343fc3dfb81201bf2fe3c5c53673120a4f5ab800a427acd2e594439b1fb4908f

General

Target

f60f9caa09b22ca9fb8401112496b842_JaffaCakes118.exe
Size

183KB
MD5

f60f9caa09b22ca9fb8401112496b842
SHA1

9a24baf8b25a91c0533c9eb58cb1d56bb318cc7a
SHA256

343fc3dfb81201bf2fe3c5c53673120a4f5ab800a427acd2e594439b1fb4908f
SHA512

3226be60c2a4002125e2f54a16ff5cee2bb210a0eb7946cc3e9f63ddc2c7a64bb80050ea1b286df80192460e2025c62e030d160b3d51c9e1fb828e69c136273f
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVs:Eazq3aipalYuhoao5sQkzHbHs

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-1-5-21-1302416131-1437503476-2806442725-1000\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/0x000700000002344f-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
468	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
4772	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/4340-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00090000000233dc-3.dat	upx
behavioral2/memory/468-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4340-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000700000002344f-26.dat	upx
behavioral2/memory/4772-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/468-54-0x0000000000400000-0x000000000042E000-memory.dmp	upx

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\20110123040124\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123040124\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123040124\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123040124\medias\p2e.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110123040124\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123040124\instant access.exe	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\20110123040124\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123040124\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123040124\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123040124\dialerexe.ini	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	f60f9caa09b22ca9fb8401112496b842_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

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	f60f9caa09b22ca9fb8401112496b842_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 Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\IESettingSync	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
2184	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4340	f60f9caa09b22ca9fb8401112496b842_JaffaCakes118.exe
468	iaccess32.exe
468	iaccess32.exe
468	iaccess32.exe
468	iaccess32.exe
468	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 468	4340	f60f9caa09b22ca9fb8401112496b842_JaffaCakes118.exe	82
PID 4340 wrote to memory of 468	4340	f60f9caa09b22ca9fb8401112496b842_JaffaCakes118.exe	82
PID 4340 wrote to memory of 468	4340	f60f9caa09b22ca9fb8401112496b842_JaffaCakes118.exe	82
PID 468 wrote to memory of 2184	468	iaccess32.exe	83
PID 468 wrote to memory of 2184	468	iaccess32.exe	83
PID 468 wrote to memory of 2184	468	iaccess32.exe	83
PID 468 wrote to memory of 4772	468	iaccess32.exe	84
PID 468 wrote to memory of 4772	468	iaccess32.exe	84
PID 468 wrote to memory of 4772	468	iaccess32.exe	84

C:\Users\Admin\AppData\Local\Temp\f60f9caa09b22ca9fb8401112496b842_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f60f9caa09b22ca9fb8401112496b842_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4340
- 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 Internet Explorer settings
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:468
- - 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:2184
- - 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:4772

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3028

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

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
b89185f3f46434162c40f6124356a0b0

SHA1
c5af047d8afc29513e7870ec238668cddac03b93

SHA256
3c93d80c583da06d1988cdc4fc5e2228b5312024452fb1a622dcf8f7ff7068f5

SHA512
313a9415bd4d6a79ec576864bc292e88256b0029665731d9817030fc3e0239dc2296d795af4467a52c709e8327875e91eb3f48ea3ed90eb3f24cd81d09d3c4fd

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110123040124\dialerexe.ini

Filesize
606B

MD5
b47a2ad663c73de46e361032436862dd

SHA1
1bd8286e4f13c65aeec4f9db989a2cc5b87caff1

SHA256
13b0a19c7865c963179e1d8d94c7c1ac8705de7c7176e17996f3c807b93064e6

SHA512
90b01c6085c2eedc1ef4a75bd763261e0b6a6cd100b016006e0e4952c60f3cfea61646d821fafd454aa43df9d3b668b53b4c0bf2a2f70ccb650cf6b5efb8adc9

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
183KB

MD5
72537d188d2faedad5abbcc914acccea

SHA1
b483b8ba267e9ad654a1218d2717dee060173679

SHA256
2f3c29b6a1a47e00f0687e967e53f53685e70e7efb5c81a36b000c75cb9ea73d

SHA512
d7cbc5fe6bb41131a0c6def6d32c5c55002990d8429b21c99fd3657a289c49eb2376db84b8cbf2c259ddeab54f7b84aa483b1a371f9b7d34c2d00b4c820c6052

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/468-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/468-54-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4340-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4340-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4772-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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