7e85c66482d4209bbf5706d1e1954549cc45ed4133b992abbcf36c27c1a5b9af

General

Target

42a5f085cb986c0b7687afc3b050e168.exe
Size

123KB
MD5

42a5f085cb986c0b7687afc3b050e168
SHA1

7538dcb9489b66b34ac5fe9d537c4bf0b1550700
SHA256

7e85c66482d4209bbf5706d1e1954549cc45ed4133b992abbcf36c27c1a5b9af
SHA512

4e39bb2e7af019788e5ce78d6d9f92ef6e550ad5312ce8a480f0635430e2affed3af886c6b15b6249f687445622dcad9b95d248d3980d9b5b4d3cb5cd5704ef5
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLM8M:OVYrJrOSsRwcpY

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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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/0x0005000000019340-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2756	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2708	regsvr32.exe
2756	iaccess32.exe
2756	iaccess32.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2256-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a000000012247-8.dat	upx
behavioral1/memory/2256-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2256-3-0x0000000000370000-0x000000000039E000-memory.dmp	upx
behavioral1/files/0x0005000000019340-30.dat	upx
behavioral1/memory/2708-32-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/2756-79-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-81-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-82-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-85-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-86-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-93-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-94-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-95-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-96-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-97-0x0000000000400000-0x000000000042E000-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 created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712210726\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712210726\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712210726\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712210726\instant access.exe	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\20100712210726\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712210726\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712210726\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712210726\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712210726\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100712210726\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\dialexe.zl	iaccess32.exe
File created	C:\Windows\dialexe.epk	iaccess32.exe
File created	C:\Windows\dialerexe.ini	iaccess32.exe
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe
File created	C:\Windows\iaccess32.exe	42a5f085cb986c0b7687afc3b050e168.exe
File created	C:\Windows\tmlpcert2007	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 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	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
2788	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2256	42a5f085cb986c0b7687afc3b050e168.exe
2756	iaccess32.exe
2756	iaccess32.exe
2756	iaccess32.exe
2756	iaccess32.exe
2756	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2756	2256	42a5f085cb986c0b7687afc3b050e168.exe	28
PID 2256 wrote to memory of 2756	2256	42a5f085cb986c0b7687afc3b050e168.exe	28
PID 2256 wrote to memory of 2756	2256	42a5f085cb986c0b7687afc3b050e168.exe	28
PID 2256 wrote to memory of 2756	2256	42a5f085cb986c0b7687afc3b050e168.exe	28
PID 2756 wrote to memory of 2788	2756	iaccess32.exe	29
PID 2756 wrote to memory of 2788	2756	iaccess32.exe	29
PID 2756 wrote to memory of 2788	2756	iaccess32.exe	29
PID 2756 wrote to memory of 2788	2756	iaccess32.exe	29
PID 2756 wrote to memory of 2708	2756	iaccess32.exe	30
PID 2756 wrote to memory of 2708	2756	iaccess32.exe	30
PID 2756 wrote to memory of 2708	2756	iaccess32.exe	30
PID 2756 wrote to memory of 2708	2756	iaccess32.exe	30
PID 2756 wrote to memory of 2708	2756	iaccess32.exe	30
PID 2756 wrote to memory of 2708	2756	iaccess32.exe	30
PID 2756 wrote to memory of 2708	2756	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\42a5f085cb986c0b7687afc3b050e168.exe
"C:\Users\Admin\AppData\Local\Temp\42a5f085cb986c0b7687afc3b050e168.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- 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:2756
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2788
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2708

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\20100712210726\dialerexe.ini

Filesize
587B

MD5
5a6fa2e12af778d3239158db7a6ecdbe

SHA1
c75735bb1a9441558f1948390df57c7915bebca8

SHA256
98e1331eb2dd3ed03479c5d8bef8feac5efaa1f55f7cb26c0d21372161e6c397

SHA512
a178380f00e63a69cb21f61a9ce5c74d4fd677a503c95970f28ab9b5195ec3753fe5dd67cd0fc462bd45bf8294fabdb0f5581874c3cded76c4f22d0e6ee73656

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

Filesize
2KB

MD5
5a54a7616a2b1ed09e6b9261bbbec271

SHA1
1eee0f24c70a588d1703873616403682ca9d0490

SHA256
8b3a5f651d52cdb774f88a58c065e4483226169ebd5b2a05f2759429ff6c9b86

SHA512
a288e64d64ecdf75674fca036a6ee7c472574855e626898aec6fd631ae6f6f91b9b1c5826e916c6065b8fd76591efa4ead95e7798d22403861f293af5561c301

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
cd92dc9ce9371640f4db85851f23b073

SHA1
2d531e44aeaeb2b3eedc8ea7929644bfd406164b

SHA256
bef5ebcf822e6010fb495dfdca8bc0e551ff38e93682750d26f53865148d4032

SHA512
c2c134a94c2a45bd9b242230c558c164929a85e1830f4af611687977e48c776d8762a6173cd58d26a9af21321f96e9421f65e419e147d5342f947c5154b33170

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2256-80-0x0000000000370000-0x000000000039E000-memory.dmp

Filesize
184KB

Download
memory/2256-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2256-3-0x0000000000370000-0x000000000039E000-memory.dmp

Filesize
184KB

Download
memory/2256-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2708-83-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2708-32-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2756-82-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-81-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-45-0x0000000003180000-0x0000000003190000-memory.dmp

Filesize
64KB

Download
memory/2756-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-84-0x0000000003180000-0x0000000003190000-memory.dmp

Filesize
64KB

Download
memory/2756-85-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-86-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-79-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-94-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-95-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-96-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2756-97-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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