d350ad7873707af1e86da5fd7ced737b60f822181a3870ddaf3e4a09989a9967

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 15:35

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General

Target

4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
Size

72KB
MD5

4a4a5a0ec308091fb77a460fa3ff0be7
SHA1

b6e15337a53a0aa08f26223c26ccf045ea5a3e4e
SHA256

d350ad7873707af1e86da5fd7ced737b60f822181a3870ddaf3e4a09989a9967
SHA512

55a6bee93af47199e1200b5fb030f15f4d50cf5f910c1648fde107725f804df90bf95f763d969809d2eb9a1709f7f967e355ac1eb2029f806438e55566cc8e7f
SSDEEP

1536:/+bH1XwWKi1sIwO+X4HyaDqpsu/eAgxyAzeWFYvPMG0PWKGxk0a:/+j9wWVsxf8u/evobWFE0PQ9a

Score

8^/10

adware stealer upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2516	cmd.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral1/memory/2204-3-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 5 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\	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e4f4efdc-8e13-460c-bc95-e2ce18988487}	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zb.dll	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\hosts	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\hosts	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e4f4efdc-8e13-460c-bc95-e2ce18988487}	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e4f4efdc-8e13-460c-bc95-e2ce18988487}\InProcServer32	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e4f4efdc-8e13-460c-bc95-e2ce18988487}\InProcServer32\ = "C:\\Windows\\SysWow64\\zb.dll"	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e4f4efdc-8e13-460c-bc95-e2ce18988487}\InProcServer32\ThreadingModel = "Apartment"	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2516	2204	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe	30
PID 2204 wrote to memory of 2516	2204	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe	30
PID 2204 wrote to memory of 2516	2204	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe	30
PID 2204 wrote to memory of 2516	2204	4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\cmd.exe
  /c del "C:\Users\Admin\AppData\Local\Temp\4a4a5a0ec308091fb77a460fa3ff0be7_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  PID:2516

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2204-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2204-3-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download