ed1a825ece284b08ac36e1b4f65c9341e96ba777903d1651a39a450d557770a9

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22/05/2024, 11:53

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General

Target

f_all.sh
Size

126B
MD5

16982e3da51fabc83141e849271b6153
SHA1

c35e2d1cb8cc013d704c03d34525023ad9c32668
SHA256

ed1a825ece284b08ac36e1b4f65c9341e96ba777903d1651a39a450d557770a9
SHA512

47d271155aef8cea86a60e498dded9575a8210a90896b55b7b71d88ad0d42b99dc26b66b1d4fc711be3a7a3cb272fd80faa4dd13bea9ec27601a2f997b68cd4b

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\sh_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2732	1868	cmd.exe	29
PID 1868 wrote to memory of 2732	1868	cmd.exe	29
PID 1868 wrote to memory of 2732	1868	cmd.exe	29
PID 2732 wrote to memory of 2816	2732	rundll32.exe	30
PID 2732 wrote to memory of 2816	2732	rundll32.exe	30
PID 2732 wrote to memory of 2816	2732	rundll32.exe	30
PID 2732 wrote to memory of 2816	2732	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\f_all.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\f_all.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2732
- - 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\f_all.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

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
d91ee18328025a6b48bd7cc1a5ce0919

SHA1
5c1a154aabebab6ea0bafae63269578db880994c

SHA256
b2818b416f823428ee314ed772917e61cd6e596c2a97967cb1e5086e80e773c9

SHA512
38d94c069dbe906e8bc31b08ba829e9ffc0123bef4c623bbe2bfb4bdeba18edb0b38800dc1913cf0cfd2fe4c70d13679f698770dbdf6e393f8bc1d1c0f981512

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