c2bc72275723e146fb6702d45f181c91e62653c5e59c941698b8f1c5bd2fb82b

Analysis

max time kernel
299s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/03/2023, 00:31

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General

Target

SALES_CONTRACT_DS092094837_127KB_exports_REFERENCE_OEEUE_EXPORT-SUMMARY-14TH-MARCH-2023.xxe
Size

44KB
MD5

efa913c3cac0cd17305d84ee010f27c8
SHA1

c724d5b554f094fbb60cd603da4bf91785802ddf
SHA256

c2bc72275723e146fb6702d45f181c91e62653c5e59c941698b8f1c5bd2fb82b
SHA512

a8a4eb6c8770a7afd01e3b8a6d5a8d25ec5ece5efa53abd763475c96dfd84ea532d9611a02ec0dfa9cc259e3cfec781c39099a65a19a29f5999f7276191ed921
SSDEEP

3::

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.xxe	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.xxe\ = "xxe_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\xxe_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\xxe_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\xxe_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\xxe_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\xxe_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\xxe_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1156	AcroRd32.exe
1156	AcroRd32.exe
1156	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 1224	1144	cmd.exe	28
PID 1144 wrote to memory of 1224	1144	cmd.exe	28
PID 1144 wrote to memory of 1224	1144	cmd.exe	28
PID 1224 wrote to memory of 1156	1224	rundll32.exe	29
PID 1224 wrote to memory of 1156	1224	rundll32.exe	29
PID 1224 wrote to memory of 1156	1224	rundll32.exe	29
PID 1224 wrote to memory of 1156	1224	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SALES_CONTRACT_DS092094837_127KB_exports_REFERENCE_OEEUE_EXPORT-SUMMARY-14TH-MARCH-2023.xxe
1⤵
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SALES_CONTRACT_DS092094837_127KB_exports_REFERENCE_OEEUE_EXPORT-SUMMARY-14TH-MARCH-2023.xxe
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1224
- - 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\SALES_CONTRACT_DS092094837_127KB_exports_REFERENCE_OEEUE_EXPORT-SUMMARY-14TH-MARCH-2023.xxe"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1156

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

Windows 7 deprecation

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