579139dfd52c2b548581daab36c273fa97167fd7582c7107061a8af3fb000ed3

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2024, 20:11

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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
behavioral2/memory/3308-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4040-1-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4040-3-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3308-4-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/files/0x00080000000234b2-6.dat	upx
behavioral2/memory/3308-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3308-14-0x0000000000400000-0x000000000041A000-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"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\devenv = "C:\\Windows\\system\\smvss.exe /w"	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3308 set thread context of 4040	3308	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	83

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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
828	4040	WerFault.exe	83
2760	4040	WerFault.exe	83

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 4040	3308	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	83
PID 3308 wrote to memory of 4040	3308	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	83
PID 3308 wrote to memory of 4040	3308	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	83
PID 3308 wrote to memory of 4040	3308	432b5d7685aabf5b0ec10b8381f1314c_JaffaCakes118.exe	83

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:3308
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  PID:4040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 1080
    3⤵
    - Program crash
    PID:828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 1172
    3⤵
    - Program crash
    PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4040 -ip 4040
1⤵
PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4040 -ip 4040
1⤵
PID:60

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

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Downloads

C:\Windows\system\smvss.exe

Filesize
35KB

MD5
432b5d7685aabf5b0ec10b8381f1314c

SHA1
099becc33c3db050228b17b321b32b3e494d5bf7

SHA256
579139dfd52c2b548581daab36c273fa97167fd7582c7107061a8af3fb000ed3

SHA512
fc340d623656a45b8e893c9bf1db58cd68a53cd254ac81a23994b250237a657881fddca96043b1cc4c5fdb2641870a98227a37990e4133eab1c23d1cb996127f

Download Submit
memory/3308-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3308-4-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3308-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3308-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4040-1-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4040-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads