50dd0b8abea5688d7633b40d5722909535101cf816bff9b77a65cbb0764ac80d

General

Target

dfb302bfe2528e489185cc87b2227de3.exe
Size

123KB
MD5

dfb302bfe2528e489185cc87b2227de3
SHA1

ff7233ad153e909de680ba4ee447f79b440257db
SHA256

50dd0b8abea5688d7633b40d5722909535101cf816bff9b77a65cbb0764ac80d
SHA512

de75d925831a1fff402d1a60342e9126971ad2adb15ff7dcd2d75a82fc6bf4dd060d7e8210de59873fa71e78e9a69c19a231d789c4f41e157fa0c8242e51edf3
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLtK:OVYrJrOSsRwcpLK

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 (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\SystemCertificates\TrustedPublisher\Certificates\62119EF862C6B3A0D853419B87EB3E2F6C78640A\Blob = 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	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0006000000016f82-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2776	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2792	regsvr32.exe
2776	iaccess32.exe
2776	iaccess32.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000c000000012248-7.dat	upx
behavioral1/memory/2080-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0006000000016f82-30.dat	upx
behavioral1/memory/2776-77-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-79-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-80-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-82-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-83-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-84-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-86-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-93-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-94-0x0000000000400000-0x000000000042E000-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\Multi\20100709210709\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100709210709\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100709210709\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100709210709\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100709210709\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100709210709\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100709210709\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100709210709\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100709210709\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100709210709\dialerexe.ini	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

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	dfb302bfe2528e489185cc87b2227de3.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
File created	C:\Windows\egdhtm_pack.epk	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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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}\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
2640	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2080	dfb302bfe2528e489185cc87b2227de3.exe
2776	iaccess32.exe
2776	iaccess32.exe
2776	iaccess32.exe
2776	iaccess32.exe
2776	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2776	2080	dfb302bfe2528e489185cc87b2227de3.exe	28
PID 2080 wrote to memory of 2776	2080	dfb302bfe2528e489185cc87b2227de3.exe	28
PID 2080 wrote to memory of 2776	2080	dfb302bfe2528e489185cc87b2227de3.exe	28
PID 2080 wrote to memory of 2776	2080	dfb302bfe2528e489185cc87b2227de3.exe	28
PID 2776 wrote to memory of 2640	2776	iaccess32.exe	29
PID 2776 wrote to memory of 2640	2776	iaccess32.exe	29
PID 2776 wrote to memory of 2640	2776	iaccess32.exe	29
PID 2776 wrote to memory of 2640	2776	iaccess32.exe	29
PID 2776 wrote to memory of 2792	2776	iaccess32.exe	30
PID 2776 wrote to memory of 2792	2776	iaccess32.exe	30
PID 2776 wrote to memory of 2792	2776	iaccess32.exe	30
PID 2776 wrote to memory of 2792	2776	iaccess32.exe	30
PID 2776 wrote to memory of 2792	2776	iaccess32.exe	30
PID 2776 wrote to memory of 2792	2776	iaccess32.exe	30
PID 2776 wrote to memory of 2792	2776	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\dfb302bfe2528e489185cc87b2227de3.exe
"C:\Users\Admin\AppData\Local\Temp\dfb302bfe2528e489185cc87b2227de3.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2080
- 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:2776
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2640
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2792

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\20100709210709\dialerexe.ini

Filesize
587B

MD5
92fc8e9fba327cdca54390ada5742ec8

SHA1
18e2dce596c32419e094c67ec4279a2b98d8fc69

SHA256
2cc87510c8b99bc6ee815b8e721c99503b813e8976eab53f48160f7c04664d2a

SHA512
ce193bfa8102bc8f695edf7053799c2f1acca1f16658d9c91cacf7622e1041ea9f7ecf51abdbc0a4e36ee96e04edd96081d5cc0efda5a2070a3c806e7094eb2b

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

Filesize
2KB

MD5
c262edb92e1d469202e2e7f99f1a57ee

SHA1
5d43e14cde713a74071caeb6d7d5fb280c33803b

SHA256
11474b3b864b817ffdc1ed9f2382c1b6fa0a20111c750213f511aeb10f4ec428

SHA512
776e89eb02e7a7b1dd13531fce66903e991a089ea7cb90c5201194c5d22954b41d58359fa72197800a7cc245f5717295f51cc8194780446c8e1e72f2bc855ad9

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
e4ac874839b0cd83022fff3a714fa645

SHA1
324c680fb411734e1a059007f509134057dbfcdc

SHA256
cdd1ff98f0c6a12bf8cec67b59443fdb90f1f93e0ffc271888b663c1f62cc844

SHA512
87901dce853e5807f1197f369d0eb35e8248ee05f547ef9db9b48469491e3463f0c6707e5f9d1cf9680494faf7741cfd295a9922da0d497e6aebe057d2a98892

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2080-78-0x0000000000320000-0x000000000034E000-memory.dmp

Filesize
184KB

Download
memory/2080-8-0x0000000000320000-0x000000000034E000-memory.dmp

Filesize
184KB

Download
memory/2080-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2080-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-80-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-84-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-77-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-55-0x0000000001F80000-0x0000000001F90000-memory.dmp

Filesize
64KB

Download
memory/2776-79-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-81-0x0000000001F80000-0x0000000001F90000-memory.dmp

Filesize
64KB

Download
memory/2776-82-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-83-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-56-0x0000000001F80000-0x0000000001F90000-memory.dmp

Filesize
64KB

Download
memory/2776-86-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-94-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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