b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb

Analysis

max time kernel
273s
max time network
298s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 05:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe
Size

556KB
MD5

aaad74f9178b2dd2b60339dc1f4b8c3a
SHA1

8be42dae4ce9b7767e6dedbeec1542b12684d9cd
SHA256

b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb
SHA512

f0a81a1516324b19747060f3d6629f7a57e62f0c51df9c783acf0dd6a65090f81b7319323442548f06643d51e2dfcbdcb26114e1c7ad8e0bd454935218267e37
SSDEEP

12288:9GosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:9GosTxSEXzOV/UaIBNLMp20wMMT6

Score

8^/10

spyware stealer upx

Malware Config

Signatures

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4380-132-0x0000000000400000-0x0000000000522000-memory.dmp	upx
behavioral2/memory/4380-133-0x0000000000400000-0x0000000000522000-memory.dmp	upx
behavioral2/memory/4380-134-0x0000000000400000-0x0000000000522000-memory.dmp	upx
behavioral2/memory/716-136-0x0000000000400000-0x0000000000522000-memory.dmp	upx
behavioral2/memory/4380-137-0x0000000000400000-0x0000000000522000-memory.dmp	upx
behavioral2/memory/716-138-0x0000000000400000-0x0000000000522000-memory.dmp	upx
behavioral2/memory/716-139-0x0000000000400000-0x0000000000522000-memory.dmp	upx
behavioral2/memory/716-140-0x0000000000400000-0x0000000000522000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~2\is240741359.log	b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.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
4380	b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe
4380	b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 716	4380	b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe	82
PID 4380 wrote to memory of 716	4380	b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe	82
PID 4380 wrote to memory of 716	4380	b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe	82

C:\Users\Admin\AppData\Local\Temp\b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe
"C:\Users\Admin\AppData\Local\Temp\b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Users\Admin\AppData\Local\Temp\b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe
  "C:\Users\Admin\AppData\Local\Temp\b5c2cf63d1640bc174756d840353c3f37b2aa28ff8f9d88777316284335894fb.exe" /_ShowProgress
  2⤵
  PID:716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/716-136-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/716-138-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/716-139-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/716-140-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/4380-132-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/4380-133-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/4380-134-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/4380-137-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download