f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4

Analysis

max time kernel
152s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 13:43

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General

Target

f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe
Size

1.1MB
MD5

4bc8fe2587ce29dfe134cfb95c9c3ae1
SHA1

deae922e8c6f829af66027616b62cb820cb2eaab
SHA256

f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4
SHA512

e41ca5c0a4125b71042f23c4ec40ec6d4d4f7162904ba3111df708d180d60c80626a8c19bfe92461b2d81d3983c3578105ae1e7484efb9d77f509ea205bb60c2
SSDEEP

24576:k2B/px66T9tEern9hV+JwpzOU+T0qtFUYDiMMLe:kBo9tVJ6TDFUYDiMMa

Score

8^/10

spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4460-132-0x0000000000400000-0x0000000000521000-memory.dmp	upx
behavioral2/memory/1396-134-0x0000000000400000-0x0000000000521000-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\is240614609.log	f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.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
4460	f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe
4460	f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 1396	4460	f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe	83
PID 4460 wrote to memory of 1396	4460	f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe	83
PID 4460 wrote to memory of 1396	4460	f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe	83

C:\Users\Admin\AppData\Local\Temp\f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe
"C:\Users\Admin\AppData\Local\Temp\f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Users\Admin\AppData\Local\Temp\f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe
  "C:\Users\Admin\AppData\Local\Temp\f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe" /_ShowProgress
  2⤵
  PID:1396

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

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Downloads

memory/1396-134-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/4460-132-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download