4acc4251ee12b320f74a5b13d2b82dc52cf362a44725172bb21a4be540e54b89

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 03:27

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General

Target

bd8bfb880b4a8e595efc24b8ff386a85.exe
Size

31KB
MD5

bd8bfb880b4a8e595efc24b8ff386a85
SHA1

639ea1bf52eb1190f28368e995d77881245ce932
SHA256

4acc4251ee12b320f74a5b13d2b82dc52cf362a44725172bb21a4be540e54b89
SHA512

c0096dac7a29fe7b889be61bdad8a6740ff245df9d253c54f54e733806c23708a0a5c404999e577a4d4582de05f1eacb4a69f8f45b37e665831ac78ae60b6dd3
SSDEEP

768:TlGwq1KJqW+jjJ6gcOQvSD+TYzUjeVeFDUbn:TlGwcXJfQNsLvbn

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\3D50EFA2\ImagePath = "C:\\Windows\\system32\\F0BF9BE3.EXE -a"	bd8bfb880b4a8e595efc24b8ff386a85.exe

Deletes itself 1 IoCs

pid	Process
1876	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2044	F0BF9BE3.EXE

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\F0BF9BE3.EXE	bd8bfb880b4a8e595efc24b8ff386a85.exe
File opened for modification	C:\Windows\SysWOW64\F0BF9BE3.EXE	bd8bfb880b4a8e595efc24b8ff386a85.exe
File created	C:\Windows\SysWOW64\F0BF9BE3.EXE	F0BF9BE3.EXE
File created	C:\Windows\SysWOW64\delme.bat	bd8bfb880b4a8e595efc24b8ff386a85.exe
File created	C:\Windows\SysWOW64\E786AA95.DLL	F0BF9BE3.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1924	bd8bfb880b4a8e595efc24b8ff386a85.exe
2044	F0BF9BE3.EXE
2044	F0BF9BE3.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 1876	1924	bd8bfb880b4a8e595efc24b8ff386a85.exe	29
PID 1924 wrote to memory of 1876	1924	bd8bfb880b4a8e595efc24b8ff386a85.exe	29
PID 1924 wrote to memory of 1876	1924	bd8bfb880b4a8e595efc24b8ff386a85.exe	29
PID 1924 wrote to memory of 1876	1924	bd8bfb880b4a8e595efc24b8ff386a85.exe	29

C:\Users\Admin\AppData\Local\Temp\bd8bfb880b4a8e595efc24b8ff386a85.exe
"C:\Users\Admin\AppData\Local\Temp\bd8bfb880b4a8e595efc24b8ff386a85.exe"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\delme.bat
  2⤵
  - Deletes itself
  PID:1876

C:\Windows\SysWOW64\F0BF9BE3.EXE
C:\Windows\SysWOW64\F0BF9BE3.EXE -a
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2044

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

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Downloads

C:\Windows\SysWOW64\F0BF9BE3.EXE

Filesize
31KB

MD5
bd8bfb880b4a8e595efc24b8ff386a85

SHA1
639ea1bf52eb1190f28368e995d77881245ce932

SHA256
4acc4251ee12b320f74a5b13d2b82dc52cf362a44725172bb21a4be540e54b89

SHA512
c0096dac7a29fe7b889be61bdad8a6740ff245df9d253c54f54e733806c23708a0a5c404999e577a4d4582de05f1eacb4a69f8f45b37e665831ac78ae60b6dd3

Download Submit
C:\Windows\SysWOW64\delme.bat

Filesize
205B

MD5
2f2d3811fc147b1694e50886db58f45a

SHA1
2ac1e713e0a86c77aee9b53e467ec8fbcd293a9b

SHA256
aaee9dc14bed10d1906b5cce08183fa04d2dce0c57dbb031fb345765eb8c7d17

SHA512
7a5835548c305c966440a78e0a042c23ca4c31309a99a5bd709fbfcb125dfc0f7af68f9e9b7eb28927630f0e667971ac9766f3434adf6aa85e1d23cca130fd30

Download Submit
memory/1924-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1924-13-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2044-3-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2044-15-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download