2eaab3caecfc1e88a621b1559a067c74fea83c475938a877373be99d738601da

General

Target

d5ab3e45b78f3fb8a2331d20a127a753_JaffaCakes118.exe
Size

123KB
MD5

d5ab3e45b78f3fb8a2331d20a127a753
SHA1

57c8c78eb119a8890de5403689bc0acba0a70f51
SHA256

2eaab3caecfc1e88a621b1559a067c74fea83c475938a877373be99d738601da
SHA512

90f40d645c7805b064fcb582d894ee7cf8ff13b6b92e0030b29a6359132065149466be3d463e049782e00df8e76e4ecb461a5b2607e0f22f0fea3e4845f8f3cb
SSDEEP

3072:NeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLs16Ir:NVYrJrOSsRwcpg6k

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/0x00070000000234bc-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
2296	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
4044	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/448-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00080000000234ab-3.dat	upx
behavioral2/memory/448-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2296-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234bc-27.dat	upx
behavioral2/memory/4044-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/2296-57-0x0000000000400000-0x000000000042E000-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\20110204190248\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204190248\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204190248\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204190248\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204190248\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204190248\medias\p2e_go_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110204190248\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204190248\instant access.exe	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 created	C:\Program Files (x86)\Instant Access\Multi\20110204190248\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204190248\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\dialerexe.ini	iaccess32.exe
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe
File created	C:\Windows\iaccess32.exe	d5ab3e45b78f3fb8a2331d20a127a753_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

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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5ab3e45b78f3fb8a2331d20a127a753_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iaccess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.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
3612	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
448	d5ab3e45b78f3fb8a2331d20a127a753_JaffaCakes118.exe
2296	iaccess32.exe
2296	iaccess32.exe
2296	iaccess32.exe
2296	iaccess32.exe
2296	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 2296	448	d5ab3e45b78f3fb8a2331d20a127a753_JaffaCakes118.exe	83
PID 448 wrote to memory of 2296	448	d5ab3e45b78f3fb8a2331d20a127a753_JaffaCakes118.exe	83
PID 448 wrote to memory of 2296	448	d5ab3e45b78f3fb8a2331d20a127a753_JaffaCakes118.exe	83
PID 2296 wrote to memory of 3612	2296	iaccess32.exe	85
PID 2296 wrote to memory of 3612	2296	iaccess32.exe	85
PID 2296 wrote to memory of 3612	2296	iaccess32.exe	85
PID 2296 wrote to memory of 4044	2296	iaccess32.exe	86
PID 2296 wrote to memory of 4044	2296	iaccess32.exe	86
PID 2296 wrote to memory of 4044	2296	iaccess32.exe	86

C:\Users\Admin\AppData\Local\Temp\d5ab3e45b78f3fb8a2331d20a127a753_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5ab3e45b78f3fb8a2331d20a127a753_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:448
- 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:2296
- - 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:3612
- - 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:4044

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3784

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

Filesize
2KB

MD5
6237f5c4f23f97526da62bb5cd2746a6

SHA1
1a832cbf27dd6a7c1eee6aa0bb873e563ccd5d5b

SHA256
b45a27595c31e48c9164b1699dac9916e05b2b16a44b84309ecdfcd8aa96d24f

SHA512
9caa12272f35cbad80474e6b0546adaecfde4f5e09146150e01879964d0f7dc2f65dfc1334b42bc28442f073bbaba332fed6bea0ba8b1c6b97736363a2b8cebe

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

Filesize
2KB

MD5
0d67a770cba37617645a695acaa9dff4

SHA1
fced12eb283bef31efa3aa862d2ae789236773c5

SHA256
2e0d84ce50cac95b17e534c06c7162cad095b2717608217e69bc4f80c193d6e9

SHA512
6f17ad19af4164fff821d755a4f9386c638c0bc974196fecfd52153997d1172fe8d55e318ea99e456d7c439c102a40c4e667213202a21007279881c0f4f50db3

Download Submit
C:\Windows\SysWOW64\egaccess4_1071.dll

Filesize
76KB

MD5
b83f652ffa76451ae438954f89c02f62

SHA1
b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

SHA256
f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

SHA512
965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

Download Submit
C:\Windows\dialerexe.ini

Filesize
617B

MD5
1c178f09535e627356d777c8a981928e

SHA1
50f44747d35533280d9eaf0e901927a4149df45f

SHA256
43874b111aca8a1f08a933f235537c74a9913415eb4df1264b217938ab5ffafa

SHA512
2965d0bf50636cfc324a964fdc36836ec34c35f12da8d432e38a37a24e250cc4298a5100637838bd441045a4e0b16c2cb50625f5c0bd523616c89b802cf9ad08

Download Submit
C:\Windows\iaccess32.exe

Filesize
123KB

MD5
4492390feb65c33113810e1d27ca5719

SHA1
8b658cffb6d398cde88490667b6cc93dff86d9e1

SHA256
0d5863452d2252b16dfba8528e581576a7cc9fc70653f89470b16b142ab98c9c

SHA512
b63a3f3fa2d115055c9f28f24a71c9a8c8e7a6b269f383bf9aa414be63978afa2f46ddc941cc8494bb507c585ff185e2edec7ba4f5ba0db014f39d515386d40d

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/448-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/448-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2296-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2296-57-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4044-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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