841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

Resubmissions

25/03/2024, 21:05

240325-zxdnnahe48 3

25/03/2024, 20:59

25/03/2024, 20:56

25/03/2024, 20:51

25/03/2024, 20:45

25/03/2024, 20:38

25/03/2024, 20:36

Analysis

max time kernel
18s
max time network
16s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 21:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Prefetch/SVCHOST.EXE-BF3D5CA5.pf
Size

4KB
MD5

b58ff2e514847ceaacb86ca403d36a8f
SHA1

5b291ca4bdf77c0fde0d59edadbe8d13c5208964
SHA256

1a3c34f7eb69559e3fbad92b4e6f56072389f7329244c5b4d544797a552b3c3c
SHA512

e9316093e3d26719b5bff76f72d872dcc38a30fe335eec72c9cf368ac169be0d712d93ecc26f4bb8402efea78404a9c86238ab05e5ae58aec39c0495f7db0975
SSDEEP

96:wIzyA5oeWZH1/nGDaUwE7FFFPF7NRF0akLMKOB7wvEf2y/D247d4vFro/Iyg:wuyTxnGRP7DFPpNReLTLvEfJ647d4dr3

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pf	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 292 wrote to memory of 2572	292	cmd.exe	29
PID 292 wrote to memory of 2572	292	cmd.exe	29
PID 292 wrote to memory of 2572	292	cmd.exe	29
PID 2572 wrote to memory of 2724	2572	rundll32.exe	30
PID 2572 wrote to memory of 2724	2572	rundll32.exe	30
PID 2572 wrote to memory of 2724	2572	rundll32.exe	30
PID 2572 wrote to memory of 2724	2572	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\SVCHOST.EXE-BF3D5CA5.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:292
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\SVCHOST.EXE-BF3D5CA5.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Prefetch\SVCHOST.EXE-BF3D5CA5.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
fa7691f977468751af982bcc8d252fff

SHA1
49d82fd28bcb61baff9015f140e41631242fb2ec

SHA256
c8dee342092c6097b01a15158025bcfc1c0d89215460acf10a8f071c3fa6f1a0

SHA512
1a7a32abd9f30ede86993d73f092959c8bd43e9a0807c8545122e6881f122ae96f64650290516e0bcb18b4e5a5007a31b9a1791d122fb80d0dcf583dc5269525

Download Submit