2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a

Analysis

max time kernel
150s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 14:42

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General

Target

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe
Size

146KB
MD5

95cef99dd8ed824a90e544deb4f0d56d
SHA1

ce4ca4243380ce94c0614d250cc8f950213636ed
SHA256

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a
SHA512

ecc485415b08a8d68ef63975ad08d4176c4e1c0f56ecc707898d9c9cd753b14c7e5524841ee4b28b017449c301a09ae58ccecc9c5717b86f4bbd508c417e7a10
SSDEEP

3072:dQq0CgpyfPF9Dc/fFs+UaP+DFq14Es4V:NBkyPH/+r001VV

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a134133.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a134133.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a13413 = "C:\\a134133\\a134133.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*13413 = "C:\\a134133\\a134133.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a134133 = "C:\\Users\\Admin\\AppData\\Roaming\\a134133.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*134133 = "C:\\Users\\Admin\\AppData\\Roaming\\a134133.exe"	explorer.exe

Drops file in Windows directory 1 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

description	ioc	process
File opened for modification	C:\Windows\2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.INI	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exeexplorer.exe

pid process

3880 2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe
4716 explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

pid	process
3880	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe
3880	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exeexplorer.exe

description	pid	process	target process
PID 3880 wrote to memory of 4716	3880	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe	explorer.exe
PID 3880 wrote to memory of 4716	3880	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe	explorer.exe
PID 3880 wrote to memory of 4716	3880	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe	explorer.exe
PID 4716 wrote to memory of 4268	4716	explorer.exe	svchost.exe
PID 4716 wrote to memory of 4268	4716	explorer.exe	svchost.exe
PID 4716 wrote to memory of 4268	4716	explorer.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe
"C:\Users\Admin\AppData\Local\Temp\2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3880

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4716

C:\Windows\SysWOW64\svchost.exe
-k netsvcs
3⤵
PID:4268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3880-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3880-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4268-137-0x0000000000000000-mapping.dmp

Download
memory/4268-138-0x00000000002D0000-0x00000000002F0000-memory.dmp

Filesize
128KB

Download
memory/4268-139-0x00000000002D0000-0x00000000002F0000-memory.dmp

Filesize
128KB

Download
memory/4716-134-0x0000000000000000-mapping.dmp

Download
memory/4716-136-0x0000000001080000-0x00000000010A0000-memory.dmp

Filesize
128KB

Download