b8b50077caf64f08a4982e0c202a85a6e787cbb558fadfc43065922ce79536f3

General

Target

a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe
Size

538KB
MD5

a4b23a275949023f209e1e56c97a0fcf
SHA1

536b1754e6383aecf237e388cb20510219f01a81
SHA256

b8b50077caf64f08a4982e0c202a85a6e787cbb558fadfc43065922ce79536f3
SHA512

14067072f2b2dfae3bcd02bead6911011f8183b1b580b2a25f1e6f106a303ef9d0ce6d801a8dbe9277c0392b723d97a0e0023f8af533db39ff4aac91f8c6201f
SSDEEP

12288:6Yhcq8xzZTkQ4DDfO+lDp5QBooT3oDznHbUl0il67L5:BhcTZTaDfXNQCrPbGa/5

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
232	s4953.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s4953.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s4953.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	s4953.exe
File created	C:\Windows\assembly\Desktop.ini	s4953.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s4953.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3720	2828	WerFault.exe	81

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C	s4953.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 0400000001000000100000003e455215095192e1b75d379fb187298a0f00000001000000140000005a6d07b6371d966a2fb6ba92828ce5512a49513d090000000100000068000000306606082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050508020206082b0601050507030606082b0601050507030706082b0601050507030906082b0601050507030106082b06010505070308530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003000000047006c006f00620061006c005300690067006e00200052006f006f00740020004300410020002d002000520031000000620000000100000020000000ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99140000000100000014000000607b661a450d97ca89502f7d04cd34a8fffcfd4b1d00000001000000100000006ee7f3b060d10e90a31ba3471b9992367f000000010000000c000000300a06082b060105050703097a000000010000000c000000300a06082b060105050703097e00000001000000080000000000042beb77d501030000000100000014000000b1bc968bd4f49d622aa89a81f2150152a41d829c190000000100000010000000a823b4a20180beb460cab955c24d7e21200000000100000079030000308203753082025da003020102020b040000000001154b5ac394300d06092a864886f70d01010505003057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f74204341301e170d3938303930313132303030305a170d3238303132383132303030305a3057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100da0ee6998dcea3e34f8a7efbf18b83256bea481ff12ab0b9951104bdf063d1e26766cf1cddcf1b482bee8d898e9aaf298065abe9c72d12cbab1c4c7007a13d0a30cd158d4ff8ddd48c50151cef50eec42ef7fce952f2917de06dd535308e5e4373f241e9d56ae3b2893a5639386f063c88695b2a4dc5a754b86c89cc9bf93ccae5fd89f5123c927896d6dc746e934461d18dc746b2750e86e8198ad56d6cd5781695a2e9c80a38ebf224134f73549313853a1bbc1e34b58b058cb9778bb1db1f2091ab09536e90ce7b3774b97047912251631679aeb1ae412608c8192bd146aa48d6642ad78334ff2c2ac16c19434a0785e7d37cf62168efeaf2529f7f9390cf0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e04160414607b661a450d97ca89502f7d04cd34a8fffcfd4b300d06092a864886f70d01010505000382010100d673e77c4f76d08dbfecbaa2be34c52832b57cfc6c9c2c2bbd099e53bf6b5eaa1148b6e508a3b3ca3d614dd34609b33ec3a0e363551bf2baefad39e143b938a3e62f8a263befa05056f9c60afd38cdc40b705194979804dfc35f94d515c914419cc45d7564150dff5530ec868fff0def2cb96346f6aafcdfbc69fd2e1248649ae095f0a6ef298f01b115b50c1da5fe692c6924781eb3a71c7162eecac897ac175d8ac2f847866e2ac4563195d06789852bf96ca65d469d0caa82e49951dd70b7db563d61e46ae15cd6f6fe3dde41cc07ae6352bf5353f42be9c7fdb6f7825f85d24118db81b3041cc51fa4806f1520c9de0c880a1dd66655e2fc48c9292669e0	s4953.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	s4953.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2828	a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe
2828	a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe
232	s4953.exe
232	s4953.exe
232	s4953.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	232	s4953.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
232	s4953.exe
232	s4953.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 232	2828	a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe	82
PID 2828 wrote to memory of 232	2828	a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\n4953\s4953.exe
  "C:\Users\Admin\AppData\Local\Temp\n4953\s4953.exe" ins.exe /h b1dc98.api.socdn.com /e 13047392 /u 7476bd3c-e4c5-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\a4b23a275949023f209e1e56c97a0fcf_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 3740
  2⤵
  - Program crash
  PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2828 -ip 2828
1⤵
PID:4752

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

Install Root Certificate

1

T1553.004

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\n4953\s4953.exe

Filesize
343KB

MD5
902701a61af886f3eeb1e6654f1b22b8

SHA1
e259ed942458578fb894addc655565fb665bc534

SHA256
d2141dda259b880e2b2484614f42cf1e29bbb04aa33729d374b804ea0d405d00

SHA512
ad1115168a6d2df9f5c0ea6633264085204fa63daa617b3e802c11ba82b65eb3f215953118fd37a3b7ae0d8be609948bd98800b2570c8f77505ac147182ec7e3

Download Submit
memory/232-14-0x00007FFC0B1C5000-0x00007FFC0B1C6000-memory.dmp

Filesize
4KB

Download
memory/232-15-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-16-0x00007FFC0B1C5000-0x00007FFC0B1C6000-memory.dmp

Filesize
4KB

Download
memory/232-17-0x0000000000B60000-0x0000000000B6E000-memory.dmp

Filesize
56KB

Download
memory/232-20-0x000000001BD70000-0x000000001C23E000-memory.dmp

Filesize
4.8MB

Download
memory/232-21-0x000000001C2E0000-0x000000001C37C000-memory.dmp

Filesize
624KB

Download
memory/232-22-0x000000001C6A0000-0x000000001C702000-memory.dmp

Filesize
392KB

Download
memory/232-23-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-24-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-25-0x000000001C390000-0x000000001C398000-memory.dmp

Filesize
32KB

Download
memory/232-26-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-27-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-28-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-29-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-30-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-31-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-32-0x0000000020520000-0x0000000020A2E000-memory.dmp

Filesize
5.1MB

Download
memory/232-33-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-34-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download
memory/232-36-0x00007FFC0AF10000-0x00007FFC0B8B1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads