e24b2f218f2df63a1b9d077ca72ef95666fd949adcce85981102382bba50cecb

General

Target

0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe
Size

183KB
MD5

0950f35841d1aa42bf7b7ba119fa499d
SHA1

899c66dfda214b5a558e20e7031eb92e3648c440
SHA256

e24b2f218f2df63a1b9d077ca72ef95666fd949adcce85981102382bba50cecb
SHA512

49b2aa2866d715f341676b47682081fa78ad77368ff6a8d1ca19b5cfe950c329b797729e4a7a5655109b65036e9ccc3e365a5fc2d843fc32e9b592709116481d
SSDEEP

3072:kamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVB:kazq3aipalYuhoao5sQkzSi

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-1-5-21-2539840389-1261165778-1087677076-1000\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/0x00070000000233bf-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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
4448	regsvr32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1360-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000600000002326f-3.dat	upx
behavioral2/memory/1360-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2976-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000233bf-26.dat	upx
behavioral2/memory/2976-59-0x0000000000400000-0x000000000042E000-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\20110121230141\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110121230141\dialerexe.ini	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\20110121230141\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121230141\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121230141\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	0950f35841d1aa42bf7b7ba119fa499d_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

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
984	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1360	0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe
2976	iaccess32.exe
2976	iaccess32.exe
2976	iaccess32.exe
2976	iaccess32.exe
2976	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 2976	1360	0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe	80
PID 1360 wrote to memory of 2976	1360	0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe	80
PID 1360 wrote to memory of 2976	1360	0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe	80
PID 2976 wrote to memory of 984	2976	iaccess32.exe	81
PID 2976 wrote to memory of 984	2976	iaccess32.exe	81
PID 2976 wrote to memory of 984	2976	iaccess32.exe	81
PID 2976 wrote to memory of 4448	2976	iaccess32.exe	82
PID 2976 wrote to memory of 4448	2976	iaccess32.exe	82
PID 2976 wrote to memory of 4448	2976	iaccess32.exe	82

C:\Users\Admin\AppData\Local\Temp\0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360
- 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 data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2976
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:984
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:4448

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:1404

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

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
d7e01a96de91b04719cb6d5aec1b3dde

SHA1
d81b1444bd45c9fffe9e98b6ff58f508868246f3

SHA256
89531fc351e3e13d3f82d812173a0174e0eada515eb5f72be2590a3b7941901b

SHA512
3f01ddf8cf49cece4a643ed93e1c2286919d93bb30383453cb1406c98920b7cb71a4a1cb668ddb6bff2cef62b14349482a3ec89e031ed8844d640422d5910881

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110121230141\dialerexe.ini

Filesize
669B

MD5
d0ce3bfc4135993ae9582d1739e81bb7

SHA1
5707b3047d9cc3adb5ebb0c7780defa45f55d60e

SHA256
0ec5130732a23646a243936f60fe4ac68f78450ea5a1865eb3e8b3bc0495e19d

SHA512
e1c3df68d3f4f037ca47ce03542e5757f81149ddf67b7f14e4387a85993bfdcd1877a762a56281c932411564c4fee113f76ed68109d5e1c5791580296175e5e4

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
a32b2422812ac4937f8528de6a4d98f1

SHA1
3a71322a315787c02594505299ee4194ed21ee29

SHA256
aaf9cb6d463e0622c469557ecf68d5db19b7556f595eed44294de6b1a58095c1

SHA512
da0026a22b86868484f3ddca85c0a76086ab70cade215939ec106ddc1d280feb37fe661c01d0f347441a5a7c5abcdda583972636affa575a15202bb95cd30671

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1360-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1360-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2976-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2976-59-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4448-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4448-60-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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