66604b81d14466aae5f161ea2d57f3db1f492e4a492e6042d21fed03fbf3408f

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 22:51

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General

Target

fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe
Size

415KB
MD5

fdd5ce4bb9c082876d8d21418a1213b8
SHA1

d1adc3402d8d5e7087a5bf078649fb4bc9079161
SHA256

66604b81d14466aae5f161ea2d57f3db1f492e4a492e6042d21fed03fbf3408f
SHA512

9f7b5722ed4669b58723ee59ece2d5e0cd118b0f0a9b4f68a6352411d8da092743de1211a26172b87f231d9e96f8044ab16e602be3041d1ea62bebed40616a13
SSDEEP

12288:dAmsLPAUO1uz0jbgeebXUxzFWuzaap73t5:+mscXM+j2kWI3t5

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
2972	ccSjkketwraagFu.exe

Loads dropped DLL 2 IoCs

pid	Process
384	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe
384	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/384-2-0x0000000000600000-0x000000000066D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\ccSjkketwraagFu = "C:\\ProgramData\\ccSjkketwraagFu.exe"	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Download	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
384	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 2972	384	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe	28
PID 384 wrote to memory of 2972	384	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe	28
PID 384 wrote to memory of 2972	384	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe	28
PID 384 wrote to memory of 2972	384	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe	28

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fdd5ce4bb9c082876d8d21418a1213b8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
- System policy modification
PID:384
- C:\ProgramData\ccSjkketwraagFu.exe
  "C:\ProgramData\ccSjkketwraagFu.exe"
  2⤵
  - Executes dropped EXE
  PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\ccSjkketwraagFu.exe

Filesize
415KB

MD5
fdd5ce4bb9c082876d8d21418a1213b8

SHA1
d1adc3402d8d5e7087a5bf078649fb4bc9079161

SHA256
66604b81d14466aae5f161ea2d57f3db1f492e4a492e6042d21fed03fbf3408f

SHA512
9f7b5722ed4669b58723ee59ece2d5e0cd118b0f0a9b4f68a6352411d8da092743de1211a26172b87f231d9e96f8044ab16e602be3041d1ea62bebed40616a13

Download Submit
memory/384-1-0x0000000000250000-0x00000000002AB000-memory.dmp

Filesize
364KB

Download
memory/384-0-0x0000000000600000-0x000000000066D000-memory.dmp

Filesize
436KB

Download
memory/384-2-0x0000000000600000-0x000000000066D000-memory.dmp

Filesize
436KB

Download
memory/384-16-0x0000000000250000-0x00000000002AB000-memory.dmp

Filesize
364KB

Download
memory/2972-13-0x0000000000290000-0x00000000002EB000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads