5e6f83f34043164233622602d76bc302464ca4e82a5630fe220b7ef8495a8ee6

Analysis

max time kernel
150s
max time network
126s
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/poi/r.-1.-1.mca
Size

16KB
MD5

303a4ee8c4eb45ea8517ae600ebb2035
SHA1

98e71d64bdb2f780c44577bacd87564f36042575
SHA256

f6f4e9940259052a75eaa79a224a06fb5f5b8363223a9309e51c43013d2a2f41
SHA512

a58a02550769e517e9ab1447f6a98360d410bbd0016571a245cf12ccbafc86a9ec31a6eb76d444677d44a0d06dcbcdfd85f1bc8a4b0aa051cb6aa7af518ebd2f
SSDEEP

3:E//Lll//P7owxdC64owSuFHjIqMz/ILYDmpWzxuBfB+g2NmDl9P7owxdC64owSud:E//LMwZlwN1MDup+g8uMwZlwNG

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-1-5-21-3849525425-30183055-657688904-1000_CLASSES\mca_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\mca_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_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-1-5-21-3849525425-30183055-657688904-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\mca_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.mca	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.mca\ = "mca_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\mca_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\mca_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2308	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2812	2816	cmd.exe	29
PID 2816 wrote to memory of 2812	2816	cmd.exe	29
PID 2816 wrote to memory of 2812	2816	cmd.exe	29
PID 2812 wrote to memory of 2308	2812	rundll32.exe	30
PID 2812 wrote to memory of 2308	2812	rundll32.exe	30
PID 2812 wrote to memory of 2308	2812	rundll32.exe	30
PID 2812 wrote to memory of 2308	2812	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Raftblock v.1.0.1\poi\r.-1.-1.mca"
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- 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\poi\r.-1.-1.mca
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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\poi\r.-1.-1.mca"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2308

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
16f29acf52bbc2c7520ca441e308d0d9

SHA1
e83f90c7b50a99f80a0210ee02ab4c87840df1ae

SHA256
2de360cc62c848b88c6e02b1e7f8fad97911c34d32f581a12c1934eddb14b6ca

SHA512
841eeaa8fdd2b6d459ea7ed125f42909230b51c78d0e9a59b2d3ed9072339069a702ad629a8a653813ad92d6e78c5192ceb0353c3c0f673d6c8c52a073ecebcd

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