26d01f93914f62450d70b08a44d569d750d8f380e8497a734c0d64fd2c1170c2

General

Target

dff2f6e48667205701f134849667ad75.exe
Size

123KB
MD5

dff2f6e48667205701f134849667ad75
SHA1

a04e25190ca03caf85e44138bb966b89d549f2be
SHA256

26d01f93914f62450d70b08a44d569d750d8f380e8497a734c0d64fd2c1170c2
SHA512

512abc79a87280575f6b8c12487c3ec100ddea73f9604ff1572ea61428538cbc1263cbcbe6259bc984abb68af1b3d4bedff70924902904baf7484651f64f6a8f
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLScg:OVYrJrOSsRwcpIN

Score

8^/10

upx

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 1 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-1-5-21-3808065738-1666277613-1125846146-1000\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
behavioral2/files/0x0007000000023273-28.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
804	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
1764	regsvr32.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1728-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1728-1-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000700000002325b-4.dat	upx
behavioral2/memory/804-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1728-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/804-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023273-28.dat	upx
behavioral2/memory/1764-30-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/804-41-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/804-57-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/804-60-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/804-63-0x0000000000400000-0x000000000042E000-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\20100704150738\Common\module.php	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\20100704150738\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100704150738\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100704150738\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100704150738\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100704150738\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100704150738\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100704150738\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100704150738\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100704150738\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	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	dff2f6e48667205701f134849667ad75.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 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\À	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
4040	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1728	dff2f6e48667205701f134849667ad75.exe
804	iaccess32.exe
804	iaccess32.exe
804	iaccess32.exe
804	iaccess32.exe
804	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 804	1728	dff2f6e48667205701f134849667ad75.exe	98
PID 1728 wrote to memory of 804	1728	dff2f6e48667205701f134849667ad75.exe	98
PID 1728 wrote to memory of 804	1728	dff2f6e48667205701f134849667ad75.exe	98
PID 804 wrote to memory of 4040	804	iaccess32.exe	103
PID 804 wrote to memory of 4040	804	iaccess32.exe	103
PID 804 wrote to memory of 4040	804	iaccess32.exe	103
PID 804 wrote to memory of 1764	804	iaccess32.exe	104
PID 804 wrote to memory of 1764	804	iaccess32.exe	104
PID 804 wrote to memory of 1764	804	iaccess32.exe	104

C:\Users\Admin\AppData\Local\Temp\dff2f6e48667205701f134849667ad75.exe
"C:\Users\Admin\AppData\Local\Temp\dff2f6e48667205701f134849667ad75.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:804
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:4040
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:1764

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3352

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4220 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:4760

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk

Filesize
2KB

MD5
abda89cd607060cf034aa0560e2439c5

SHA1
b6c007bb58cae915cd4602faf3cb48afa5a1c0a9

SHA256
eebfeeb6b5f0f491e64500cd087bebab88d8c032a606255d8e16099f5b38844b

SHA512
fac86698adacde6b5ccd6229f5d2499157aa78e8aa5ff9850ead7b18c3547bcff1f31c89d82213001bb6e216649b63ce028d5baba458099092c199798783a0f7

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20100704150738\dialerexe.ini

Filesize
587B

MD5
6639b732c411cbef7836cc1cc88e53e9

SHA1
4222278353c6dfe50db5b7926589bd4efb083386

SHA256
c2b4eb11e4977afb78069d8e67d498966b15a590d09a8543c07452f183fc910f

SHA512
c929b86ca59316e816575b33967cdc56940ee05bb0f03586e7a65332bfe7fe0ace2e0959f66b666856366672d2219f9764e73a263bfe8334582e7f7ef62b8e93

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
b43d1dcd1113d5bf93533edba94b31f0

SHA1
0b34cc43ef3d73df571a8c159411c92c67a68e05

SHA256
01fb9925a6319089279a7ad8239162db96d3fc9ad3f688372623578a5e3e53d2

SHA512
7373cf68ad8dd1cf30ec1db79a908ba8d06fb4767fc56528b4d25c2ff9e15f24d4fcab4c88985fc6e57335da5cb884c88bab2d79436ceb7ffaf0400231474082

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/804-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/804-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/804-41-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/804-57-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/804-60-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/804-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1728-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1728-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1728-1-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1764-30-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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