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
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Prefetch/WHERE.EXE-8DCB25CC.pf
Size

4KB
MD5

abab8bad3436ab12f5fcb781ff690fa5
SHA1

f976dc922182dd995be10aedb3994293680e96d8
SHA256

50ea96c4448b8eee189896e3d71fbb2d6426e70d32e71ad0a47efc54c267a20a
SHA512

c599c21b1e98c9cdd89ac56beaa185be3d883b3aef067b2a879358c9a148a235f34cdb19e0d55bcfa55c7c8857193ea9136a1d2cad569037359b72db1c4219ea
SSDEEP

96:lpwPctwFY66U6jJcJcKcJlSKdhsiLUs/gCdcuag3A:7wPcKF76PjJcJXcJ8KfsiLl/j3A

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2580	AcroRd32.exe
2580	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2596	2864	cmd.exe	29
PID 2864 wrote to memory of 2596	2864	cmd.exe	29
PID 2864 wrote to memory of 2596	2864	cmd.exe	29
PID 2596 wrote to memory of 2580	2596	rundll32.exe	30
PID 2596 wrote to memory of 2580	2596	rundll32.exe	30
PID 2596 wrote to memory of 2580	2596	rundll32.exe	30
PID 2596 wrote to memory of 2580	2596	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\WHERE.EXE-8DCB25CC.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\WHERE.EXE-8DCB25CC.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2596
- - 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\WHERE.EXE-8DCB25CC.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2580

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
81fdb158c388e054d5a56d47c85e567b

SHA1
91a4a4576349117bfd7b5d5d38af3f861cfbc88b

SHA256
5658a93ef0c4ff224763fa2cb87d45f2b77f6719ab42366f2767dc81d4f5e969

SHA512
5278f7241864603b4f6fece874dc8535821b60e06e0a02ae29d6c6a0725cfc59e99cd4fa1ced8b7316cf6c33c7bc603a1bf791045683da3e239c0b290cbcd1d7

Download Submit