Malware Analysis Report

2025-08-05 19:16

Sample ID 240526-efb4aaef73
Target 743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118
SHA256 026403bb71cc383118ce8d2550c0fd8d75624c87b3e8d1663d2d6d984864b978
Tags
evasion
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

026403bb71cc383118ce8d2550c0fd8d75624c87b3e8d1663d2d6d984864b978

Threat Level: Likely malicious

The file 743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

evasion

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Drops desktop.ini file(s)

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Modifies system certificate store

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-26 03:52

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-26 03:52

Reported

2024-05-26 03:55

Platform

win7-20240508-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe

"C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe" ins.exe /u 8765b7a1-1326-11e4-8a58-80c16e6f498c /e 13029947 /h ef64a6.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 crl.globalsign.net udp
US 104.18.21.226:80 crl.globalsign.net tcp
US 8.8.8.8:53 ef64a6.api.socdn.com udp
US 76.223.26.96:80 ef64a6.api.socdn.com tcp

Files

\Users\Admin\AppData\Local\Temp\n3168\s3168.exe

MD5 0e88682aeba4d7ef923b316f97f990ba
SHA1 a54a0df52206ab79c0ad19be7402ab8564b7ad8c
SHA256 6be0358b2703e0e317ec4ddefbc320014b3c2a14eb1d959b0ed399586fd2bba1
SHA512 c0755f0b6fd5d01872464c1fa4b3d11c4ad4fd84f355bc9a9938bc5057373c18753915eeaabd31eb1db5cd95399a5b5083de31f11b55adba58316082421607c6

memory/2528-17-0x000007FEF58CE000-0x000007FEF58CF000-memory.dmp

memory/2528-18-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

memory/2528-34-0x0000000000350000-0x000000000035E000-memory.dmp

memory/2528-35-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-26 03:52

Reported

2024-05-26 03:55

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A
File opened for modification C:\Windows\assembly C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 0400000001000000100000003e455215095192e1b75d379fb187298a0f00000001000000140000005a6d07b6371d966a2fb6ba92828ce5512a49513d090000000100000068000000306606082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050508020206082b0601050507030606082b0601050507030706082b0601050507030906082b0601050507030106082b06010505070308530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003000000047006c006f00620061006c005300690067006e00200052006f006f00740020004300410020002d002000520031000000620000000100000020000000ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99140000000100000014000000607b661a450d97ca89502f7d04cd34a8fffcfd4b1d00000001000000100000006ee7f3b060d10e90a31ba3471b9992367f000000010000000c000000300a06082b060105050703097a000000010000000c000000300a06082b060105050703097e00000001000000080000000000042beb77d501030000000100000014000000b1bc968bd4f49d622aa89a81f2150152a41d829c190000000100000010000000a823b4a20180beb460cab955c24d7e21200000000100000079030000308203753082025da003020102020b040000000001154b5ac394300d06092a864886f70d01010505003057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f74204341301e170d3938303930313132303030305a170d3238303132383132303030305a3057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100da0ee6998dcea3e34f8a7efbf18b83256bea481ff12ab0b9951104bdf063d1e26766cf1cddcf1b482bee8d898e9aaf298065abe9c72d12cbab1c4c7007a13d0a30cd158d4ff8ddd48c50151cef50eec42ef7fce952f2917de06dd535308e5e4373f241e9d56ae3b2893a5639386f063c88695b2a4dc5a754b86c89cc9bf93ccae5fd89f5123c927896d6dc746e934461d18dc746b2750e86e8198ad56d6cd5781695a2e9c80a38ebf224134f73549313853a1bbc1e34b58b058cb9778bb1db1f2091ab09536e90ce7b3774b97047912251631679aeb1ae412608c8192bd146aa48d6642ad78334ff2c2ac16c19434a0785e7d37cf62168efeaf2529f7f9390cf0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e04160414607b661a450d97ca89502f7d04cd34a8fffcfd4b300d06092a864886f70d01010505000382010100d673e77c4f76d08dbfecbaa2be34c52832b57cfc6c9c2c2bbd099e53bf6b5eaa1148b6e508a3b3ca3d614dd34609b33ec3a0e363551bf2baefad39e143b938a3e62f8a263befa05056f9c60afd38cdc40b705194979804dfc35f94d515c914419cc45d7564150dff5530ec868fff0def2cb96346f6aafcdfbc69fd2e1248649ae095f0a6ef298f01b115b50c1da5fe692c6924781eb3a71c7162eecac897ac175d8ac2f847866e2ac4563195d06789852bf96ca65d469d0caa82e49951dd70b7db563d61e46ae15cd6f6fe3dde41cc07ae6352bf5353f42be9c7fdb6f7825f85d24118db81b3041cc51fa4806f1520c9de0c880a1dd66655e2fc48c9292669e0 C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe

"C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe" ins.exe /u 8765b7a1-1326-11e4-8a58-80c16e6f498c /e 13029947 /h ef64a6.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2536 -ip 2536

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 3912

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 crl.globalsign.net udp
US 104.18.20.226:80 crl.globalsign.net tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 226.20.18.104.in-addr.arpa udp
US 8.8.8.8:53 ef64a6.api.socdn.com udp
US 13.248.148.254:80 ef64a6.api.socdn.com tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 254.148.248.13.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe

MD5 0e88682aeba4d7ef923b316f97f990ba
SHA1 a54a0df52206ab79c0ad19be7402ab8564b7ad8c
SHA256 6be0358b2703e0e317ec4ddefbc320014b3c2a14eb1d959b0ed399586fd2bba1
SHA512 c0755f0b6fd5d01872464c1fa4b3d11c4ad4fd84f355bc9a9938bc5057373c18753915eeaabd31eb1db5cd95399a5b5083de31f11b55adba58316082421607c6

memory/5092-14-0x00007FFBF4A65000-0x00007FFBF4A66000-memory.dmp

memory/5092-15-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-22-0x000000001B0A0000-0x000000001B0AE000-memory.dmp

memory/5092-25-0x000000001BD90000-0x000000001C25E000-memory.dmp

memory/5092-26-0x000000001B800000-0x000000001B89C000-memory.dmp

memory/5092-27-0x000000001C580000-0x000000001C5E2000-memory.dmp

memory/5092-28-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-29-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-30-0x000000001C260000-0x000000001C268000-memory.dmp

memory/5092-31-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-32-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-33-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-34-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-35-0x000000001E030000-0x000000001E16C000-memory.dmp

memory/5092-36-0x00000000200F0000-0x00000000205FE000-memory.dmp

memory/5092-37-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-38-0x00007FFBF4A65000-0x00007FFBF4A66000-memory.dmp

memory/5092-39-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-40-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

memory/5092-42-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp