7dfb2396a56ca68b20a442000772bd3d55883c0983b287abc3a274faf05245c2

General

Target

44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe
Size

123KB
MD5

44d11cf23e5bfe83fc34cf0ccfcc5d1e
SHA1

c4a68d0899fbf75a4964df51efd4c291b703b9c1
SHA256

7dfb2396a56ca68b20a442000772bd3d55883c0983b287abc3a274faf05245c2
SHA512

4e8ae6197cc873b8a27290a3a3f72fbeba7eb51ba552f3f324761dfd97bcf8d945cbb47e4b7ca5f012ec5509b94a05a47bd94ed33fbf4daa8c56cefa1a4a0ba1
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLL7ReDmlP:OVYrJrOSsRwcpdGo

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/0x0005000000019476-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
1028	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2836	regsvr32.exe
1028	iaccess32.exe
1028	iaccess32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3036-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/3036-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a000000012233-7.dat	upx
behavioral1/memory/1028-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0005000000019476-30.dat	upx
behavioral1/memory/2836-32-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/1028-86-0x0000000000400000-0x000000000042E000-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\20100713100747\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713100747\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713100747\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713100747\medias\p2e.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100713100747\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713100747\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713100747\medias\p2e_go_3.gif	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\20100713100747\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713100747\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713100747\dialerexe.ini	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	44d11cf23e5bfe83fc34cf0ccfcc5d1e.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 1 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

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
2664	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3036	44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe
1028	iaccess32.exe
1028	iaccess32.exe
1028	iaccess32.exe
1028	iaccess32.exe
1028	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 1028	3036	44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe	28
PID 3036 wrote to memory of 1028	3036	44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe	28
PID 3036 wrote to memory of 1028	3036	44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe	28
PID 3036 wrote to memory of 1028	3036	44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe	28
PID 1028 wrote to memory of 2664	1028	iaccess32.exe	29
PID 1028 wrote to memory of 2664	1028	iaccess32.exe	29
PID 1028 wrote to memory of 2664	1028	iaccess32.exe	29
PID 1028 wrote to memory of 2664	1028	iaccess32.exe	29
PID 1028 wrote to memory of 2836	1028	iaccess32.exe	30
PID 1028 wrote to memory of 2836	1028	iaccess32.exe	30
PID 1028 wrote to memory of 2836	1028	iaccess32.exe	30
PID 1028 wrote to memory of 2836	1028	iaccess32.exe	30
PID 1028 wrote to memory of 2836	1028	iaccess32.exe	30
PID 1028 wrote to memory of 2836	1028	iaccess32.exe	30
PID 1028 wrote to memory of 2836	1028	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe
"C:\Users\Admin\AppData\Local\Temp\44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3036
- 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:1028
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2664
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2836

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\20100713100747\dialerexe.ini

Filesize
587B

MD5
375e5c0f7a81a40babb7f1cc6365a332

SHA1
bb9a44a5659b9d74dd58b2fc7c8a6b898efb8c18

SHA256
fd93e99d625a376935705d8734732f9a105f27cf1cb66eb847759aac6834e3bf

SHA512
97fbf16e71bf760ed0a3a00f5d9006c4808db3c15373d5f96caa35fd5bbe0b2b3e68903db61e70d0c56488870ee7185ce6d0c94c5423456649ef077f22ce71c7

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
a2f7d0926fec6523940def2573ee8d12

SHA1
d6a6512899a47261cc5a7bfb5be31a9869d827d7

SHA256
f47f58127c4d63c39e70b4d5233ce140b9b92adcc360e099156556984bb25913

SHA512
76157aecf904acdd83b3fb0e02d50e3d9e0277c7369b4f98f2cb242c36c45fc530410e44ef8e8c9ce5bb82259811a009b8c0a02d4fae823065c0367fd7d823b1

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1028-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1028-53-0x0000000000800000-0x0000000000810000-memory.dmp

Filesize
64KB

Download
memory/1028-57-0x0000000000800000-0x0000000000810000-memory.dmp

Filesize
64KB

Download
memory/1028-86-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1028-90-0x0000000000800000-0x0000000000810000-memory.dmp

Filesize
64KB

Download
memory/2836-32-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2836-89-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3036-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3036-8-0x0000000000300000-0x000000000032E000-memory.dmp

Filesize
184KB

Download
memory/3036-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3036-88-0x0000000000300000-0x000000000032E000-memory.dmp

Filesize
184KB

Download

Analysis

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