aaa87b8aba133ee0db3b44e60ddc93e3c5bd62280439a2c3028bffe0a0f7ced6

Analysis

max time kernel
151s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15-06-2023 14:53

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General

Target

classes/javax/transaction/xa/XAException.class
Size

1KB
MD5

52f48efaa8a32d4fd38c002d609fe6a9
SHA1

7e29bbff50b2243c0dae6ca00a6e988537b74b31
SHA256

47a3dc4f62bc06b7c8eddc30f5a4a33ab4fccd24aef435b24bfbe5cf6ad4fbf8
SHA512

5a9f2d80a9b89f67c18b6e475c36ae57ca69d81d054813f2b840742b4a07d10c2520411e2c1654185005ef3718d17c191e1016e3c9d3972fce0d2f1f41d7266c

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-1-5-21-1914912747-3343861975-731272777-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\class_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.class	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\class_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\class_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-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 1540	1624	cmd.exe	27
PID 1624 wrote to memory of 1540	1624	cmd.exe	27
PID 1624 wrote to memory of 1540	1624	cmd.exe	27
PID 1540 wrote to memory of 564	1540	rundll32.exe	28
PID 1540 wrote to memory of 564	1540	rundll32.exe	28
PID 1540 wrote to memory of 564	1540	rundll32.exe	28
PID 1540 wrote to memory of 564	1540	rundll32.exe	28

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\classes\javax\transaction\xa\XAException.class
1⤵
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\classes\javax\transaction\xa\XAException.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1540
- - 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\classes\javax\transaction\xa\XAException.class"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:564

Network

MITRE ATT&CK Enterprise v6

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
8eca0588fc9fae199aa627dbf0bf0eaf

SHA1
d1bb101237b9d1ae837c919f974956133330ac84

SHA256
93db0361fa736af0a422627542ef559b284c5f6dae51cd68440da69c6a503526

SHA512
cef04e8e2d985702a695e846ac51e4d9646cbccab13bf679d15288de456e197cb4342d0b3760eb8279fd32e0b3b8ab7411c3bd0f309bd5700de7c3859aa2f3ca

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