240930a07d5f5ffed539cb57e6ebf591213b57e4876483bfdf77dc949e7b6fd8

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 05:30

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General

Target

install-import-excel.sh
Size

444B
MD5

2886073c948182d6c0d2c08e47c00bd5
SHA1

1fd42a105868a6122dd689fa1103aaac102a0cdf
SHA256

240930a07d5f5ffed539cb57e6ebf591213b57e4876483bfdf77dc949e7b6fd8
SHA512

8bfde8f5e0e082032b8059da36f6dfec6eaf78577b5861bdc0765a3e12d35daa7e1a32dea197f788f6644c47446f3abd27d4ef7f929d40d9b5d18d28184fc85d

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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sh_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2396	2848	cmd.exe	29
PID 2848 wrote to memory of 2396	2848	cmd.exe	29
PID 2848 wrote to memory of 2396	2848	cmd.exe	29
PID 2396 wrote to memory of 2568	2396	rundll32.exe	30
PID 2396 wrote to memory of 2568	2396	rundll32.exe	30
PID 2396 wrote to memory of 2568	2396	rundll32.exe	30
PID 2396 wrote to memory of 2568	2396	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\install-import-excel.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\install-import-excel.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2396
- - 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\install-import-excel.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2568

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
9d409aa67c63dae5f944fa54c6bc92c1

SHA1
58d11b75d114cf472635416906e0ef138a857f81

SHA256
eedaeedd1f6e5d48f748909ecf0a1f725e5812c4811705d36315fddc70738064

SHA512
62dd3bdab659cc7f2e6fbca9265e0c342892d8e590bde21640d464f3931723f4683f81ed22b4a60b8e0aac8eb837aedb051dfee3d4ba26eb2d0ea1e564e8c5da

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