d80e80c3642d18d60bc69b9d44ea5c7807e70c44a5e8dcff71698ef16263be44

General

Target

5ff4e774892b07bd576040c2994ce633_JaffaCakes118.exe
Size

123KB
MD5

5ff4e774892b07bd576040c2994ce633
SHA1

b40b106cb000edf2c0e8b1b3af9d9714f01a87f6
SHA256

d80e80c3642d18d60bc69b9d44ea5c7807e70c44a5e8dcff71698ef16263be44
SHA512

09d6309cb2fbf23584f3ed7fae045bab709a95fe9f7732345dea671636600f12925dfefedc728326c0f1f962098bb470f9e041e750fda8c865d8e2c7b23283f5
SSDEEP

3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLHzn:uVYrJrOSsRwcphn

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-1-5-21-464762018-485119342-1613148473-1000\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/0x00070000000234bf-27.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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
3100	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
4368	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/788-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000900000002345b-3.dat	upx
behavioral2/memory/3100-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/788-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234bf-27.dat	upx
behavioral2/memory/4368-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/3100-59-0x0000000000400000-0x000000000042E000-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\20110119080112\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119080112\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119080112\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119080112\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119080112\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119080112\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\20110119080112\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119080112\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119080112\medias\p2e.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110119080112\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	5ff4e774892b07bd576040c2994ce633_JaffaCakes118.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-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	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
2516	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
788	5ff4e774892b07bd576040c2994ce633_JaffaCakes118.exe
3100	iaccess32.exe
3100	iaccess32.exe
3100	iaccess32.exe
3100	iaccess32.exe
3100	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 3100	788	5ff4e774892b07bd576040c2994ce633_JaffaCakes118.exe	84
PID 788 wrote to memory of 3100	788	5ff4e774892b07bd576040c2994ce633_JaffaCakes118.exe	84
PID 788 wrote to memory of 3100	788	5ff4e774892b07bd576040c2994ce633_JaffaCakes118.exe	84
PID 3100 wrote to memory of 2516	3100	iaccess32.exe	86
PID 3100 wrote to memory of 2516	3100	iaccess32.exe	86
PID 3100 wrote to memory of 2516	3100	iaccess32.exe	86
PID 3100 wrote to memory of 4368	3100	iaccess32.exe	87
PID 3100 wrote to memory of 4368	3100	iaccess32.exe	87
PID 3100 wrote to memory of 4368	3100	iaccess32.exe	87

C:\Users\Admin\AppData\Local\Temp\5ff4e774892b07bd576040c2994ce633_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5ff4e774892b07bd576040c2994ce633_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788
- 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:3100
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2516
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:4368

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:1876

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
bb328e5b7b0168382c0a6f3ca8c6e978

SHA1
d7b4f8a2300ebc6e0acad754d47a84b54b090238

SHA256
24583871dc4a2010f63ad486e78ded4396bd09f92d968e3dfb661c6ce3d42f7d

SHA512
fa4c4263b6378601091a4590fb1e539be9cd8e1e384d45438c1f3ea44aad0844119f25dd7f00471fdfe62aff252279d279344d19b1d90465dd28c777eddf7fd0

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110119080112\dialerexe.ini

Filesize
670B

MD5
10af50c1188eff98700720c4160e2aad

SHA1
3b4593f7b2abcdb3e589ace8e77329c358cbee83

SHA256
9b2709ab6d71c50fa1bb436237863e6ad624f5b2efc09cbd8491471254123a7f

SHA512
a3b27ecaddfeb3d1de9eb9e8121fdf545b9cd8867c314a7c6eef315fd2e4320928d3596185c59a1725289093b44953cee138165d7a5b4c55207282e25b485e11

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
48cfd6009466b5814b74c6b44c08b062

SHA1
dea4c1de92afa6b41d6d4ba23db39871f68fb3df

SHA256
93d3ebd6c6e6cee325f078f91573fd16d57153ad6c73214ae6c36058e16779b9

SHA512
80f2c0ab2750393e3a2327e294a10ff4dba6c5be22b8e64fb23973c9d7985ea34571e3b79ba891597b0312325517878bd945d643d702c07ca9342999deb61ef0

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/788-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/788-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3100-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3100-59-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4368-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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