5e6f83f34043164233622602d76bc302464ca4e82a5630fe220b7ef8495a8ee6

Analysis

max time kernel
151s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01-09-2023 20:54

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General

Target

Raftblock v.1.0.1/region/r.-1.0.mca
Size

5.6MB
MD5

eaf11e3fb5202fd2a4f5f84b4fc26348
SHA1

e8e5fea047fe616b88d3e9bb3d0efa41dd5c6da6
SHA256

1fa64b5110eb0a6a9c34916909a85a4287fb7de902d543d0f49dabe2e6bf773f
SHA512

406c692354316a38ae4d6122adde2548116c32941d8667edf6bbd7da325abba08f757dde9e4a72332270d0ca0081dc05f6ca5b579db9c2aa0fb7d33674cba84a
SSDEEP

98304:SQXihjEJMZfbgyCaTSqU+mlAqk/0T3kGiQk68kazCQpt8O0j8E:S+wjZbgzwuqUn+maGQptFj

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-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\.mca	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\.mca\ = "mca_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\mca_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\mca_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\mca_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\mca_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\mca_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\mca_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3056	3012	cmd.exe	29
PID 3012 wrote to memory of 3056	3012	cmd.exe	29
PID 3012 wrote to memory of 3056	3012	cmd.exe	29
PID 3056 wrote to memory of 2736	3056	rundll32.exe	30
PID 3056 wrote to memory of 2736	3056	rundll32.exe	30
PID 3056 wrote to memory of 2736	3056	rundll32.exe	30
PID 3056 wrote to memory of 2736	3056	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Raftblock v.1.0.1\region\r.-1.0.mca"
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Raftblock v.1.0.1\region\r.-1.0.mca
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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\Raftblock v.1.0.1\region\r.-1.0.mca"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2736

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

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Downloads

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

Filesize
3KB

MD5
03a4dbbf90e727769a4199a3e4426763

SHA1
38645cf497c224d4fa2cb194eb8f9da4a6d972f3

SHA256
b280a9a7c52c3e30272ed830d0efb2a287e366fe27c72701146991c1f5710bee

SHA512
d26fee37bb9d0de1754e818b76bc49c6f54fb735b96428a5d283adfe182de47180420645f71dabd34852689940cc58ec4169b3e31c6ed95af27e892162241d57

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