4f59429fb16674587e462f66c5732b51d211df9bcce758eec5b31046f05a2d60

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23-03-2023 16:41

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General

Target

BootsTrapperU.exe
Size

165KB
MD5

8b57e3af9a6b863fbe0746db752eba75
SHA1

bca3c16f360dc795cb31882c04c9ff0ec4d20511
SHA256

ee6e94dcb0f4bb34d487919faee67b4c178daee696d5bc84b229a24c8cad1c6f
SHA512

1799155f917d2a47691745c71b9e5dcb5b21e05fd5a7ae3105a6375bf2a5b5fdf944fc773177f670ea051bf0098a5c9685e14dba67c676fb0a5cdb51f46e4add
SSDEEP

3072:wxhMfvkWEpAJvlOT/NAWCNsxi8fdMznFHTfgCkPbQN982cUJWVgVK5o6V9207o0+:wxCfvkWEe9hWc8fdMFHrsPbbo742wb3B

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

BootsTrapperU.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	BootsTrapperU.exe

Executes dropped EXE 1 IoCs

Processes:

MatSploit.exe

pid process

384 MatSploit.exe
Loads dropped DLL 2 IoCs

Processes:

MatSploit.exe

pid process

384 MatSploit.exe
384 MatSploit.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

BootsTrapperU.exe

pid process

2056 BootsTrapperU.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

BootsTrapperU.exe

description pid process

Token: SeDebugPrivilege 2056 BootsTrapperU.exe

pid	process
384	MatSploit.exe

pid	process
384	MatSploit.exe
384	MatSploit.exe

pid	process
2056	BootsTrapperU.exe

description	pid	process
Token: SeDebugPrivilege	2056	BootsTrapperU.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

BootsTrapperU.exe

description	pid	process	target process
PID 2056 wrote to memory of 384	2056	BootsTrapperU.exe	MatSploit.exe
PID 2056 wrote to memory of 384	2056	BootsTrapperU.exe	MatSploit.exe
PID 2056 wrote to memory of 384	2056	BootsTrapperU.exe	MatSploit.exe

C:\Users\Admin\AppData\Local\Temp\BootsTrapperU.exe
"C:\Users\Admin\AppData\Local\Temp\BootsTrapperU.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2056

C:\Users\Admin\AppData\Local\Temp\MatSploit.exe
"C:\Users\Admin\AppData\Local\Temp\MatSploit.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:384

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ICSharpCode.AvalonEdit.dll
Filesize
604KB

MD5
85525afb01eafb7cd53e171344de4653

SHA1
65e4609b6e1d9d0de5568049687edd84fda6d2d3

SHA256
b5180b33e6bb8f215d69d91a6fab46e2e633b222095bcfcafba2530beb181eab

SHA512
3b30b7b4b32ab72ac0903e2053613bf0cd33c8f54879ca012dee12b319aa598e84329e59fc0edb19ad2b4ba6b6d25c12c88cbb78f655e3e6d6396ce909b10799

Download Submit
C:\Users\Admin\AppData\Local\Temp\ICSharpCode.AvalonEdit.dll
Filesize
604KB

MD5
85525afb01eafb7cd53e171344de4653

SHA1
65e4609b6e1d9d0de5568049687edd84fda6d2d3

SHA256
b5180b33e6bb8f215d69d91a6fab46e2e633b222095bcfcafba2530beb181eab

SHA512
3b30b7b4b32ab72ac0903e2053613bf0cd33c8f54879ca012dee12b319aa598e84329e59fc0edb19ad2b4ba6b6d25c12c88cbb78f655e3e6d6396ce909b10799

Download Submit
C:\Users\Admin\AppData\Local\Temp\MatSploit.exe
Filesize
2.5MB

MD5
dcb25045813cf70b014e3b94f61fb1dd

SHA1
05677911206e6dcde403a6232f1dcb9f77abf959

SHA256
366b2611923ce8255940aafc03c3c156f35b6d0dabe4c5b728233ac0d6c51822

SHA512
23e14f7b2f45c8dddc64cd6d301b144748ac3599139c0ad518d2f75d648c746d80e02334cdc7b014f3efe09844a4d3809e7f3177e623a89033d8de948c12b2ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\MatSploit.exe
Filesize
2.5MB

MD5
dcb25045813cf70b014e3b94f61fb1dd

SHA1
05677911206e6dcde403a6232f1dcb9f77abf959

SHA256
366b2611923ce8255940aafc03c3c156f35b6d0dabe4c5b728233ac0d6c51822

SHA512
23e14f7b2f45c8dddc64cd6d301b144748ac3599139c0ad518d2f75d648c746d80e02334cdc7b014f3efe09844a4d3809e7f3177e623a89033d8de948c12b2ce

Download Submit
memory/384-161-0x000000006D430000-0x000000006D442000-memory.dmp

Filesize
72KB

Download
memory/2056-136-0x0000000007670000-0x0000000007680000-memory.dmp

Filesize
64KB

Download
memory/2056-140-0x0000000007670000-0x0000000007680000-memory.dmp

Filesize
64KB

Download
memory/2056-144-0x0000000007670000-0x0000000007680000-memory.dmp

Filesize
64KB

Download
memory/2056-138-0x000000000A990000-0x000000000A99E000-memory.dmp

Filesize
56KB

Download
memory/2056-137-0x000000000BA00000-0x000000000BA38000-memory.dmp

Filesize
224KB

Download
memory/2056-133-0x00000000007D0000-0x0000000000802000-memory.dmp

Filesize
200KB

Download
memory/2056-135-0x000000000A8E0000-0x000000000A8E8000-memory.dmp

Filesize
32KB

Download
memory/2056-134-0x0000000007670000-0x0000000007680000-memory.dmp

Filesize
64KB

Download