f50ef

SHA512
0fea464dec8c086b89485eccc240c455ab4b87daee80d9fcff6444338375d11b610bf5f5ea9ea5ab3a6bf1994f7bb3895b709f5135152c0abd62b1c97504f835

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
dc84e3d2ae5895f27266315906f086b7

SHA1
85f4e78d80638a8b2ab922df68ba319d25cfccfa

SHA256
9b67102097dd2cc309f338b31d8abe74b05ec591d420931149fdbb646aeab523

SHA512
72e9c44ae519368435411f9d94208d06133d66971eaf09e06b1e7bbbe060e6b05c1ae4e62d23f286819ab7ce86ba8e9bb34a596a9a9c1dc0d2602a29a432a0ab

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verC18B.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UG0DPB4T\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
34KB

MD5
ddbbb9f1a69dec889328d7171debec6c

SHA1
ce299c0f0b7f4ddbd8267375d5dd42569f7ba9c7

SHA256
1193091d9cb683b9c34c23fca183ded52f124c2a2d10115dd31f4a8452a2e467

SHA512
9d84c92cb73a00853567c9d41d32244c69674890966fa39b820551fdc53a8fad9881ef55b5efcf095fa4fbdfb278ee6924023a2ec9318bd7e92c00fc8def6d79

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\Boercservice.exe

Filesize
756KB

MD5
c8119e6613688cee82509d8fa717e982

SHA1
d3e7bdded68244995b8e7c008b62bf05c3b4aefd

SHA256
b911a9026a2503414323b4900c7e6b927f5c8ca4144e4327b4a3934300db85c9

SHA512
79e80492ab2110279ece2368dfef8d3aa6574482bd2ebee7fbea906154f04ea1ff1a944a86c40a8e2c9a451f4e8954f2bf0a227c88b490b13ffac6df15ddedc1

Download Submit
\??\c:\del_1.bat

Filesize
202B

MD5
f75ed8ece4df4b15694c8112fd84078e

SHA1
db46ca6f08dbfec25fd812db76ae00f8692c2a1b

SHA256
d91db9ccbc75d79049db5e619a04b80528f405943e2c3f9eb7309525dee618f9

SHA512
b6024245178a2622f703215fcebbb39a84d556a87e2f64fb64af9f5e2fb1fb992e5a2d7cd74364e822ce790dbb2d2203a5f7f0a724e4f3e3434b0d60f4363160

Download Submit
memory/3052-11-0x00000000022A0000-0x00000000022C1000-memory.dmp

Filesize
132KB

Download
memory/3052-0-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/3052-35-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/3052-36-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/3052-7-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/4912-31-0x0000000002340000-0x0000000002361000-memory.dmp

Filesize
132KB

Download
memory/4912-42-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/4912-41-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/4912-27-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download