c6859189c1a543044eead81c3165b647650c8d8b59daaf59c68c3a54238f0e9b

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 10:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe
Size

860KB
MD5

fc236b06b1e086a4aa4d809a95cc90db
SHA1

5ca354e16c9442c096236d9a071764af90590083
SHA256

c6859189c1a543044eead81c3165b647650c8d8b59daaf59c68c3a54238f0e9b
SHA512

0cbf49d85f4549d69dd21e059fff25ce0e9bc94a22d53de8ab2385b22fa14a8b1f09ea8b7346329e23d13c34540eaa4310f1b166191c44875919b8d15d78fa30
SSDEEP

24576:r2FinwXSPtxxo/nwBMieNDmh9MGmzjZnjJIexOL1TNkdBAnZyauvw:iFBSPtOn2Zfh9MGmzjZnjJIexOLLkUEU

Score

9^/10

discovery persistence upx

Malware Config

Signatures

Detected Nirsoft tools 1 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/3228-6-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft

Executes dropped EXE 1 IoCs

pid	Process
3228	winhlp1_1.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winhlp = "C:\\Windows\\winhlp.exe"	fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
12	ip-api.com

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002346e-2.dat	upx
behavioral2/memory/3228-3-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/3228-6-0x0000000000400000-0x000000000045B000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\winhlp.exe	fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe
File opened for modification	C:\Windows\winhlp.exe	fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.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	fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winhlp1_1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 3228	4356	fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe	82
PID 4356 wrote to memory of 3228	4356	fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe	82
PID 4356 wrote to memory of 3228	4356	fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc236b06b1e086a4aa4d809a95cc90db_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Users\Admin\AppData\Local\Temp\winhlp1_1.exe
  C:\Users\Admin\AppData\Local\Temp\winhlp1_1.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\win1_1.txt
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3228

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\win1_1.txt

Filesize
31B

MD5
b7161c0845a64ff6d7345b67ff97f3b0

SHA1
d223f855da541fe8e4c1d5c50cb26da0a1deb5fc

SHA256
fe9e28ff0b652e22a124b0a05382bc1ac48cbd9c7c76ca647b0c9f8542888f66

SHA512
98d8971ff20ba256cf886a9db416ac9366d2c6ad4ff51a65bd7e539974dc93f4c897f92d8c9c0319c69b27eacf05cd350a0302828e63190b03457a0eda57f680

Download Submit
C:\Users\Admin\AppData\Local\Temp\winhlp1_1.exe

Filesize
184KB

MD5
7fee8223d6e4f82d6cd115a28f0b6d58

SHA1
1b89c25f25253df23426bd9ff6c9208f1202f58b

SHA256
a45317c374d54e322153afd73f0e90f1486638d77b7fd85746d091071bbecd59

SHA512
3ed900b83dd178637c2fd4e8444a899f17f12c4ec92a6f4de4fe544fe8d41b521c69b8f348343cb397d0e160f23e27429042d758b5fa5acac0bab5c3584bace4

Download Submit
memory/3228-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3228-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads