f69a1671dad671987f755f832447cb5ef8d5aad806fe9931a68fdfbe7aa8224a

General

Target

b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe
Size

123KB
MD5

b7ef13b22307b1cf281b346b23947a42
SHA1

cb871cc86d187e942fa93ff0e5cf28a04eecff6a
SHA256

f69a1671dad671987f755f832447cb5ef8d5aad806fe9931a68fdfbe7aa8224a
SHA512

e234eef31aa188652729e48c90391724164aec0f7da7134f21fa40085e254bb40bcce39782cd020ee01b0f734b0a0c7fe38f2e72301093b023eb59fba6d0b83e
SSDEEP

3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLbh0BM:uVYrJrOSsRwcpz/

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-1-5-21-656926755-4116854191-210765258-1000\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/0x0007000000023464-27.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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
3748	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
1216	regsvr32.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/668-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00090000000233f1-3.dat	upx
behavioral2/memory/3748-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/668-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023464-27.dat	upx
behavioral2/memory/1216-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/3748-56-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3748-65-0x0000000000400000-0x000000000042E000-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\20110121150118\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e_1_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 created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110121150118\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\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	b7ef13b22307b1cf281b346b23947a42_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	b7ef13b22307b1cf281b346b23947a42_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
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
4216	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
668	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe
3748	iaccess32.exe
3748	iaccess32.exe
3748	iaccess32.exe
3748	iaccess32.exe
3748	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 3748	668	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe	84
PID 668 wrote to memory of 3748	668	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe	84
PID 668 wrote to memory of 3748	668	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe	84
PID 3748 wrote to memory of 4216	3748	iaccess32.exe	86
PID 3748 wrote to memory of 4216	3748	iaccess32.exe	86
PID 3748 wrote to memory of 4216	3748	iaccess32.exe	86
PID 3748 wrote to memory of 1216	3748	iaccess32.exe	88
PID 3748 wrote to memory of 1216	3748	iaccess32.exe	88
PID 3748 wrote to memory of 1216	3748	iaccess32.exe	88

C:\Users\Admin\AppData\Local\Temp\b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:668
- 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:3748
- - 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:4216
- - 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:1216

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:1828

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

Filesize
2KB

MD5
8d49be25f6809a53469a7e165f614ea3

SHA1
1814f95860982e6edae7fcbb92c9ae41544e4f7f

SHA256
3a67591e938b8ea7926175b42cacc69f276183b6f623ca43e7c816017a8bf6c7

SHA512
1e48694b9e2979ebdc8f1e99ec40735386034c3335941bf682c77c1dcef25d702153d2c14ddf405cd13eb77675e95a14066320441839c7f82bf0d89729ef31af

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

Filesize
2KB

MD5
1f15250aacbd3704e78bc5b78da2c090

SHA1
ee362434158d35d52633818f880518d4a60f4b83

SHA256
ee57afbe1799e4a835b0a674ff117e87185638f2a1f1f6af50a4d3cd8f2ee0aa

SHA512
88c595a4a8f3cb6eda44985984f1a21b8f3ca51eae433f550d0217f753c4df8f3b6895d12775ae0da3540582e9d0850033e10693991eefd06d850f8c318ed79d

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
670B

MD5
f5fb4be1b9310be5be8aa5e11ccd21c9

SHA1
5263ebec0984481ae10c46c98f6e7d6ff81db96a

SHA256
194dc21d8457c28122b950132c475418130b2f0de20eaa3b552ba314e090dd8d

SHA512
38177f2758e62863b6ff2eb7fd0e43cdc028ac19ccf1ebae8d91775b34cdbf79896d5db35bbe8154ea4765013ee2f232cc6c82a96930cfbbef5cb6effb01e4dd

Download Submit
C:\Windows\iaccess32.exe

Filesize
123KB

MD5
38a51e96b70fec993d48550325cd1e17

SHA1
394577af4b9cab8030973da0f2209adc9c762056

SHA256
ac5f733a632f75fbef2cd0b3b0b17420b2b836c0faa9e42fe9ac3dcba75f9913

SHA512
eed7e5c7f3cee6e2aaa95aae87ef2f78fb65bfaec910321009a0b16a8d1fdc162ef5eae9aff5ea85a17cc966d48866d93161097d5fad37bfb794636b419885d8

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/668-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/668-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1216-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3748-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3748-56-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3748-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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