9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb

General

Target

9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe
Size

816KB
MD5

c7e0ea419d706b17c546f2165616db01
SHA1

ea2f53f39b43844e356fca1e07594603a2634fcd
SHA256

9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb
SHA512

b013abb1e117788f9191731ab6eeec202e8bcc4e36188ac5eab2217d51b3eb3ebf4bd95a8a12aea154ce0f6e325f9c78be93b936106e6d7d2cc41d8c2146d15c
SSDEEP

24576:Qp9M/ULsy3KihysUYYYYYYYYYYYRYYYYYYYYYYv:7/qsL0yvYYYYYYYYYYYRYYYYYYYYYYv

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

Processes:

WindowsBenyo.exeexplorer.exe

pid process

1088 WindowsBenyo.exe
1240 explorer.exe
1268
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

524 netsh.exe

pid	process
1088	WindowsBenyo.exe
1240	explorer.exe
1268

pid	process
524	netsh.exe

Drops startup file 2 IoCs

Processes:

explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d39d2048a79f06f908afa4217eb52f4c.exe	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d39d2048a79f06f908afa4217eb52f4c.exe	explorer.exe

Loads dropped DLL 1 IoCs

Processes:

9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe

pid process

1712 9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe

pid	process
1712	9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\d39d2048a79f06f908afa4217eb52f4c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .."	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d39d2048a79f06f908afa4217eb52f4c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .."	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

explorer.exe

description	pid	process
Token: SeDebugPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe
Token: 33	1240	explorer.exe
Token: SeIncBasePriorityPrivilege	1240	explorer.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exeexplorer.exe

description	pid	process	target process
PID 1712 wrote to memory of 1088	1712	9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe	WindowsBenyo.exe
PID 1712 wrote to memory of 1088	1712	9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe	WindowsBenyo.exe
PID 1712 wrote to memory of 1088	1712	9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe	WindowsBenyo.exe
PID 1712 wrote to memory of 1240	1712	9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe	explorer.exe
PID 1712 wrote to memory of 1240	1712	9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe	explorer.exe
PID 1712 wrote to memory of 1240	1712	9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe	explorer.exe
PID 1240 wrote to memory of 524	1240	explorer.exe	netsh.exe
PID 1240 wrote to memory of 524	1240	explorer.exe	netsh.exe
PID 1240 wrote to memory of 524	1240	explorer.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe
"C:\Users\Admin\AppData\Local\Temp\9273db8f77a2e9efbc7af98c5b45489d466ffc3003b4a2412f71196f06168dbb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712

C:\Users\Admin\AppData\Local\Temp\WindowsBenyo.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsBenyo.exe"
2⤵
- Executes dropped EXE
PID:1088

C:\Users\Admin\AppData\Local\Temp\explorer.exe
"C:\Users\Admin\AppData\Local\Temp\explorer.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:524

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\WindowsBenyo.exe
Filesize
376KB

MD5
f1f3f8a090be54ed9bbc1f127f631383

SHA1
a1e376ad6b039c15c3d54e23f24b515eb5cae5df

SHA256
990b60c90ba91ab8610a21d1047b1a559d238ad81edc30aacc8f0afad065af16

SHA512
7130208b099721bf305fddadfcad83f9071a70936384d5105d27bc455f44a7a46c995e23f072dcffd1ddbdf8970aa92e89efb7759f7f8136c756139d207b8a1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\WindowsBenyo.exe
Filesize
376KB

MD5
f1f3f8a090be54ed9bbc1f127f631383

SHA1
a1e376ad6b039c15c3d54e23f24b515eb5cae5df

SHA256
990b60c90ba91ab8610a21d1047b1a559d238ad81edc30aacc8f0afad065af16

SHA512
7130208b099721bf305fddadfcad83f9071a70936384d5105d27bc455f44a7a46c995e23f072dcffd1ddbdf8970aa92e89efb7759f7f8136c756139d207b8a1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\explorer.exe
Filesize
262KB

MD5
b81aacb4c52347090ad095e458e0217f

SHA1
f685d5ddf22224b26adaf4b1e2220c11801d57e1

SHA256
ecb692c580c8c40e7d1cc54b909e949d623ab19ce0c467f123390f2ef3e6a73b

SHA512
b730393518a43f75ab4d3a00d71171f0c40185dddfa996c83c9e4888579b1eaf0b6ac3d67c91dda6f8b6f367373f1753431afc33592d02a3f441c0930aaa0f82

Download Submit
C:\Users\Admin\AppData\Local\Temp\explorer.exe
Filesize
262KB

MD5
b81aacb4c52347090ad095e458e0217f

SHA1
f685d5ddf22224b26adaf4b1e2220c11801d57e1

SHA256
ecb692c580c8c40e7d1cc54b909e949d623ab19ce0c467f123390f2ef3e6a73b

SHA512
b730393518a43f75ab4d3a00d71171f0c40185dddfa996c83c9e4888579b1eaf0b6ac3d67c91dda6f8b6f367373f1753431afc33592d02a3f441c0930aaa0f82

Download Submit
\Users\Admin\AppData\Local\Temp\WindowsBenyo.exe
Filesize
376KB

MD5
f1f3f8a090be54ed9bbc1f127f631383

SHA1
a1e376ad6b039c15c3d54e23f24b515eb5cae5df

SHA256
990b60c90ba91ab8610a21d1047b1a559d238ad81edc30aacc8f0afad065af16

SHA512
7130208b099721bf305fddadfcad83f9071a70936384d5105d27bc455f44a7a46c995e23f072dcffd1ddbdf8970aa92e89efb7759f7f8136c756139d207b8a1a

Download Submit
\Users\Admin\AppData\Local\Temp\WindowsBenyo.exe
Filesize
376KB

MD5
f1f3f8a090be54ed9bbc1f127f631383

SHA1
a1e376ad6b039c15c3d54e23f24b515eb5cae5df

SHA256
990b60c90ba91ab8610a21d1047b1a559d238ad81edc30aacc8f0afad065af16

SHA512
7130208b099721bf305fddadfcad83f9071a70936384d5105d27bc455f44a7a46c995e23f072dcffd1ddbdf8970aa92e89efb7759f7f8136c756139d207b8a1a

Download Submit
memory/524-69-0x0000000000000000-mapping.dmp

Download
memory/524-74-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

Filesize
8KB

Download
memory/1088-68-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1088-58-0x0000000000000000-mapping.dmp

Download
memory/1088-75-0x000000001AF26000-0x000000001AF45000-memory.dmp

Filesize
124KB

Download
memory/1088-70-0x000000001AF26000-0x000000001AF45000-memory.dmp

Filesize
124KB

Download
memory/1088-66-0x00000000012A0000-0x0000000001304000-memory.dmp

Filesize
400KB

Download
memory/1240-64-0x000007FEF3BB0000-0x000007FEF45D3000-memory.dmp

Filesize
10.1MB

Download
memory/1240-67-0x0000000000AA6000-0x0000000000AC5000-memory.dmp

Filesize
124KB

Download
memory/1240-65-0x000007FEF2740000-0x000007FEF37D6000-memory.dmp

Filesize
16.6MB

Download
memory/1240-72-0x0000000000AA6000-0x0000000000AC5000-memory.dmp

Filesize
124KB

Download
memory/1240-60-0x0000000000000000-mapping.dmp

Download
memory/1712-54-0x000007FEF3BB0000-0x000007FEF45D3000-memory.dmp

Filesize
10.1MB

Download
memory/1712-71-0x0000000002116000-0x0000000002135000-memory.dmp

Filesize
124KB

Download
memory/1712-55-0x000007FEF2740000-0x000007FEF37D6000-memory.dmp

Filesize
16.6MB

Download
memory/1712-56-0x0000000002116000-0x0000000002135000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads