fc4761303f787dc0aaff34c1d6864e5855b9bf3ba7029f6021ee078f280ac428

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20-06-2024 02:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe
Size

86KB
MD5

01fd9f49d6a03aeef2b20712164d3306
SHA1

79f87b61e5b765d3a2ad40bf8f94a85eb319269e
SHA256

fc4761303f787dc0aaff34c1d6864e5855b9bf3ba7029f6021ee078f280ac428
SHA512

cc98aff64384c3b59fbe8cc9f418c55518c297606b4c3d22256ef38213644eee3ee30fdc2d72d8b6496c673117e45a228a362ddf8031b3709edf3d8e5c0f98dc
SSDEEP

1536:YuMyiWMPfQSiy6kWLVvBOQ+ptrblnouy8:tSW+fQSIkQVv8QGJ9out

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3836	SiZhu.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3408-0-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/files/0x0009000000023425-4.dat	upx
behavioral2/memory/3836-6-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3408-16-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3836-15-0x0000000000400000-0x0000000000429000-memory.dmp	upx

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe
File opened (read-only)	\??\E:	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SiZhu.exe	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\SiZhu.exe	SiZhu.exe
File opened for modification	C:\Windows\SysWOW64\SiZhu.exe	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3408	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe
3408	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe
3836	SiZhu.exe
3836	SiZhu.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
660	Process not Found
660	Process not Found

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 3836	3408	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe	82
PID 3408 wrote to memory of 3836	3408	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe	82
PID 3408 wrote to memory of 3836	3408	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe	82
PID 3836 wrote to memory of 1376	3836	SiZhu.exe	83
PID 3836 wrote to memory of 1376	3836	SiZhu.exe	83
PID 3836 wrote to memory of 1376	3836	SiZhu.exe	83
PID 3408 wrote to memory of 2012	3408	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe	84
PID 3408 wrote to memory of 2012	3408	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe	84
PID 3408 wrote to memory of 2012	3408	01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe"
1⤵
- Enumerates connected drives
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\SysWOW64\SiZhu.exe
  C:\Windows\system32\SiZhu.exe SiZhu
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3836
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~SiGou.bat
    3⤵
    PID:1376
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~SiGou.bat
  2⤵
  PID:2012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\~SiGou.bat

Filesize
130B

MD5
05f52e759c787bfbf843ba36ccf734a2

SHA1
2d81a279dd24a320a62d184fec747ca5f70570ee

SHA256
4c9b671f2169b55c0265974d2d618e9e03060a0664da88c05ea580be9eb2a7a9

SHA512
efcbce3fbcb8a0e22d4b41bfcf7afe73e5dd1bf4ceded4892fdd060e993dcf7c3930c989b6eb4fe1b690ced1f70a0e9ef75dfe6b5e2a61f9be14ef9169c6d172

Download Submit
C:\Users\Admin\AppData\Local\Temp\~SiGou.bat

Filesize
240B

MD5
f12dbc1e060ba7117381818d1a51b81d

SHA1
6ae3f7784c27eb4c64bfb45c94a0e0185b68f75c

SHA256
7968414eb1ca85d7611c0de8937660b63c159a6e22ed2c3c8537f76f856975c8

SHA512
ffc7fb46469b24ed1d65a796393a2f19c9dc6afe20a42fde2ce3ba053c2011e5fffe7ca911525c94611db1b18274b29a1b4789ac532b72e0233a3e73cd3b65db

Download Submit
C:\Windows\SysWOW64\SiZhu.exe

Filesize
86KB

MD5
01fd9f49d6a03aeef2b20712164d3306

SHA1
79f87b61e5b765d3a2ad40bf8f94a85eb319269e

SHA256
fc4761303f787dc0aaff34c1d6864e5855b9bf3ba7029f6021ee078f280ac428

SHA512
cc98aff64384c3b59fbe8cc9f418c55518c297606b4c3d22256ef38213644eee3ee30fdc2d72d8b6496c673117e45a228a362ddf8031b3709edf3d8e5c0f98dc

Download Submit
memory/3408-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3408-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3836-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3836-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download