8f6fd90359eee516228f1527b317fe86b9b9f37e0fcfdb6092fad4a6333bc4cb

General

Target

df65b9b8d9edfa61ca70e67b44ae9a0a.exe
Size

123KB
MD5

df65b9b8d9edfa61ca70e67b44ae9a0a
SHA1

6c546efaefd5d7127bd3f3c4f9668cf7613705f8
SHA256

8f6fd90359eee516228f1527b317fe86b9b9f37e0fcfdb6092fad4a6333bc4cb
SHA512

4160a87960a06b90584bacd7fd4c2adb2c24e79084654aada81d15798b476071796f6dd9409fec87be5f6fd68e7422c7b414ff82c011ebb4adb195606306e812
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLOoo:OVYrJrOSsRwcp2

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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\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/0x0006000000015c69-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2052	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2900	regsvr32.exe
2052	iaccess32.exe
2052	iaccess32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1252-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000b00000001224c-8.dat	upx
behavioral1/memory/2052-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1252-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1252-3-0x00000000005C0000-0x00000000005EE000-memory.dmp	upx
behavioral1/files/0x0006000000015c69-30.dat	upx
behavioral1/memory/2052-80-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-81-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-82-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-84-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-85-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-86-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-93-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-94-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-95-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2052-96-0x0000000000400000-0x000000000042E000-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\20100628040651\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100628040651\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\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\20100628040651\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_go_3.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\dialerexe.ini	iaccess32.exe
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe
File created	C:\Windows\iaccess32.exe	df65b9b8d9edfa61ca70e67b44ae9a0a.exe
File created	C:\Windows\tmlpcert2007	iaccess32.exe
File created	C:\Windows\dialexe.zl	iaccess32.exe
File created	C:\Windows\dialexe.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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\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
2152	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1252	df65b9b8d9edfa61ca70e67b44ae9a0a.exe
2052	iaccess32.exe
2052	iaccess32.exe
2052	iaccess32.exe
2052	iaccess32.exe
2052	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2052	1252	df65b9b8d9edfa61ca70e67b44ae9a0a.exe	28
PID 1252 wrote to memory of 2052	1252	df65b9b8d9edfa61ca70e67b44ae9a0a.exe	28
PID 1252 wrote to memory of 2052	1252	df65b9b8d9edfa61ca70e67b44ae9a0a.exe	28
PID 1252 wrote to memory of 2052	1252	df65b9b8d9edfa61ca70e67b44ae9a0a.exe	28
PID 2052 wrote to memory of 2152	2052	iaccess32.exe	29
PID 2052 wrote to memory of 2152	2052	iaccess32.exe	29
PID 2052 wrote to memory of 2152	2052	iaccess32.exe	29
PID 2052 wrote to memory of 2152	2052	iaccess32.exe	29
PID 2052 wrote to memory of 2900	2052	iaccess32.exe	30
PID 2052 wrote to memory of 2900	2052	iaccess32.exe	30
PID 2052 wrote to memory of 2900	2052	iaccess32.exe	30
PID 2052 wrote to memory of 2900	2052	iaccess32.exe	30
PID 2052 wrote to memory of 2900	2052	iaccess32.exe	30
PID 2052 wrote to memory of 2900	2052	iaccess32.exe	30
PID 2052 wrote to memory of 2900	2052	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\df65b9b8d9edfa61ca70e67b44ae9a0a.exe
"C:\Users\Admin\AppData\Local\Temp\df65b9b8d9edfa61ca70e67b44ae9a0a.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1252
- 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:2052
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2152
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2900

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\20100628040651\dialerexe.ini

Filesize
587B

MD5
87755ab24d47cf667839055c91ae65dc

SHA1
784fc088d59df8801a709fd6fc5eff3cd135b2a9

SHA256
261a449f7f40975bf6ce37d4bec7f5a38268287103a7e4845cd2b6b58e7d1520

SHA512
d609d78c6fdf26510439a43af91d3852aea45b7ff04e15fae92d2704690f81411c30bdd79285f18eb3ff3c425aa05bb6c75820dd52277a351aa74d4191ca3b20

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

Filesize
2KB

MD5
71069300f985e24af408a1356eca7bdc

SHA1
18bd49cbc8396b5dcaddd2be8cf5fbe8fef75e67

SHA256
ff1570b40d6a4c735e0ef7be064e7124828d9a3da37c75f85e06286aece235bc

SHA512
ef1718716bf0a3d0a4a8ef483206dc5d8070e3579c99140a41871b91cd4686ccb85d44106a095741f9c8d448e6e5f03a19903315e234f98b7ca9ffaad39c1a63

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
270e910f960cbcc3b4fd26fbfe8832b2

SHA1
0c2dc6c3900b99a608d2c994ed1473f58221ba62

SHA256
517d1f9c53991a965c8d3b5dc569a2eb0b854c1738a35d851334ca38af53b11e

SHA512
e529ffc733b19db9a935da09f05554e7ebb6dafcd3f0194416d4703498f56d0d1a42001723cc1d01a141f38133a7c4f26eb81a8e8c237ccf865a701156490a13

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1252-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1252-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1252-3-0x00000000005C0000-0x00000000005EE000-memory.dmp

Filesize
184KB

Download
memory/2052-82-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-85-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-57-0x0000000003140000-0x0000000003150000-memory.dmp

Filesize
64KB

Download
memory/2052-96-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-80-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-81-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-83-0x0000000003140000-0x0000000003150000-memory.dmp

Filesize
64KB

Download
memory/2052-84-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-45-0x0000000003140000-0x0000000003150000-memory.dmp

Filesize
64KB

Download
memory/2052-86-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-94-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-95-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2900-40-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

Sharing