8c82fd49aaab46033ad4d7f291c9ad6475d1d334fcebc725b6572695ca91c7b8

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 19:25

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General

Target

75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
Size

32KB
MD5

75636aeb831154a2b16c7e8b55c32deb
SHA1

70bec8b3933a535d378c14b448a739d7b5b7bf31
SHA256

8c82fd49aaab46033ad4d7f291c9ad6475d1d334fcebc725b6572695ca91c7b8
SHA512

e27d0d216b23812c3fbd1497417c33bcfb952712dfb53a6955a1f32ee1361247529c71f3c4c6f9d1be850a59d9c1fcb3c61849263d3104441cc576a1a7d99c6b
SSDEEP

768:HdFibdzyHOI1t7ZoAYCGwDI63N9bOxm0VPomEDQArRyGKcj7Nz:9YbdzyuIn9oWH063N9bSemEDQsMGKiz

Score

7^/10

adware discovery stealer upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/2308-1-0x0000000000320000-0x000000000033A000-memory.dmp	upx
behavioral1/memory/2308-3-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/2224-4-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/2224-6-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{86899D14-95D7-4E22-8AB3-7ACC53076FC9}	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\PLUGINS\WinNt64.Jmp	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
File created	C:\Program Files\Internet Explorer\PLUGINS\WinNt64.Sys	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
File created	C:\Program Files\Internet Explorer\PLUGINS\WinNt64.Jmp	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{86899D14-95D7-4E22-8AB3-7ACC53076FC9}	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{86899D14-95D7-4E22-8AB3-7ACC53076FC9}\	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{86899D14-95D7-4E22-8AB3-7ACC53076FC9}\InProcServer32	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{86899D14-95D7-4E22-8AB3-7ACC53076FC9}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\PLUGINS\\WinNt64.Sys"	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{86899D14-95D7-4E22-8AB3-7ACC53076FC9}\InProcServer32\ThreadingModel = "Apartment"	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2224	2308	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2224	2308	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2224	2308	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2224	2308	75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\75636aeb831154a2b16c7e8b55c32deb_JaffaCakes118.exe" Z
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Modifies registry class
  PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2224-4-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2224-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2308-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2308-1-0x0000000000320000-0x000000000033A000-memory.dmp

Filesize
104KB

Download
memory/2308-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download