27779e51501c540181715ffd1f6204cddb5d5b17a60434ea5922b28b8eb75a5d

Resubmissions

04/05/2023, 14:58

230504-scg21sdb73 5

04/05/2023, 14:52

230504-r88n6sdb54 5

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
04/05/2023, 14:58

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General

Target

message_v4.rpmsg
Size

280KB
MD5

521ed05cacb0f90a242d3438c51dcdbf
SHA1

83d42fe6c2ff8fa6cb57a4b6189ca4acd23779ba
SHA256

f9e029d7855922179ccbaf0bd5f755ea953adde97c4bd588fef8dd349c0d57ae
SHA512

e66b2a3270273392aedb5cb22daedc0157dc1a85383e7a2f41cd565b71a3faecf51372be52b588c1918c23bc5a42caea5cfe612f1788b43211f14c1e2024a558
SSDEEP

6144:TmdWAaDOMDSkITQbtNw/N59nB8iw7gdFpahtXii+VfHNj+UAq:TqzMDSkIitSF59B8iScpaHXii+5H1

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-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rpmsg_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.rpmsg	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.rpmsg\ = "rpmsg_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rpmsg_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rpmsg_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rpmsg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rpmsg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rpmsg_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 608	1388	cmd.exe	29
PID 1388 wrote to memory of 608	1388	cmd.exe	29
PID 1388 wrote to memory of 608	1388	cmd.exe	29
PID 608 wrote to memory of 1772	608	rundll32.exe	30
PID 608 wrote to memory of 1772	608	rundll32.exe	30
PID 608 wrote to memory of 1772	608	rundll32.exe	30
PID 608 wrote to memory of 1772	608	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\message_v4.rpmsg
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\message_v4.rpmsg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:608
- - 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\message_v4.rpmsg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1772

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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