038b38ff61f3a9018c910e24a7c5f1866fd167d52f55a2311c9a4932e5750aff

General

Target

b4179a12d153eca9ea09164b2988683a_JaffaCakes118.exe
Size

126KB
MD5

b4179a12d153eca9ea09164b2988683a
SHA1

cd103243e3706ec5e3f78dd7cb75d7a73c54e2b7
SHA256

038b38ff61f3a9018c910e24a7c5f1866fd167d52f55a2311c9a4932e5750aff
SHA512

af97b8432b4bb1ee51543b823feac9d7cf2b894ded55c6a7a1eda8bc9fe5c39c73d8e7a6317e5917ccb53c199040523bfcada5007df2896749655f0fa59dcb24
SSDEEP

3072:teSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLsMeDLe:tVYrJrOSsRwcpwS

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-1-5-21-4182098368-2521458979-3782681353-1000\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/0x0007000000023480-23.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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
2452	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
1316	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3248-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000800000002346c-3.dat	upx
behavioral2/memory/2452-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3248-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023480-23.dat	upx
behavioral2/memory/1316-25-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/2452-53-0x0000000000400000-0x000000000042E000-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 9 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\Multi\20110112100129\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110112100129\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110112100129\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110112100129\medias\dialer.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110112100129\js\js_api_dialer.php	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 opened for modification	C:\Program Files (x86)\Instant Access\Center\NoCreditCard.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110112100129\Common\module.php	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\iaccess32.exe	b4179a12d153eca9ea09164b2988683a_JaffaCakes118.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	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4179a12d153eca9ea09164b2988683a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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
5004	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3248	b4179a12d153eca9ea09164b2988683a_JaffaCakes118.exe
2452	iaccess32.exe
2452	iaccess32.exe
2452	iaccess32.exe
2452	iaccess32.exe
2452	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 2452	3248	b4179a12d153eca9ea09164b2988683a_JaffaCakes118.exe	84
PID 3248 wrote to memory of 2452	3248	b4179a12d153eca9ea09164b2988683a_JaffaCakes118.exe	84
PID 3248 wrote to memory of 2452	3248	b4179a12d153eca9ea09164b2988683a_JaffaCakes118.exe	84
PID 2452 wrote to memory of 5004	2452	iaccess32.exe	86
PID 2452 wrote to memory of 5004	2452	iaccess32.exe	86
PID 2452 wrote to memory of 5004	2452	iaccess32.exe	86
PID 2452 wrote to memory of 1316	2452	iaccess32.exe	87
PID 2452 wrote to memory of 1316	2452	iaccess32.exe	87
PID 2452 wrote to memory of 1316	2452	iaccess32.exe	87

C:\Users\Admin\AppData\Local\Temp\b4179a12d153eca9ea09164b2988683a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b4179a12d153eca9ea09164b2988683a_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3248
- 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:2452
- - 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:5004
- - 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:1316

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:640

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:\Program Files (x86)\Instant Access\Multi\20110112100129\dialerexe.ini

Filesize
616B

MD5
17f3ce71f1adb02e9ee92904343da577

SHA1
f6cc7ecaf27a5a0bf185c87daa8b3b461c587a03

SHA256
44afbdbabae57c08744bbd7bae914bb06248991f99fc6618a6f3ae44acc93714

SHA512
95fdfda0928309c7184c36ed06927a2b851fa16411da0f02eccb493a80bfe041836988c3ae7af1380f5fb04c943e65058e5161e0eaf2426501d18ee34961b1f0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\NoCreditCard.lnk

Filesize
2KB

MD5
c869cbe458069098fe90ba0144d46ff7

SHA1
2b5e9125ade144718effd5dde623a6c15dba8d6d

SHA256
5a439a0c9b03602ece65aa712eb207ec58b6bf7fa869deca6bb3e0af34790752

SHA512
3c4d4acc3bf8190bf3722874dcb3e45b28fb5b2450c2620a83e9f2a198677380392547b729642164a3e21accdd49ce889ada214bf4d0c6c6cfd292362648474f

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

Filesize
2KB

MD5
4d114d3333b257f43a02d7d2c2f47ec4

SHA1
2e287c67880be2689e24919873ce8c7a2feb4427

SHA256
26def2bef4cc0acbfcaaf04c1cd922937c51ad20b42f32511b5efb24a4504f39

SHA512
1b484a5d9f1a17fa6fd9b35e394d89b2ffb43ea676ed8e805bcad086b0cd57e5a0937bbd302e75eb9fe227005354a186dac550ae7dd6ecedf802b4a3587b5a4e

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
126KB

MD5
f689487b9bfe149e9819c027940e5ecf

SHA1
ad4aa886fba5dfa2558882edcadcc864a673be5d

SHA256
4aed6f73622cb0721388fa6affb9443d36f552d02a8fd2d5a82f13bb0460dd55

SHA512
8b040d06b9153f1768091944b881010893d6188ccbf6aaae03206fd365fc1926fda169243f98a9c179bc604a614bc7c5291bd0015a74753d2c7ec2c049614a6e

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1316-25-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2452-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2452-53-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3248-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3248-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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