fbae68a26f20150a540f528586f8bd47e5eadac3b111995da5e77746305f145d

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20231130-en
resource tags

arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
submitted
04-12-2023 18:20

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General

Target

tf2hud-editor/JSON/flawhud.json
Size

56KB
MD5

57cc39e663c36882b01f215080a439ab
SHA1

dce0210250081d562d0d5b35a5c8291cf4cb22f8
SHA256

3ba361992f8cf04c202c832574b410cd3fcd496a7d83d3995e9fbfde1e8a348f
SHA512

104ac78354d4c20224cf563f24ea8bb2c1c1790abc4fbec977f0ed98624d61389985734d996dfa3df8fb901e0b9e3fbdc989065cac539af708c5a23c72bfd725
SSDEEP

384:3qhbu0WHv2M72LfCft3G0igYx28IdxUKBhBaYr0a:6hTWT72LfCfhGjHIdxUs

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-1-5-21-2058106572-1146578376-825901627-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2896	2880	cmd.exe	29
PID 2880 wrote to memory of 2896	2880	cmd.exe	29
PID 2880 wrote to memory of 2896	2880	cmd.exe	29
PID 2896 wrote to memory of 2672	2896	rundll32.exe	30
PID 2896 wrote to memory of 2672	2896	rundll32.exe	30
PID 2896 wrote to memory of 2672	2896	rundll32.exe	30
PID 2896 wrote to memory of 2672	2896	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tf2hud-editor\JSON\flawhud.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tf2hud-editor\JSON\flawhud.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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\tf2hud-editor\JSON\flawhud.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2672

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
cd2b0838151110426756aecdf83a6bb2

SHA1
2798e0648c348aaeb7c9118b9ab1b61f62d86c9d

SHA256
7897e5a4c576a405f0de97757062b125e61ff7d8de84827f0a4666e2458ef932

SHA512
093094b1bf036d63db2c4c80b6a19c8612ebed36f986cd9665773bed7638dfc567f3ef5552103ae4e0a161117d5f80191edde1545463c44d9c755470d12ef792

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