a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c

Analysis

max time kernel
141s
max time network
136s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25-05-2024 01:30

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General

Target

Falcon.exe
Size

2.1MB
MD5

005e76ae2d3af2cc2a001745d5e0afd9
SHA1

fa117b48f316b38db20887ba9b0138a07d686064
SHA256

a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c
SHA512

2e5bb3e7d95230c012014184bb29ddbd56328fc8d63738ebf50923d5e86461d2f2511c32ca930d23eeec81b4a0d4ad54a4be0c782dfe01904a276a74636a1e8b
SSDEEP

49152:ftBEvg4rSx4YYKOvp+QoqkxR/NPmmRFyxGFrEN0FN63lSY:fQvg4G6YDxQoqkxBNPXmUylD

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Falcon.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ntuser = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ntuser.exe\""	Falcon.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

Falcon.exe

pid process

8644 Falcon.exe
8644 Falcon.exe
8644 Falcon.exe
8644 Falcon.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Falcon.exe

description pid process target process

PID 2488 set thread context of 8644 2488 Falcon.exe Falcon.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Falcon.exepowershell.exe

pid process

2488 Falcon.exe
8620 powershell.exe
Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Falcon.exepowershell.exeFalcon.exe

description pid process

Token: SeDebugPrivilege 2488 Falcon.exe
Token: SeDebugPrivilege 8620 powershell.exe
Token: SeDebugPrivilege 8644 Falcon.exe
Token: SeShutdownPrivilege 8644 Falcon.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Falcon.exe

pid process

8644 Falcon.exe
8644 Falcon.exe

pid	process
8644	Falcon.exe
8644	Falcon.exe
8644	Falcon.exe
8644	Falcon.exe

description	pid	process	target process
PID 2488 set thread context of 8644	2488	Falcon.exe	Falcon.exe

pid	process
2488	Falcon.exe
8620	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2488	Falcon.exe
Token: SeDebugPrivilege	8620	powershell.exe
Token: SeDebugPrivilege	8644	Falcon.exe
Token: SeShutdownPrivilege	8644	Falcon.exe

pid	process
8644	Falcon.exe
8644	Falcon.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Falcon.exeWScript.exe

description	pid	process	target process
PID 2488 wrote to memory of 8580	2488	Falcon.exe	WScript.exe
PID 2488 wrote to memory of 8580	2488	Falcon.exe	WScript.exe
PID 2488 wrote to memory of 8580	2488	Falcon.exe	WScript.exe
PID 2488 wrote to memory of 8580	2488	Falcon.exe	WScript.exe
PID 8580 wrote to memory of 8620	8580	WScript.exe	powershell.exe
PID 8580 wrote to memory of 8620	8580	WScript.exe	powershell.exe
PID 8580 wrote to memory of 8620	8580	WScript.exe	powershell.exe
PID 8580 wrote to memory of 8620	8580	WScript.exe	powershell.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe
PID 2488 wrote to memory of 8644	2488	Falcon.exe	Falcon.exe

C:\Users\Admin\AppData\Local\Temp\Falcon.exe
"C:\Users\Admin\AppData\Local\Temp\Falcon.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs"
2⤵
- Suspicious use of WriteProcessMemory
PID:8580

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Ntuser.exe'
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8620

C:\Users\Admin\AppData\Local\Temp\Falcon.exe
C:\Users\Admin\AppData\Local\Temp\Falcon.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:8644

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs
Filesize
136B

MD5
24131be6e84c424a31423a9daa683b01

SHA1
38ae56938aa4fd963f066287b4190c929388e074

SHA256
1fe2a89a827cbe4ef046ca27f4d38c1ef1fbe889901f3946a4b7e1d4005cbde7

SHA512
5e0cb79ec9ed8836570393060e0b0f55b1a1a0446922e988913ed4ea4d67567a3a04e7d3a77c73dce596bd0eae530d07f0d2cf0f9cdf6b96001e1737d158704f

Download Submit
memory/2488-38-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-8-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-3-0x00000000086E0000-0x00000000088EA000-memory.dmp

Filesize
2.0MB

Download
memory/2488-4-0x00000000002F0000-0x000000000035A000-memory.dmp

Filesize
424KB

Download
memory/2488-68-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-66-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-40-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-62-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-60-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-58-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-56-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-54-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-52-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-50-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-48-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-46-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-44-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-36-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-64-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-2-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2488-42-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-34-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-32-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-30-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-28-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-26-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-24-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-22-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-20-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-18-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-16-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-14-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-12-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-10-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-0-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2488-6-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-5-0x00000000002F0000-0x0000000000353000-memory.dmp

Filesize
396KB

Download
memory/2488-1819-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2488-1-0x00000000013E0000-0x00000000015FC000-memory.dmp

Filesize
2.1MB

Download
memory/2488-1842-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download