c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697

General

Target

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
Size

159KB
MD5

f35d5b7f3334a3eea993547a319bd6cd
SHA1

dad10e0c1b97cf720e81a10edde8a468990ca140
SHA256

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697
SHA512

7653eccb47378399d45ab6a8d19df73e1e1e3bb03d42db8dc2b83856b12e2255522cbc02084dd06b2f22602b0d0b82a28dda5e74c569fd7e8bab3fc0c0a47fd4
SSDEEP

3072:mVtnIr8svE4OoqSwL+avJ8se/CLtHFy4GXdjIMIXBEIx2Dcx:DbqS09LJFyPNjUXB5UG

Score

9^/10

evasion persistence

Malware Config

Signatures

Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exenotepad.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	notepad.exe

Executes dropped EXE 1 IoCs

Processes:

notepad.exe

pid process

576 notepad.exe

pid	process
576	notepad.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exenotepad.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	notepad.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exenotepad.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	notepad.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	notepad.exe

Loads dropped DLL 2 IoCs

Processes:

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe

pid	process
1236	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
1236	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\notepad.exe = "C:\\Users\\Admin\\AppData\\Roaming\\alFSVWJB\\notepad.exe"	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	1236	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
Token: SeDebugPrivilege	576	notepad.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe

description	pid	process	target process
PID 1236 wrote to memory of 576	1236	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe	notepad.exe
PID 1236 wrote to memory of 576	1236	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe	notepad.exe
PID 1236 wrote to memory of 576	1236	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe	notepad.exe
PID 1236 wrote to memory of 576	1236	c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe
"C:\Users\Admin\AppData\Local\Temp\c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236

C:\Users\Admin\AppData\Roaming\alFSVWJB\notepad.exe
C:\Users\Admin\AppData\Roaming\alFSVWJB\notepad.exe
2⤵
- Looks for VirtualBox Guest Additions in registry
- Executes dropped EXE
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Suspicious use of AdjustPrivilegeToken
PID:576

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\alFSVWJB\notepad.exe
Filesize
159KB

MD5
f35d5b7f3334a3eea993547a319bd6cd

SHA1
dad10e0c1b97cf720e81a10edde8a468990ca140

SHA256
c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697

SHA512
7653eccb47378399d45ab6a8d19df73e1e1e3bb03d42db8dc2b83856b12e2255522cbc02084dd06b2f22602b0d0b82a28dda5e74c569fd7e8bab3fc0c0a47fd4

Download Submit
\Users\Admin\AppData\Roaming\alFSVWJB\notepad.exe
Filesize
159KB

MD5
f35d5b7f3334a3eea993547a319bd6cd

SHA1
dad10e0c1b97cf720e81a10edde8a468990ca140

SHA256
c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697

SHA512
7653eccb47378399d45ab6a8d19df73e1e1e3bb03d42db8dc2b83856b12e2255522cbc02084dd06b2f22602b0d0b82a28dda5e74c569fd7e8bab3fc0c0a47fd4

Download Submit
\Users\Admin\AppData\Roaming\alFSVWJB\notepad.exe
Filesize
159KB

MD5
f35d5b7f3334a3eea993547a319bd6cd

SHA1
dad10e0c1b97cf720e81a10edde8a468990ca140

SHA256
c98631ac5f43c7b1d45fedc2c8d54696860b92ed73a28376c200508b4a67f697

SHA512
7653eccb47378399d45ab6a8d19df73e1e1e3bb03d42db8dc2b83856b12e2255522cbc02084dd06b2f22602b0d0b82a28dda5e74c569fd7e8bab3fc0c0a47fd4

Download Submit
memory/576-59-0x0000000000000000-mapping.dmp

Download
memory/576-63-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/576-64-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1236-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/1236-55-0x0000000000250000-0x0000000000258000-memory.dmp

Filesize
32KB

Download
memory/1236-56-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1236-60-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads