77e4220f82cf6295f1cd743c63543705c222d9a469f68992bcb443d95e9adf54

Analysis

max time kernel
150s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27/05/2023, 15:23

Target

locale/ja/LC_MESSAGES/default.po
Size

22KB
MD5

651cceb2d13c5c17082eeb8219ae9e1f
SHA1

95f49e1d903f067b334571f60bf126229b598de2
SHA256

e29f6eac641d6938853fc2170726f8f1800bb9b09cc7dc3b5262955a19060438
SHA512

212be1cb4920e316407196d7b22e653c9a2ee4f6911248b7fe32b9b95d6c9a6b07dc1a2ebff4df184745d44e6c738a2ca79875bf44fd39475b6dd8f4c8e19856
SSDEEP

192:erypBCGMuU4JA5M7rFjW+PPpb0VY+K73P8DDJIlg+3esmDXiPtQ4aqNtc9G3yM69:uyzq1/VY+eg5lSP6I3yM6QVsb

Score

3^/10

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\po_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\po_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.po	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.po\ = "po_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\po_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\po_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\po_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\po_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1152	2004	cmd.exe	29
PID 2004 wrote to memory of 1152	2004	cmd.exe	29
PID 2004 wrote to memory of 1152	2004	cmd.exe	29
PID 1152 wrote to memory of 1980	1152	rundll32.exe	30
PID 1152 wrote to memory of 1980	1152	rundll32.exe	30
PID 1152 wrote to memory of 1980	1152	rundll32.exe	30
PID 1152 wrote to memory of 1980	1152	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locale\ja\LC_MESSAGES\default.po
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locale\ja\LC_MESSAGES\default.po
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1152
- - 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\locale\ja\LC_MESSAGES\default.po"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1980

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact