843d5892ae16569f2b69899a9b344c4d8a36d441591006c9075c497a3bf7af20

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20230824-en
resource tags

arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
submitted
29-08-2023 18:41

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General

Target

tmp/.org.chromium.Chromium.CIiP1D/4be5c8194aa6b4dce9271bdda525d0d8ba9b60b9fbee2b6ab9d7191bcf40deef.puff
Size

5KB
MD5

279269dc030859a448f931557ea5db7d
SHA1

97065106a598bb35a35df78d965fa684bd42a74d
SHA256

4be5c8194aa6b4dce9271bdda525d0d8ba9b60b9fbee2b6ab9d7191bcf40deef
SHA512

469e10145998e26e4dceac10affc0d839e0733a7ce59b6738cae02500f0b59077cad527b5dd701e612226a7b1a3c400d0ee2b3a134cde16a71a87eeca723bdcf
SSDEEP

96:fcdV0amS1BcZdAiRhO6hUBxikoWr/km1E2fW73ZWKlLMm4xYFv2QPuBGXmZig:Ud2amu2vXh2xiko2/M2fW70GTv7GB4mJ

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-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\.puff	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\.puff\ = "puff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\puff_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\puff_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\puff_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\puff_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\puff_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\puff_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2388	AcroRd32.exe
2388	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2056	2020	cmd.exe	31
PID 2020 wrote to memory of 2056	2020	cmd.exe	31
PID 2020 wrote to memory of 2056	2020	cmd.exe	31
PID 2056 wrote to memory of 2388	2056	rundll32.exe	32
PID 2056 wrote to memory of 2388	2056	rundll32.exe	32
PID 2056 wrote to memory of 2388	2056	rundll32.exe	32
PID 2056 wrote to memory of 2388	2056	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tmp\.org.chromium.Chromium.CIiP1D\4be5c8194aa6b4dce9271bdda525d0d8ba9b60b9fbee2b6ab9d7191bcf40deef.puff
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tmp\.org.chromium.Chromium.CIiP1D\4be5c8194aa6b4dce9271bdda525d0d8ba9b60b9fbee2b6ab9d7191bcf40deef.puff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2056
- - 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\tmp\.org.chromium.Chromium.CIiP1D\4be5c8194aa6b4dce9271bdda525d0d8ba9b60b9fbee2b6ab9d7191bcf40deef.puff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2388

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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