5e6f83f34043164233622602d76bc302464ca4e82a5630fe220b7ef8495a8ee6

Analysis

max time kernel
153s
max time network
124s
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.-2.mca
Size

1.1MB
MD5

f02769f78d89d8c7da479ef88a148df2
SHA1

83726f7ced2c33e25e0ed8aee2b31d765a49d575
SHA256

7864fcd8f475c2c8b721a57597aa8e311390fb7fb106723cd6fdd0d71c9af4eb
SHA512

60b7bb98263260bce8a6c924fb6c7bef790f53d954ada339ee73dc7376c22f456ecb4325471d032bf3fde6ac4c2809c8d3f7d6f24aacead671bfeaa815d5fb9c
SSDEEP

6144:oOC4yRjwuHd6UUwlXQrXuFjREybqDlPjXX8rxHKfbW:W4yRjwuHd5cuhRLbqDlLXX8Mfb

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-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\mca_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\mca_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\mca_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.mca	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.mca\ = "mca_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\mca_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\mca_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\mca_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2564	2740	cmd.exe	29
PID 2740 wrote to memory of 2564	2740	cmd.exe	29
PID 2740 wrote to memory of 2564	2740	cmd.exe	29
PID 2564 wrote to memory of 2372	2564	rundll32.exe	30
PID 2564 wrote to memory of 2372	2564	rundll32.exe	30
PID 2564 wrote to memory of 2372	2564	rundll32.exe	30
PID 2564 wrote to memory of 2372	2564	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Raftblock v.1.0.1\region\r.-1.-2.mca"
1⤵
- Suspicious use of WriteProcessMemory
PID:2740
- 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.-2.mca
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2564
- - 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.-2.mca"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2372

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
5f2500e03180df35ad070de6f311fbc4

SHA1
68f4a2933eab915add92e5b3418228a15896ec36

SHA256
9cb19213202f9f3c34983f61f2b48dbd761582dc4a5b2b0d9358eeeeea963402

SHA512
d2ed17f257cc1208c3971a0f529c4e5cc37532145ba6e7b6be8e47af279b5eb83e04a9fced703762d4c19784406ef584aa87159c2fc13be6a8c531a4b4714f33

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