83d3a65f9f7673226e5df8579cde00f16d7b85a3640d320f57ac1e8b5ed8c35f

Analysis

max time kernel
131s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15/06/2023, 01:58

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General

Target

SUSPECTED PHISHING (Incident 14341) Response required - Accepted - AU 2020289149 - Your ref ISP1V212.7z
Size

110KB
MD5

5ef8f0bf232bdd11b50f8aaf856ae8cb
SHA1

452d714e9e5242377e4ba2c316fe2644cf0c9793
SHA256

83d3a65f9f7673226e5df8579cde00f16d7b85a3640d320f57ac1e8b5ed8c35f
SHA512

e8f0bd73a89877d1fd7c6ea2531381cd20c35e6409716dd138db0fb27be36b5f9b108588272cddfbfba74e747a4b51570083f7f9a8236feb469d1e0c1f7dd82f
SSDEEP

3072:LYyIcJ0VCc84+53Kwysvzv7UWdz3tVFPThTegIAA7:LYkSsjRZiwzDUWt3tfL5c

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 10 IoCs

description	ioc	Process
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\7z_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.7z	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
340	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
340	AcroRd32.exe
340	AcroRd32.exe
340	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1760	1544	cmd.exe	29
PID 1544 wrote to memory of 1760	1544	cmd.exe	29
PID 1544 wrote to memory of 1760	1544	cmd.exe	29
PID 1760 wrote to memory of 340	1760	rundll32.exe	30
PID 1760 wrote to memory of 340	1760	rundll32.exe	30
PID 1760 wrote to memory of 340	1760	rundll32.exe	30
PID 1760 wrote to memory of 340	1760	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\SUSPECTED PHISHING (Incident 14341) Response required - Accepted - AU 2020289149 - Your ref ISP1V212.7z"
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SUSPECTED PHISHING (Incident 14341) Response required - Accepted - AU 2020289149 - Your ref ISP1V212.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1760
- - 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\SUSPECTED PHISHING (Incident 14341) Response required - Accepted - AU 2020289149 - Your ref ISP1V212.7z"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:340

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
589794df09e1216b53986aed615aa22f

SHA1
9fa71d2c7178246e994c668272a5533e84fb3e84

SHA256
b50b4266e2cd4db234b417e8ea727ce0d7f35fae02299def121ea1ef3f7b1291

SHA512
c28d49d30b54ecb7ac1469a635e4ecb45a4717fb9c3e68cb988d40faa518665ced6d7a75ee949ebdb311e955fb1fc1724336b568ee04ab30fbaa8d075e0df930

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