19c326fbf572922ca51907d077ec5bb5163074dd5225e2cadb9d1171ed5011e7

General

Target

dfece344002396545bfe223c601b2f76.exe
Size

123KB
MD5

dfece344002396545bfe223c601b2f76
SHA1

63602fc98f45abcf7a96458ef4f6c4fc1f68c731
SHA256

19c326fbf572922ca51907d077ec5bb5163074dd5225e2cadb9d1171ed5011e7
SHA512

4548503b0cad76aea9fb951f958cd8d73fef9e1270d1b1ecec773f02c0928dd6c10356a8149649b9586d3bdf0620086e23465b9bb62f790f5d151a87abf3d2ca
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLCSaPt0a:OVYrJrOSsRwcpcvP5

Score

8^/10

upx

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 2 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\SystemCertificates\TrustedPublisher\Certificates\62119EF862C6B3A0D853419B87EB3E2F6C78640A\Blob = 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	regedit.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0006000000015db7-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
792	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2860	regsvr32.exe
792	iaccess32.exe
792	iaccess32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2292-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a0000000120e8-5.dat	upx
behavioral1/memory/2292-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0006000000015db7-30.dat	upx
behavioral1/memory/2860-32-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/792-77-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-78-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-79-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-81-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-82-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-83-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-84-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-86-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/792-93-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\egaccess4_1071.dll	iaccess32.exe

Drops file in Program Files directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100627110609\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100627110609\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe
File created	C:\Windows\iaccess32.exe	dfece344002396545bfe223c601b2f76.exe
File created	C:\Windows\tmlpcert2007	iaccess32.exe
File created	C:\Windows\dialexe.zl	iaccess32.exe
File created	C:\Windows\dialexe.epk	iaccess32.exe
File created	C:\Windows\dialerexe.ini	iaccess32.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 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ = "C:\\Windows\\SysWow64\\egaccess4_1071.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
2556	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2292	dfece344002396545bfe223c601b2f76.exe
792	iaccess32.exe
792	iaccess32.exe
792	iaccess32.exe
792	iaccess32.exe
792	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 792	2292	dfece344002396545bfe223c601b2f76.exe	28
PID 2292 wrote to memory of 792	2292	dfece344002396545bfe223c601b2f76.exe	28
PID 2292 wrote to memory of 792	2292	dfece344002396545bfe223c601b2f76.exe	28
PID 2292 wrote to memory of 792	2292	dfece344002396545bfe223c601b2f76.exe	28
PID 792 wrote to memory of 2556	792	iaccess32.exe	29
PID 792 wrote to memory of 2556	792	iaccess32.exe	29
PID 792 wrote to memory of 2556	792	iaccess32.exe	29
PID 792 wrote to memory of 2556	792	iaccess32.exe	29
PID 792 wrote to memory of 2860	792	iaccess32.exe	30
PID 792 wrote to memory of 2860	792	iaccess32.exe	30
PID 792 wrote to memory of 2860	792	iaccess32.exe	30
PID 792 wrote to memory of 2860	792	iaccess32.exe	30
PID 792 wrote to memory of 2860	792	iaccess32.exe	30
PID 792 wrote to memory of 2860	792	iaccess32.exe	30
PID 792 wrote to memory of 2860	792	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\dfece344002396545bfe223c601b2f76.exe
"C:\Users\Admin\AppData\Local\Temp\dfece344002396545bfe223c601b2f76.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Manipulates Digital Signatures
  - 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 use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:792
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2556
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Instant Access\Multi\20100627110609\dialerexe.ini

Filesize
587B

MD5
f5a60730cd151bba8ef32fa22b7a64ef

SHA1
f93e2ff2874bae7467686b29e1b2428e0fc62606

SHA256
8ce7e78922b473c3113eca6e00bc500d969646745483d7f7cda3befaa02d4938

SHA512
a7c4b2ee67b72c1a3346428780667c46aa18613fd577da5ad22f0a79da44263433eed0c7e7955aeb26d3a9a4be8cd4abdcee27a909f4e1f80fe790bb70ec85bc

Download Submit
C:\Users\Public\Desktop\NOCREDITCARD.lnk

Filesize
2KB

MD5
2dbc4467547fdab2ebf6a0e4fc542d87

SHA1
0ebeb91644c416c1ec984388fcd44682ac3db016

SHA256
84048e92e0ed887bb631103c01095f588590485ef8ed9833624d1abe0132fbbf

SHA512
6180a72de890b65f6d01f6cb5d20139d4bad6ee66e5b9fc3e9e993e6ee4372b5982f5c5ff43fda17e540ebbfc5cb39d37747a1e825207eb48cf32d4b64ad444d

Download Submit
C:\Windows\SysWOW64\egaccess4_1071.dll

Filesize
76KB

MD5
b83f652ffa76451ae438954f89c02f62

SHA1
b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

SHA256
f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

SHA512
965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

Download Submit
C:\Windows\iaccess32.exe

Filesize
123KB

MD5
2193771af7f9f7192c625b47379e7f0e

SHA1
383845375e171741bf6ad998a2a670f00b2cfdc7

SHA256
9530bf2e1a5cf414740844ba1996bba87d57f0494fc327d4f9ffb85c4e0bfad2

SHA512
53677a88d2a7b7a83acd84f2505c4f76342c4a6085091b80d23c398e7eeea0a5755135a72138ea063f13f0295a17048a16b82e4cefc58d780689ef271bea0cef

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/792-78-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-82-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-45-0x0000000002280000-0x0000000002290000-memory.dmp

Filesize
64KB

Download
memory/792-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-77-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-79-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-80-0x0000000002280000-0x0000000002290000-memory.dmp

Filesize
64KB

Download
memory/792-81-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-83-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-84-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-86-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2292-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2292-8-0x00000000004B0000-0x00000000004DE000-memory.dmp

Filesize
184KB

Download
memory/2292-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2860-32-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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