6936f3b7338e3504564e1f7f64d883774d92b44a9cb775855cd370f1e6fd2bbb

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2025, 17:58

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General

Target

JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
Size

15KB
MD5

144d46d31aaaa265bbb9f4e39b8a192e
SHA1

bf0fe263d8b8d0720c788ab4436963d0abbe10db
SHA256

6936f3b7338e3504564e1f7f64d883774d92b44a9cb775855cd370f1e6fd2bbb
SHA512

5a7f608b56bc748d12cd9630a25cce27434c6b365e194a6e71c26d51e04c78942237dfe719ad835854683e6a1a8765b6a860c943fb3b4171743845b9f04fd120
SSDEEP

384:q06KR0Mk9XOU3+RqDYkWTMLYn2Kz/SdmIyx:q06f6C6oYbjn2wSy

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2144	gth79338.exe

Executes dropped EXE 1 IoCs

pid	Process
2144	gth79338.exe

Loads dropped DLL 2 IoCs

pid	Process
4460	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
2144	gth79338.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mmsfc1.dll	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
File opened for modification	C:\Windows\SysWOW64\mmsfc1.dll	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
File created	C:\Windows\SysWOW64\ComRes.dll	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
File created	C:\Windows\SysWOW64\gth79338.exe	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4460-0-0x0000000000400000-0x0000000000438000-memory.dmp	upx
behavioral2/memory/4460-12-0x0000000000400000-0x0000000000438000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\fOntS\ComRes.dll	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
File created	C:\Windows\fOntS\gth79338.ttf	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
File created	C:\Windows\fOntS\gth79338.fon	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gth79338.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4460	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
4460	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
2144	gth79338.exe
2144	gth79338.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2144	gth79338.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 2144	4460	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe	87
PID 4460 wrote to memory of 2144	4460	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe	87
PID 4460 wrote to memory of 2144	4460	JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\SysWOW64\gth79338.exe
  C:\Windows\system32\gth79338.exe C:\Windows\fOntS\ComRes.dll ins C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_144d46d31aaaa265bbb9f4e39b8a192e.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\gth79338.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Windows\SysWOW64\mmsfc1.dll

Filesize
48KB

MD5
98c499fccb739ab23b75c0d8b98e0481

SHA1
0ef5c464823550d5f53dd485e91dabc5d5a1ba0a

SHA256
d9d8ce1b86b3978889466ab1b9f46778942d276922bf7533327a493083913087

SHA512
9e64ac13e18ab0a518bb85b6612520645b5ab2c9a5359ced943813ba7344714999f25ba0e52240ad2d0c2fefc76552ff43173adc46334ff0b5dba171fb58e4e6

Download Submit
C:\Windows\fOntS\ComRes.dll

Filesize
156KB

MD5
615d4a31846add4208fc9e861e615954

SHA1
80d5324d7d1aacf800efd008b2f23d59531ff5e3

SHA256
097747eb5f1ccd26f2702c00f203e8c34bd9f7b914edcc02ccabf4538e8aaf07

SHA512
9648c3b0c82295ed2a6db8c2562e24b9f52c4861e0df76273b8fa93581d9d5c2a189a0a73ab7209bb039c489ec0b9274b0833b7f5d57a859bc69656c0a4966c4

Download Submit
memory/2144-16-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/4460-0-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4460-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download