8137558a5305c591c2c83d85db10d720f451849a197c00cc583ad1f8bf3eb3d5

General

Target

3ed01a5ccc5eeb9b1df2ec484a52fb5d_JaffaCakes118.exe
Size

183KB
MD5

3ed01a5ccc5eeb9b1df2ec484a52fb5d
SHA1

0c375f7d96503c8672b7aa17dfbad5767bdf5591
SHA256

8137558a5305c591c2c83d85db10d720f451849a197c00cc583ad1f8bf3eb3d5
SHA512

69b0b9797db673809318ed7f68e3413269e1e03b1cd57296a0b51688b97f10d8ba16dc50440e64e662068c6a11b7e6d11efbe1ca0e0f926df3d289734b343477
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVa:Eazq3aipalYuhoao5sQkzEkE

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/0x00070000000234cf-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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
2992	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
4788	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3752-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0009000000023461-3.dat	upx
behavioral2/memory/2992-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3752-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234cf-26.dat	upx
behavioral2/memory/4788-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/2992-58-0x0000000000400000-0x000000000042E000-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\20110203140256\Common\module.php	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110203140256\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110203140256\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110203140256\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110203140256\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110203140256\instant access.exe	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\20110203140256\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110203140256\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110203140256\medias\p2e_3_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\20110203140256\medias\p2e.ico	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	3ed01a5ccc5eeb9b1df2ec484a52fb5d_JaffaCakes118.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
2608	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3752	3ed01a5ccc5eeb9b1df2ec484a52fb5d_JaffaCakes118.exe
2992	iaccess32.exe
2992	iaccess32.exe
2992	iaccess32.exe
2992	iaccess32.exe
2992	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 2992	3752	3ed01a5ccc5eeb9b1df2ec484a52fb5d_JaffaCakes118.exe	85
PID 3752 wrote to memory of 2992	3752	3ed01a5ccc5eeb9b1df2ec484a52fb5d_JaffaCakes118.exe	85
PID 3752 wrote to memory of 2992	3752	3ed01a5ccc5eeb9b1df2ec484a52fb5d_JaffaCakes118.exe	85
PID 2992 wrote to memory of 2608	2992	iaccess32.exe	87
PID 2992 wrote to memory of 2608	2992	iaccess32.exe	87
PID 2992 wrote to memory of 2608	2992	iaccess32.exe	87
PID 2992 wrote to memory of 4788	2992	iaccess32.exe	88
PID 2992 wrote to memory of 4788	2992	iaccess32.exe	88
PID 2992 wrote to memory of 4788	2992	iaccess32.exe	88

C:\Users\Admin\AppData\Local\Temp\3ed01a5ccc5eeb9b1df2ec484a52fb5d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3ed01a5ccc5eeb9b1df2ec484a52fb5d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3752
- 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:2992
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2608
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:4788

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:2468

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

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Downloads

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

Filesize
2KB

MD5
3e569171b9cd0422ee842c3c33eaa2e2

SHA1
134fe995214e5aaca72dc7dbd411e6dfc514ec84

SHA256
2a8fc591f2c8d947794cf010b3f565a4f294a9f281753ba45362bfc48f877ee3

SHA512
42aa513b3c71fd20f30abdde2631829a38e8c2f4709177a63b4f3cb5e9cd00161bc0c2c92cdd6c48f2c6562dbdd8e03415f2bd5bb583c0085a4566a3c8167437

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110203140256\dialerexe.ini

Filesize
617B

MD5
7c585efe9f16442653daa569a6a2ce5e

SHA1
a3625ef5024ae097acf8605847c2b4d819804b30

SHA256
296bc63fb04983f08d989fd689c5bbd68451d68a704749b820310bcb4ec4c79c

SHA512
1cd8c8b7ad1156529c39738dd24c6b4754e9718813187f143406a620bf7d391a98b0d42ec17134e3323b075c1c9ce10520b61e030c1ce8fb6f7d29b73a0d085b

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
22672f4862ee9e1e8f2bd459b2c2f6be

SHA1
ece438ab21f8aee4cd8d3fd09134304b6c8d3a53

SHA256
baadaecda1807dbb32cfdf611b7cb02719fe3e86f0938655e4b8891660da3d32

SHA512
f44cb69d1411c87f43186a59f40a71d9739b42a7d6d0f075184305f499a67d64351f3fcc35b82305b0dea5ef57f91549e8651039bf790ad0cb2e01c6f46ef8e7

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2992-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2992-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3752-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3752-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4788-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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