23b01f570f9fe3a3aa15d9299849e8835133b37b9657d7a8fba3e70f0cea529e

General

Target

45d864301edbdb95bbf92d5f7c0acd72.exe
Size

123KB
MD5

45d864301edbdb95bbf92d5f7c0acd72
SHA1

a6e723170b5b60bb22e710db7564033979ae58cd
SHA256

23b01f570f9fe3a3aa15d9299849e8835133b37b9657d7a8fba3e70f0cea529e
SHA512

a6503f98744e4b1390e22c2f2f7df4ca65e59369a6cc8c96d350d5463421da20dae1bda48e54c49eb3d1489abb65838a3edf6dea4fd5d67f9697d995f9e5a8bc
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLhL4ucv:OVYrJrOSsRwcpXLN4

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/0x0006000000016fb9-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2840	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2696	regsvr32.exe
2840	iaccess32.exe
2840	iaccess32.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2448-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000900000001225c-5.dat	upx
behavioral1/memory/2448-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2840-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0006000000016fb9-30.dat	upx
behavioral1/memory/2696-31-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/2840-43-0x00000000020C0000-0x00000000020D0000-memory.dmp	upx
behavioral1/memory/2840-73-0x0000000000400000-0x000000000042E000-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\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\medias\p2e.ico	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\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100713040758\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713040758\instant access.exe	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	45d864301edbdb95bbf92d5f7c0acd72.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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe

Modifies registry class 4 IoCs

description	ioc	Process
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
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

Runs regedit.exe 1 IoCs

pid	Process
2756	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2448	45d864301edbdb95bbf92d5f7c0acd72.exe
2840	iaccess32.exe
2840	iaccess32.exe
2840	iaccess32.exe
2840	iaccess32.exe
2840	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2840	2448	45d864301edbdb95bbf92d5f7c0acd72.exe	28
PID 2448 wrote to memory of 2840	2448	45d864301edbdb95bbf92d5f7c0acd72.exe	28
PID 2448 wrote to memory of 2840	2448	45d864301edbdb95bbf92d5f7c0acd72.exe	28
PID 2448 wrote to memory of 2840	2448	45d864301edbdb95bbf92d5f7c0acd72.exe	28
PID 2840 wrote to memory of 2756	2840	iaccess32.exe	29
PID 2840 wrote to memory of 2756	2840	iaccess32.exe	29
PID 2840 wrote to memory of 2756	2840	iaccess32.exe	29
PID 2840 wrote to memory of 2756	2840	iaccess32.exe	29
PID 2840 wrote to memory of 2696	2840	iaccess32.exe	30
PID 2840 wrote to memory of 2696	2840	iaccess32.exe	30
PID 2840 wrote to memory of 2696	2840	iaccess32.exe	30
PID 2840 wrote to memory of 2696	2840	iaccess32.exe	30
PID 2840 wrote to memory of 2696	2840	iaccess32.exe	30
PID 2840 wrote to memory of 2696	2840	iaccess32.exe	30
PID 2840 wrote to memory of 2696	2840	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\45d864301edbdb95bbf92d5f7c0acd72.exe
"C:\Users\Admin\AppData\Local\Temp\45d864301edbdb95bbf92d5f7c0acd72.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2448
- 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:2840
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2756
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2696

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\20100713040758\dialerexe.ini

Filesize
587B

MD5
792d670be25bd24488a0f5ee196f266b

SHA1
5472f5b6e1cfd95beffa2b26878d68ee71df9a8c

SHA256
0744faa8f4c89c390aa8270de8f9414fdc56ab959834e233b8b7fabef7754959

SHA512
dc6eec4e8d27d6ba0abac6b3d0a21a27fa561271691f7df2122b540fd5912055e1718b7ca7894f7805a7d6c2a85867d3239cc115ea8cab525b540b0113999438

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

Filesize
2KB

MD5
78270273e6f328963a117fef8dfe1084

SHA1
bae85845e1399ddbc4e90447b1a91687b5b47731

SHA256
a8746a596a9d9667d91ea1662cc4159bcbc3740494f341f81dca35f0ab716b5d

SHA512
4fea76652c77583c441a8bfe154d1264fd064686d556f4fb2bde3a1b79fcc4ce26c217728585116ac30e5a56f7bd456387af81d32a7c53bd69cf68e80275cc87

Download Submit
C:\Windows\iaccess32.exe

Filesize
123KB

MD5
09a1a9244cdca6e465a5c545ef2eb71a

SHA1
3bf8cae8d99b23353177e4cf9564f76418d646da

SHA256
8cea60a0e53a3281a37ca78eee59a96d4f756ceb70025ef57270994f79793d6d

SHA512
d603f508c8fd07214a4ecb37b21c238b727896ac85d98bd88b6592c37546afbd98521a60c123d27dda93b8cb112c417dece5e30ca704754ea15ff85ddff682c7

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
\Windows\SysWOW64\egaccess4_1071.dll

Filesize
76KB

MD5
b83f652ffa76451ae438954f89c02f62

SHA1
b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

SHA256
f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

SHA512
965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

Download Submit
memory/2448-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2448-74-0x0000000000300000-0x000000000032E000-memory.dmp

Filesize
184KB

Download
memory/2448-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2696-31-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2840-43-0x00000000020C0000-0x00000000020D0000-memory.dmp

Filesize
64KB

Download
memory/2840-53-0x00000000020C0000-0x00000000020D0000-memory.dmp

Filesize
64KB

Download
memory/2840-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2840-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2840-76-0x00000000020C0000-0x00000000020D0000-memory.dmp

Filesize
64KB

Download

Analysis

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