97f7525461aef55891c5bd9aa7b690f74dd928d376c4bb42a1d776442a4a5837

General

Target

217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe
Size

123KB
MD5

217c609d7b52de707bdfcccc374217d6
SHA1

d6b1e6400a8a02321a1e8bc7bb7bb777cb813137
SHA256

97f7525461aef55891c5bd9aa7b690f74dd928d376c4bb42a1d776442a4a5837
SHA512

6bd28d82cc109b1cb3506332a84473ad38cd558035e131c85566ab1c83e894516e4b4f0907236e12d013d1f732378e2ed3a347fbe0b50712fc2a59da7878e0c2
SSDEEP

3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLK8fJS:uVYrJrOSsRwcpo8fJS

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-1-5-21-1337824034-2731376981-3755436523-1000\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/0x000700000002340a-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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
1848	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
5056	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4132-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-5.dat	upx
behavioral2/memory/4132-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1848-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000700000002340a-27.dat	upx
behavioral2/memory/1848-55-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1848-61-0x0000000000400000-0x000000000042E000-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\20100624070617\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e_logo_2.gif	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\20100624070617\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100624070617\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100624070617\dialerexe.ini	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\20100624070617\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100624070617\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	217c609d7b52de707bdfcccc374217d6_JaffaCakes118.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 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}	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
3464	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4132	217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe
1848	iaccess32.exe
1848	iaccess32.exe
1848	iaccess32.exe
1848	iaccess32.exe
1848	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 1848	4132	217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe	80
PID 4132 wrote to memory of 1848	4132	217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe	80
PID 4132 wrote to memory of 1848	4132	217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe	80
PID 1848 wrote to memory of 3464	1848	iaccess32.exe	81
PID 1848 wrote to memory of 3464	1848	iaccess32.exe	81
PID 1848 wrote to memory of 3464	1848	iaccess32.exe	81
PID 1848 wrote to memory of 5056	1848	iaccess32.exe	82
PID 1848 wrote to memory of 5056	1848	iaccess32.exe	82
PID 1848 wrote to memory of 5056	1848	iaccess32.exe	82

C:\Users\Admin\AppData\Local\Temp\217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4132
- 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 data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1848
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:3464
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:5056

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:4648

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\NOCREDITCARD.lnk

Filesize
2KB

MD5
683d61119f0169dce3b4500c8606fbf0

SHA1
74c990a25a2b743147489f101f278992cf84a503

SHA256
3bca15c2aa36750c1cc85b37c021cddfb17f561715f509d65c05b544eab541e1

SHA512
5fb10326cac60b36267e126d4cb0dddf4238acb9314a7a59deb7127a5679586dd5df184b64f65e0db9ab6c8faff26504350e08cdd85438ffdd76ab90f4164d9a

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

Filesize
2KB

MD5
683b6e4c1954880397d59e25330c3a1a

SHA1
14c461932bbf8078e9c088912f9f10a4a29bea3b

SHA256
e729aef60d1e9e9f723a36bb57e01b53ebe3c259302cfa3f7da1e0146d6eacc0

SHA512
dc1b83893e09fd307899f189f28b83eea2bd76251644837d17ce14b0aca5da99a2742dac72573c270989eeeb4efe4fced7c2d592548d954ae4f9a0063471f044

Download Submit
C:\Windows\SysWOW64\egaccess4_1071.dll

Filesize
76KB

MD5
b83f652ffa76451ae438954f89c02f62

SHA1
b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

SHA256
f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

SHA512
965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

Download Submit
C:\Windows\dialerexe.ini

Filesize
587B

MD5
478c6732cbda9f9ddf5ada5512bd25e0

SHA1
6294e03b5d4c2dc948f3c93de3b8b7b2df752f18

SHA256
5c6b3b423ddc1c1de3210855150a511ecb0f160abcc57d69b7584e7094726389

SHA512
381750cdcdc353d2d6df2003093ea5675c3cd09236aa5c2d9a95b7959c028102a65ceb2bc87f2f8ea1fc09f2f3bccb0a29222c3af11662bb1423b2e87e04be5b

Download Submit
C:\Windows\iaccess32.exe

Filesize
123KB

MD5
0f8953e823f5381d276e52ce4e630e47

SHA1
fcdbd604d78d84c16ecf4fb809903191c3003d61

SHA256
454528266e761d682d46f582d6d66b91317162fc5e4156d97db5a8c4ba762581

SHA512
57f3e739afe20fef05731cdcb04b2a9b818fa062a5af4326c7caab58c9b3ebaa72bf808e3a1fc0c89726267cdbf5e9bd5acafdc2aa08b9429e6fca5e77ed2816

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1848-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1848-55-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1848-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4132-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4132-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5056-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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