579139dfd52c2b548581daab36c273fa97167fd7582c7107061a8af3fb000ed3

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 20:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe
Size

35KB
MD5

432b5d7685aabf5b0ec10b8381f1314c
SHA1

099becc33c3db050228b17b321b32b3e494d5bf7
SHA256

579139dfd52c2b548581daab36c273fa97167fd7582c7107061a8af3fb000ed3
SHA512

fc340d623656a45b8e893c9bf1db58cd68a53cd254ac81a23994b250237a657881fddca96043b1cc4c5fdb2641870a98227a37990e4133eab1c23d1cb996127f
SSDEEP

768:BNAuWtM17jNa57NhaboPLB7E45bBvPPCUhX5AhiA4iHspeH43:TAl7tBl9PC5YaW

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2396-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/1684-3-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/1684-5-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/2396-6-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/files/0x00090000000120fb-8.dat	upx
behavioral1/memory/2396-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/2396-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\devenv = "C:\\Windows\\system\\smvss.exe /w"	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\devenv = "C:\\Windows\\system\\smvss.exe /w"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 1684	2396	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	30

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system\smvss.exe	svchost.exe
File opened for modification	C:\Windows\system\smvss.exe	svchost.exe
File opened for modification	C:\Windows\system\smvss.exe	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 1684	2396	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	30
PID 2396 wrote to memory of 1684	2396	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	30
PID 2396 wrote to memory of 1684	2396	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	30
PID 2396 wrote to memory of 1684	2396	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	30
PID 2396 wrote to memory of 1684	2396	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  PID:1684

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\system\smvss.exe

Filesize
35KB

MD5
432b5d7685aabf5b0ec10b8381f1314c

SHA1
099becc33c3db050228b17b321b32b3e494d5bf7

SHA256
579139dfd52c2b548581daab36c273fa97167fd7582c7107061a8af3fb000ed3

SHA512
fc340d623656a45b8e893c9bf1db58cd68a53cd254ac81a23994b250237a657881fddca96043b1cc4c5fdb2641870a98227a37990e4133eab1c23d1cb996127f

Download Submit
memory/1684-1-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1684-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1684-5-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2396-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2396-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2396-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2396-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads