1789dfdee3170d75453393feb884c41eac361ce5ee848998b9d3755ee7c359f9

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Analysis

max time kernel
18s
max time network
17s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
17-06-2024 06:22

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General

Target

.bash_history
Size

30B
MD5

cd41a63f10a40680b3f60d5fc67af9db
SHA1

2aee20db5e38cbad53d26001025604dcb7643cf3
SHA256

7032a698c8561c88a6413cfdf4ee82994424f0bb78516b9c75972ee96890c354
SHA512

60b575fa7b76f05dd096f163c5b645abcd9b64bf961dbd73e6a81f38506ef1b39935dd3e4e16947d30d4c2ec2e5c2f4c50b90e8393dc30b7ed0ed731f20c7bff

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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\bash_history_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\bash_history_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\bash_history_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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\bash_history_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.bash_history	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.bash_history\ = "bash_history_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\bash_history_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\bash_history_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2536	AcroRd32.exe
2536	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2512	2340	cmd.exe	29
PID 2340 wrote to memory of 2512	2340	cmd.exe	29
PID 2340 wrote to memory of 2512	2340	cmd.exe	29
PID 2512 wrote to memory of 2536	2512	rundll32.exe	30
PID 2512 wrote to memory of 2536	2512	rundll32.exe	30
PID 2512 wrote to memory of 2536	2512	rundll32.exe	30
PID 2512 wrote to memory of 2536	2512	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\.bash_history
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.bash_history
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2512
- - 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\.bash_history"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2536

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
5ad888ba21b02d657e02491ed1c02c3e

SHA1
70b96f01ae2a4435f2ab0dac7ccc90505e868c05

SHA256
495c854de1e34f386606a8d758fb15097d5670dc0dcf7d2b94aeb29b1c6fc2f6

SHA512
153ea6dc269360b1466cd5aa33377041899195d8d7bb3f41374ebe2d7e1a89cacd25852725ff494edc27e2f1e1abc82ecd4fe1434bf7c5db9b178bf86191e05b

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