4f4e041170e31ceefdf3ee4e9b6e63ff327e781da698c8fc03c68fef8d58cf1f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 06:13

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General

Target

b3fc50146803244f3c4223079f98fb26.exe
Size

15KB
MD5

b3fc50146803244f3c4223079f98fb26
SHA1

c55c32c325c19737ad6f5de8057e0f51ae133533
SHA256

4f4e041170e31ceefdf3ee4e9b6e63ff327e781da698c8fc03c68fef8d58cf1f
SHA512

5a1cf5844145c223bacd9775f461c856d041620a2b8647acaf10be5bf8e34101a827eff33de486143e79c52bfbb7882a378a09dc60ace0937cfd251fc3eb76b9
SSDEEP

384:m8W/WoiGOu1TlaKDXf/haSAsw6vBmw6zhQ+16frbbn7:VKJbh2sw6dit16zT

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\F72F298E\ImagePath = "C:\\Windows\\system32\\BA71D467.EXE -k"	b3fc50146803244f3c4223079f98fb26.exe

Executes dropped EXE 1 IoCs

pid	Process
3076	BA71D467.EXE

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\BA71D467.EXE	b3fc50146803244f3c4223079f98fb26.exe
File created	C:\Windows\SysWOW64\BA71D467.EXE	BA71D467.EXE
File created	C:\Windows\SysWOW64\9C41A66.DLL	BA71D467.EXE
File created	C:\Windows\SysWOW64\delme.bat	b3fc50146803244f3c4223079f98fb26.exe
File created	C:\Windows\SysWOW64\BA71D467.EXE	b3fc50146803244f3c4223079f98fb26.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3280	b3fc50146803244f3c4223079f98fb26.exe
3280	b3fc50146803244f3c4223079f98fb26.exe
3076	BA71D467.EXE
3076	BA71D467.EXE
3076	BA71D467.EXE
3076	BA71D467.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 3820	3280	b3fc50146803244f3c4223079f98fb26.exe	92
PID 3280 wrote to memory of 3820	3280	b3fc50146803244f3c4223079f98fb26.exe	92
PID 3280 wrote to memory of 3820	3280	b3fc50146803244f3c4223079f98fb26.exe	92

C:\Users\Admin\AppData\Local\Temp\b3fc50146803244f3c4223079f98fb26.exe
"C:\Users\Admin\AppData\Local\Temp\b3fc50146803244f3c4223079f98fb26.exe"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3280
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\delme.bat
  2⤵
  PID:3820

C:\Windows\SysWOW64\BA71D467.EXE
C:\Windows\SysWOW64\BA71D467.EXE -k
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:3076

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\BA71D467.EXE

Filesize
15KB

MD5
b3fc50146803244f3c4223079f98fb26

SHA1
c55c32c325c19737ad6f5de8057e0f51ae133533

SHA256
4f4e041170e31ceefdf3ee4e9b6e63ff327e781da698c8fc03c68fef8d58cf1f

SHA512
5a1cf5844145c223bacd9775f461c856d041620a2b8647acaf10be5bf8e34101a827eff33de486143e79c52bfbb7882a378a09dc60ace0937cfd251fc3eb76b9

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

Filesize
211B

MD5
26ce4217f57d8e64ead008cce5cc5a5d

SHA1
7f56c1149878931729464795a954913a14dca080

SHA256
deb2ebee0c863b5a5e66f14332d3f7b18ce03f675004e1d773263494ca3308a7

SHA512
07dbbe534390bb0f41383d4ba74c54c62e50eaa0c4de60e7b13e83027fc770ebdc442f88cdaf98e9b14786696c830c54e02163dfd501ea17c96ef20c08e5fcde

Download Submit
memory/3076-5-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/3076-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3280-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3280-1-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/3280-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download