b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce

Analysis

max time kernel
62s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 12:11

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General

Target

b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce.exe
Size

660KB
MD5

904cd5d42533bd5af11f0fbafac03180
SHA1

716224e95fd7876c435ea7a6cb0e216260671297
SHA256

b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce
SHA512

fe0bbd0f059c805ae3478efc5b95d19472687664f85e6c68cfdc26cf5fb379fc8893570360817f454ff6ecbd2cc27706bd6418e1a8a731cca27bd48e25814e12
SSDEEP

12288:0hRwctdaumW9fkQngna8YMmlUbzDCFC2PQKoShb+k1dGu0McAx9UiqGRQP:0h6cX/ZWa+nD0PQKPGu0AxxzRa

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0003000000000733-133.dat	acprotect
behavioral2/files/0x0003000000000733-134.dat	acprotect

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3528-132-0x0000000000400000-0x00000000005B7000-memory.dmp	upx
behavioral2/memory/3528-136-0x0000000000400000-0x00000000005B7000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
3528	b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce.exe
3528	b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce.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 SetWindowsHookEx 2 IoCs

pid	Process
3528	b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce.exe
3528	b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce.exe

C:\Users\Admin\AppData\Local\Temp\b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce.exe
"C:\Users\Admin\AppData\Local\Temp\b38afafb4bd6ea2098ce92af7073b8c8f4223ab77fb9b428ee769cc92f729dce.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:3528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\fuiCF3B.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\fuiCF3B.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/3528-132-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3528-135-0x0000000000B90000-0x0000000000C03000-memory.dmp

Filesize
460KB

Download
memory/3528-136-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3528-137-0x0000000000B90000-0x0000000000C03000-memory.dmp

Filesize
460KB

Download