03a4745f07ccd2cb0ba364f649ac03825e68652149c6edb94850200c129f915a

General

Target

231fdb7eb3961d419ed5c01de5cca9b1_JaffaCakes118.exe
Size

123KB
MD5

231fdb7eb3961d419ed5c01de5cca9b1
SHA1

7959517d185cd9cfc035e31918e282d323923586
SHA256

03a4745f07ccd2cb0ba364f649ac03825e68652149c6edb94850200c129f915a
SHA512

718930638c687e81a3b7e93d5175f800ef1abbcc784feb1cb512da0dc8646f3e485bf6bbf834a62040407f3c8f09f275b14eed149010656f9518e66983aa2396
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLL+BF:OVYrJrOSsRwcpgBF

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-1-5-21-4124900551-4068476067-3491212533-1000\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/0x0007000000023428-26.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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
4068	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
1220	regsvr32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4300-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000900000002328e-3.dat	upx
behavioral2/memory/4300-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4068-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023428-26.dat	upx
behavioral2/memory/4068-55-0x0000000000400000-0x000000000042E000-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\20110121000114\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121000114\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121000114\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121000114\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121000114\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121000114\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121000114\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121000114\medias\p2e_3_3.gif	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 opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110121000114\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121000114\instant access.exe	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	231fdb7eb3961d419ed5c01de5cca9b1_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
File created	C:\Windows\egdhtm_pack.epk	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
4448	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4300	231fdb7eb3961d419ed5c01de5cca9b1_JaffaCakes118.exe
4068	iaccess32.exe
4068	iaccess32.exe
4068	iaccess32.exe
4068	iaccess32.exe
4068	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 4068	4300	231fdb7eb3961d419ed5c01de5cca9b1_JaffaCakes118.exe	80
PID 4300 wrote to memory of 4068	4300	231fdb7eb3961d419ed5c01de5cca9b1_JaffaCakes118.exe	80
PID 4300 wrote to memory of 4068	4300	231fdb7eb3961d419ed5c01de5cca9b1_JaffaCakes118.exe	80
PID 4068 wrote to memory of 4448	4068	iaccess32.exe	81
PID 4068 wrote to memory of 4448	4068	iaccess32.exe	81
PID 4068 wrote to memory of 4448	4068	iaccess32.exe	81
PID 4068 wrote to memory of 1220	4068	iaccess32.exe	82
PID 4068 wrote to memory of 1220	4068	iaccess32.exe	82
PID 4068 wrote to memory of 1220	4068	iaccess32.exe	82

C:\Users\Admin\AppData\Local\Temp\231fdb7eb3961d419ed5c01de5cca9b1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\231fdb7eb3961d419ed5c01de5cca9b1_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4300
- 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:4068
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:4448
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:1220

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:2372

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

Filesize
2KB

MD5
8a2af1f1d425fda2b1f6531cb0933324

SHA1
9047f9d9da232f753b509192404d651cd08e2f87

SHA256
229b5578eec44e38d37578946f6189ce91734e9522e58ba9f760669c9047bd70

SHA512
746343d7a8c7c2ddea1da8b4a18a4c1f46954b461b0d7b8e44d9732bc96f204181a5f37f1f5d532770998d7289b93709098a5afb080a6ca45f2323128375981e

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110121000114\dialerexe.ini

Filesize
668B

MD5
1a816e8fca27305e186093caf103a9c1

SHA1
7f20daea851c45e82d8fede54432836a8c129e8e

SHA256
1bcfe6394e16e79b85b95f2ffdb793f2207a3242339c5157ddfd3ef7aaceb264

SHA512
4193f7f6e1dd3beeab6000e83653897a51fff96c7b7cbb540e085757b7a32c1214edaabf3bcb33dbff1ad69e0962eb688fecec34cf7838ee44704d47b693f132

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
5e72e2a237fa227e273ae3f7b484a32f

SHA1
aaf73fc9f4f2336f6adb1b58c84623e30d807e98

SHA256
8da472b7cfa31d9be0b4e83e96ce2e6bdc937359b08564edab2e07acb245bc2c

SHA512
415f7c05cad43b07aedc6a72b3259a657105eb4d1d777a4ca51445b056a75b9c96385b4307997b1e04fc57dbddd6fe5502c1b32848677a5bbaf1f269e4264f02

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1220-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4068-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4068-55-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4300-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4300-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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