c3c5cd71bdb033ed918f4b5735209faa2695d799de9cf67e7a20f123abf3acc5

General

Target

3ef314c0b4dbb8be7b432f1ce72cf8c8_JaffaCakes118.exe
Size

123KB
MD5

3ef314c0b4dbb8be7b432f1ce72cf8c8
SHA1

59b2885516e0f6da54e88bfc3f5fcaf54d2943fc
SHA256

c3c5cd71bdb033ed918f4b5735209faa2695d799de9cf67e7a20f123abf3acc5
SHA512

6d289dc686478f56e49b69537ec5ddbc23431fce7e5ef94d3ecd9eaae82a04bb4238d4b191f0346142a8cc09ce2bb678d82f2f15106f0905ae2a7f9d738d3f4c
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLL7tex:OVYrJrOSsRwcpJg

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-1-5-21-384068567-2943195810-3631207890-1000\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/0x00070000000234c2-27.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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
3128	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
1808	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1128-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0009000000023453-3.dat	upx
behavioral2/memory/1128-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3128-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234c2-27.dat	upx
behavioral2/memory/1808-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/3128-59-0x0000000000400000-0x000000000042E000-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\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123010122\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123010122\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123010122\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123010122\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123010122\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123010122\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123010122\medias\p2e_3_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110123010122\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\20110123010122\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123010122\medias\p2e_go_3.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	3ef314c0b4dbb8be7b432f1ce72cf8c8_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 Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\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}	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
4132	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1128	3ef314c0b4dbb8be7b432f1ce72cf8c8_JaffaCakes118.exe
3128	iaccess32.exe
3128	iaccess32.exe
3128	iaccess32.exe
3128	iaccess32.exe
3128	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 3128	1128	3ef314c0b4dbb8be7b432f1ce72cf8c8_JaffaCakes118.exe	83
PID 1128 wrote to memory of 3128	1128	3ef314c0b4dbb8be7b432f1ce72cf8c8_JaffaCakes118.exe	83
PID 1128 wrote to memory of 3128	1128	3ef314c0b4dbb8be7b432f1ce72cf8c8_JaffaCakes118.exe	83
PID 3128 wrote to memory of 4132	3128	iaccess32.exe	86
PID 3128 wrote to memory of 4132	3128	iaccess32.exe	86
PID 3128 wrote to memory of 4132	3128	iaccess32.exe	86
PID 3128 wrote to memory of 1808	3128	iaccess32.exe	87
PID 3128 wrote to memory of 1808	3128	iaccess32.exe	87
PID 3128 wrote to memory of 1808	3128	iaccess32.exe	87

C:\Users\Admin\AppData\Local\Temp\3ef314c0b4dbb8be7b432f1ce72cf8c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3ef314c0b4dbb8be7b432f1ce72cf8c8_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1128
- 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:3128
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:4132
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:1808

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:2920

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

Loading Replay Monitor...

Downloads

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

Filesize
2KB

MD5
976a4dcb39e34b7bbdf5da2c00985414

SHA1
44af037182c82d041848ba919674ee6bedc0cc77

SHA256
f43853be25b751c33cd0a797d46affc3678889b3f277dbb90e6220227c0b7b47

SHA512
28a282343eaaed98655c4376edcaf87c08fba9b81d2325c8aa6e00c49f3d42a6b336f1bd23eb1c797449cd752d5895d31288f5a59dc2b9fcd50e74084c1fc46e

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110123010122\dialerexe.ini

Filesize
668B

MD5
4c04c6ab5beb6595b2bdde5aa139d89a

SHA1
8641b3bb0840fa16e91f0548bb3d5da029794718

SHA256
c521ad839a51fac6a04324bc42b87cac9951f1644b4ee061149672e1e7595be0

SHA512
b3a5b801c1f1013a89aec9a36c76b5bcc7dc407b33c99549f3a0ab5b3ba616f30a46b032d530c4c3ad287e2e7a86b2de1f43261f7e98aa8eb1b2d4a78d8cfd9c

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
1e3a53d66e1aef45ce86c31f9680c5c5

SHA1
460ebd03df216819357f3587517a211366c2efa2

SHA256
cce31e5ccb1ffdaab724f87147618a68f121967b3166252236be5872f53c72e4

SHA512
4d295c1122c4235c778cae32ed3673d072159ffff8d38a2bf2b684b702c0efe7ff38413db7795f594d0c27a1ec54568ac6f4db8ee4d7519dbeac35c03b91fa0e

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1128-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1128-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1808-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3128-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3128-59-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing