38facb965b81f50688bc6ae1ae6132e2cf87679b3e60fdd96772c2c5a81411b1

Analysis

max time kernel
204s
max time network
69s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 12:31

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Report Analysis Logs

General

Target

InstaReport-main/setup.sh
Size

3KB
MD5

8415dacf6557b40ed2b5d5ccb175c741
SHA1

7fd7b3d7f0409644a48fa4cdb0e1c9b3ecbfcdba
SHA256

adb621c27290001ec3583ef30be292098b261987dcc30092d97632334e43d505
SHA512

334320dd64aebbf014005b96a202a2be8442193dfa87f54b0ff6aff58ee6893dde388e7575a5688f02c9ee40496f70fe175fb6808fa88d78fa5b3bb14adac3c2

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\sh_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1308 AcroRd32.exe
1308 AcroRd32.exe
1308 AcroRd32.exe

pid	process
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 316 wrote to memory of 776	316	cmd.exe	rundll32.exe
PID 316 wrote to memory of 776	316	cmd.exe	rundll32.exe
PID 316 wrote to memory of 776	316	cmd.exe	rundll32.exe
PID 776 wrote to memory of 1308	776	rundll32.exe	AcroRd32.exe
PID 776 wrote to memory of 1308	776	rundll32.exe	AcroRd32.exe
PID 776 wrote to memory of 1308	776	rundll32.exe	AcroRd32.exe
PID 776 wrote to memory of 1308	776	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\InstaReport-main\setup.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\InstaReport-main\setup.sh
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:776

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\InstaReport-main\setup.sh"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1308

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/316-54-0x000007FEFC101000-0x000007FEFC103000-memory.dmp

Filesize
8KB

Download
memory/776-76-0x0000000000000000-mapping.dmp

Download
memory/1308-81-0x0000000000000000-mapping.dmp

Download
memory/1308-82-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download