2c748eef1b734ec9de399eac6e0a375180bdca06981eaa42f465d3cdbb3c0215

General

Target

440d10b21c273ebe7325f2998204d704.exe
Size

123KB
MD5

440d10b21c273ebe7325f2998204d704
SHA1

a6f9fb9e125d78c9165b7bbce2683d865432b517
SHA256

2c748eef1b734ec9de399eac6e0a375180bdca06981eaa42f465d3cdbb3c0215
SHA512

de3fd1ada1cfc04eda8dd6514c25d181fe58236b864559189e3ee2ac720e033184c79478236e0d62e98cfc98e6956f2c2f85563f462f5e3dbda0afbdba68d707
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLtrem:OVYrJrOSsRwcpTl

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/0x0006000000017535-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2600	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2740	regsvr32.exe
2600	iaccess32.exe
2600	iaccess32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1204-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1204-6-0x0000000000370000-0x000000000039E000-memory.dmp	upx
behavioral1/memory/1204-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00090000000120e1-7.dat	upx
behavioral1/memory/2600-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0006000000017535-30.dat	upx
behavioral1/memory/2600-80-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-81-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-83-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-85-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-86-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-93-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-94-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-95-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-96-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2600-97-0x0000000000400000-0x000000000042E000-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 opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100712070749\dialerexe.ini	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\20100712070749\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712070749\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712070749\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712070749\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712070749\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712070749\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712070749\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712070749\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100712070749\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	440d10b21c273ebe7325f2998204d704.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 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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
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

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
608	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1204	440d10b21c273ebe7325f2998204d704.exe
2600	iaccess32.exe
2600	iaccess32.exe
2600	iaccess32.exe
2600	iaccess32.exe
2600	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 2600	1204	440d10b21c273ebe7325f2998204d704.exe	28
PID 1204 wrote to memory of 2600	1204	440d10b21c273ebe7325f2998204d704.exe	28
PID 1204 wrote to memory of 2600	1204	440d10b21c273ebe7325f2998204d704.exe	28
PID 1204 wrote to memory of 2600	1204	440d10b21c273ebe7325f2998204d704.exe	28
PID 2600 wrote to memory of 608	2600	iaccess32.exe	29
PID 2600 wrote to memory of 608	2600	iaccess32.exe	29
PID 2600 wrote to memory of 608	2600	iaccess32.exe	29
PID 2600 wrote to memory of 608	2600	iaccess32.exe	29
PID 2600 wrote to memory of 2740	2600	iaccess32.exe	30
PID 2600 wrote to memory of 2740	2600	iaccess32.exe	30
PID 2600 wrote to memory of 2740	2600	iaccess32.exe	30
PID 2600 wrote to memory of 2740	2600	iaccess32.exe	30
PID 2600 wrote to memory of 2740	2600	iaccess32.exe	30
PID 2600 wrote to memory of 2740	2600	iaccess32.exe	30
PID 2600 wrote to memory of 2740	2600	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\440d10b21c273ebe7325f2998204d704.exe
"C:\Users\Admin\AppData\Local\Temp\440d10b21c273ebe7325f2998204d704.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1204
- 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:2600
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:608
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2740

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

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Instant Access\Multi\20100712070749\dialerexe.ini

Filesize
587B

MD5
ec41c8a9179c292a06272d823dc976a8

SHA1
d16b47c18cf0a8f24019c5c4bd5f0dde66c4a047

SHA256
be4fd16accf4bff7a541a208e9f97c7d71fa3842e93b726e104c3011d9f67ae8

SHA512
a685b932c3804bf0b1cf29e0dc615156b555dd3a14983655c36e30bf40648a5d89a977462c4d5e6e1961a465eb491b55ebc1eefa0ff52b5db75c152e9e219676

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

Filesize
2KB

MD5
f43459b463738509632e6a30d318daba

SHA1
e22a7810d956263a7c8ba1bd751f7d15ef1b4acb

SHA256
ac851b17876cc474752709f1ceb357f0a0385b21842a34f0c0f8c92d4d1bb014

SHA512
5b4236cbc305c473e8405cfaf56af78ddf4485efbe72f34f96dfd3ea7802af13db7748fe342b2d01dbdba2d3c4b8be1d3192e4bb2ee8b34f19dac57a882a3378

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
0a37d24e444fd9ab722df3f2285a7c75

SHA1
c4bdce58b8e8bba1f4f9c0a2bd44d3c9357e7271

SHA256
eae55f954ff3fb48c3a81fdd78078e1db95fec2748d00833e071f9a33e4f940b

SHA512
7b5e7946e0f398183355beb16949633499d181cafe6685be0c70d72645e8497a1203428aeb7388b693f8f1b77642d7b4fffdd963b24213dc706b7a59e3f7f072

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1204-6-0x0000000000370000-0x000000000039E000-memory.dmp

Filesize
184KB

Download
memory/1204-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1204-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-85-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-96-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-57-0x0000000001E10000-0x0000000001E20000-memory.dmp

Filesize
64KB

Download
memory/2600-81-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-97-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-83-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-84-0x0000000001E10000-0x0000000001E20000-memory.dmp

Filesize
64KB

Download
memory/2600-45-0x0000000001E10000-0x0000000001E20000-memory.dmp

Filesize
64KB

Download
memory/2600-86-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-80-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-94-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2600-95-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2740-32-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2740-82-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

Sharing