307e88219cc4449a43a298edb404275662eeb46c7bc814fd0a60f87ea576147b

General

Target

dc28c56931fbd028b72c55f75fae363b_JaffaCakes118.exe
Size

123KB
MD5

dc28c56931fbd028b72c55f75fae363b
SHA1

e19bda1bef0bcd1199d783784fdb595e595cc79b
SHA256

307e88219cc4449a43a298edb404275662eeb46c7bc814fd0a60f87ea576147b
SHA512

8d4f175f4c30aba31d0c302a443c75530afc2e649b4b179b6f540e3b23725f06b1b7a3d8405f1fa2de495cc4865b9d287095b3d18cf6f478eac4075624a24a89
SSDEEP

3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLL7HU7s:uVYrJrOSsRwcpxU7s

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/0x0007000000023506-27.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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
920	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
372	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2908-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00080000000234f3-3.dat	upx
behavioral2/memory/920-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2908-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023506-27.dat	upx
behavioral2/memory/372-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/920-57-0x0000000000400000-0x000000000042E000-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\20110120120117\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120117\medias\p2e_3_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110120120117\dialerexe.ini	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\20110120120117\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120117\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120117\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120117\medias\p2e_logo_2.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\20110120120117\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120117\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120117\instant access.exe	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	dc28c56931fbd028b72c55f75fae363b_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

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	dc28c56931fbd028b72c55f75fae363b_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
3492	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2908	dc28c56931fbd028b72c55f75fae363b_JaffaCakes118.exe
920	iaccess32.exe
920	iaccess32.exe
920	iaccess32.exe
920	iaccess32.exe
920	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 920	2908	dc28c56931fbd028b72c55f75fae363b_JaffaCakes118.exe	83
PID 2908 wrote to memory of 920	2908	dc28c56931fbd028b72c55f75fae363b_JaffaCakes118.exe	83
PID 2908 wrote to memory of 920	2908	dc28c56931fbd028b72c55f75fae363b_JaffaCakes118.exe	83
PID 920 wrote to memory of 3492	920	iaccess32.exe	87
PID 920 wrote to memory of 3492	920	iaccess32.exe	87
PID 920 wrote to memory of 3492	920	iaccess32.exe	87
PID 920 wrote to memory of 372	920	iaccess32.exe	88
PID 920 wrote to memory of 372	920	iaccess32.exe	88
PID 920 wrote to memory of 372	920	iaccess32.exe	88

C:\Users\Admin\AppData\Local\Temp\dc28c56931fbd028b72c55f75fae363b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc28c56931fbd028b72c55f75fae363b_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2908
- 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:920
- - 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:3492
- - 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:372

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:2952

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\20110120120117\dialerexe.ini

Filesize
668B

MD5
03c5d1c079c9b79160908fd45958856e

SHA1
088a99f52cd8916dafe0ea2da25cdde5628d405c

SHA256
1c87d54e32860ad1b0fee23e36e90536147faf70cfb12ba4bc89f273f2cb54eb

SHA512
3d6745514b012bd7fc05fc1e0b1d16607547a0b559cc6a9432dfd1064b11719ab32289b0fd92a35bc6fd7d383cc4f9428c7059a313326aac359d84a4953f4e61

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

Filesize
2KB

MD5
adc20e3cc8559b6321f28a1ed7d66eaa

SHA1
12a88018ebbe9ee8f8f2d931148cf007e0f8947f

SHA256
6bda86ef46627faf1d5aedd4acbffc2133226d8869ec7f6c1cccef3e7cabf672

SHA512
c63bcdc74182627d2b674c580661224ed5ddf04a674d4eb038c251bc573036c118a93f8b41673ea3bd2781e9c06b4b8cb8608ceb7054a3c4b77d4441dfb4e4b0

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

Filesize
2KB

MD5
4cc11132373204e1b63c445c88fc26b5

SHA1
6eabf807fa44ace0931e366f68f86a8fc7aaa2f7

SHA256
bf5cac57d0e1bad7c408fb6b61512d0214b6c6970e162484710e041cd65c576e

SHA512
4b4a2e767409523d0aedf4667fbeecb19a54d4b377b0664630b392c012d4a52c4f58437720ea504245ebeb9ce52369794e9054e49eff3b1b0b9bc0cf5229f334

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
c0eee6534c8088bc399092d81787edca

SHA1
becc36982b7beb0a4ceb0735652e37060ff6454e

SHA256
5ccb404597a335cb2ddb9b3d5185db91e559f490588b839926dd32fd177ad00a

SHA512
33c0531f78c85f99823fcc0e04c518cb78878f0354c31536091a0ba4637d6b4117496a127aadbf7d3a2a352e4326507296817a2e036d78a116f790ea180d6bc4

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/372-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/920-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/920-57-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2908-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2908-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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