5e6f83f34043164233622602d76bc302464ca4e82a5630fe220b7ef8495a8ee6

Analysis

max time kernel
151s
max time network
128s
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.-1.mca
Size

4.2MB
MD5

d7e2b4a6f2aa878fdc60729178701eb3
SHA1

ac52c5ec333f5db9eb8d9cd2edec1cefd0aaa696
SHA256

bf45f348bb8d00d726bd77d50f337b06d763af9263d22a5c6c3d338f21e1ee29
SHA512

1cc22d3c2c0bcff5fe89ee77134fc79f90af6c62ce7e4c01d64d47340116678587444c861773c56f0cb2cf7cbc10561c294fefc7cbb58965fa1555d8e4d3762a
SSDEEP

98304:D9vjqc/+k1D6fl19y/VPpIf2ICXnz2Z0u:1jxG3s/VPpZAau

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-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\mca_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.mca	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\mca_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\mca_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_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-1-5-21-607259312-1573743425-2763420908-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\mca_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.mca\ = "mca_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\mca_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2580	2956	cmd.exe	29
PID 2956 wrote to memory of 2580	2956	cmd.exe	29
PID 2956 wrote to memory of 2580	2956	cmd.exe	29
PID 2580 wrote to memory of 2708	2580	rundll32.exe	30
PID 2580 wrote to memory of 2708	2580	rundll32.exe	30
PID 2580 wrote to memory of 2708	2580	rundll32.exe	30
PID 2580 wrote to memory of 2708	2580	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Raftblock v.1.0.1\region\r.-1.-1.mca"
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- 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.-1.mca
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2580
- - 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.-1.mca"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2708

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

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Downloads

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

Filesize
3KB

MD5
fd23cc0d3963f71c90b156c05577c006

SHA1
62cb45395341ca328898223b9a5f77ddb3451216

SHA256
00cad9827adcddca2b574d8664935b9ea44a19e45786d39e2af8bd85a7d09fc8

SHA512
6a00b6e74e93fdfbe20a1f5ad1b41aa9e45c6fec903ac022e7afa00f854a7bef86a688f4e4fb8d7625534992c1bfc8c110ea65851916bdf885f3adbe9043d1fc

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