79ef292c64f683e4a1f0f0617e9c4bae02efe89ad555292b35bc190efe8fc40b

General

Target

8275fc0d9355faab170909637574f0a0_JaffaCakes118.exe
Size

123KB
MD5

8275fc0d9355faab170909637574f0a0
SHA1

d535767af5f718bc0c863bb1256cb2060450191e
SHA256

79ef292c64f683e4a1f0f0617e9c4bae02efe89ad555292b35bc190efe8fc40b
SHA512

2f586235d3a3872269f22d2ade8669262bc36bdd01a6d68ffeee37deb90be48e863160551e10e29be7ad756bd694f6017e10c719c8dedc57115fceedca926cd3
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLMe:OVYrJrOSsRwcpqe

Score

8^/10

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-1-5-21-2878641211-696417878-3864914810-1000\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/0x0032000000023b5d-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
4404	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
3084	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\egaccess4_1071.dll	iaccess32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1688-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000b000000023b58-3.dat	upx
behavioral2/memory/4404-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1688-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0032000000023b5d-27.dat	upx
behavioral2/memory/3084-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/4404-57-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 13 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\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\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\medias\p2e.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20101209001229\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20101209001229\instant access.exe	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	8275fc0d9355faab170909637574f0a0_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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8275fc0d9355faab170909637574f0a0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iaccess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
4648	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1688	8275fc0d9355faab170909637574f0a0_JaffaCakes118.exe
4404	iaccess32.exe
4404	iaccess32.exe
4404	iaccess32.exe
4404	iaccess32.exe
4404	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 4404	1688	8275fc0d9355faab170909637574f0a0_JaffaCakes118.exe	84
PID 1688 wrote to memory of 4404	1688	8275fc0d9355faab170909637574f0a0_JaffaCakes118.exe	84
PID 1688 wrote to memory of 4404	1688	8275fc0d9355faab170909637574f0a0_JaffaCakes118.exe	84
PID 4404 wrote to memory of 4648	4404	iaccess32.exe	88
PID 4404 wrote to memory of 4648	4404	iaccess32.exe	88
PID 4404 wrote to memory of 4648	4404	iaccess32.exe	88
PID 4404 wrote to memory of 3084	4404	iaccess32.exe	89
PID 4404 wrote to memory of 3084	4404	iaccess32.exe	89
PID 4404 wrote to memory of 3084	4404	iaccess32.exe	89

C:\Users\Admin\AppData\Local\Temp\8275fc0d9355faab170909637574f0a0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8275fc0d9355faab170909637574f0a0_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688
- 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
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - System Location Discovery: System Language Discovery
    - Runs regedit.exe
    PID:4648
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:3084

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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
a829a6e5b008ec75901fc6c0595c8518

SHA1
5042762d8e33c620b1c15edb8bed583f922df659

SHA256
d6ce6850bb50c48e689aeb135e5f51818633b0bb0f12639cc6a4e4ce64b65abb

SHA512
9347fbc2e79dedb16373075680010c97794df15f25e0482ac215fd5b97ff32105ab850fc4256557fb649a31cd7601a5a48d61bf98e21b1b78d62342417d19af7

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20101209001229\dialerexe.ini

Filesize
668B

MD5
39dc5ad781d6a799fe5405186d61fb15

SHA1
029fa31b1c6239ebe8083f55311a36849892442e

SHA256
754876fdb3bbf8cbc3adbb585ab710a40d220a253c21b6fde1c37c821a04e377

SHA512
04d6085a8d175fe95e8ed89aa8e4e0bdd365d80432396a38afd5c5514bcfb8a3d32051ee8b2083b809fcc4da14b960f8dec719e66db4b4b79887517f2b9375db

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
1a363f2bc6b899083904eec40ec5980c

SHA1
2170247bb984e58b78f19e0a05a0a9f296987b34

SHA256
5e9fb7aa50cf65a7b928b041ae33f155ac26a7ed8b66e3465b2e4d405c6c42ad

SHA512
7e5253da5cc35f0df9f4c82d007e32389ac923e488045cedb506f1984843bfc3e504ff4edeaf0e1d14704f138a10f4e5c26475da405292eee8247ed78e975514

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1688-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1688-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3084-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4404-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4404-57-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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