6fa8356f35968afc15ecb036d17e197dfc310fcd5a42fa952183bd4b5a37fc36

Resubmissions

02-08-2024 17:05

240802-vlzpjaxbrd 7

02-08-2024 17:02

240802-vj9fyssbrr 7

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 17:05

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General

Target

TeddyPcFiles/config.json
Size

99B
MD5

668a1b746e7bce9ff92bcf04fecb2014
SHA1

83d39ef8457d8c03c7e2dff8db688833fe4eb495
SHA256

c5ed2b2dcbda5dc58f8c1ad7652f0c7e0432d5900683b798b72970065817cdb8
SHA512

2b11a3f36223088b203ceae4d1207f1100a6cbb44556e235f82dc4c5ea0d32798800a3b41b99f57e6a30d9a47d773f0bb1b4ca62dff8c9a00be87afbdc3a1208

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_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
2892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2892	AcroRd32.exe
2892	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2512	1892	cmd.exe	31
PID 1892 wrote to memory of 2512	1892	cmd.exe	31
PID 1892 wrote to memory of 2512	1892	cmd.exe	31
PID 2512 wrote to memory of 2892	2512	rundll32.exe	32
PID 2512 wrote to memory of 2892	2512	rundll32.exe	32
PID 2512 wrote to memory of 2892	2512	rundll32.exe	32
PID 2512 wrote to memory of 2892	2512	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\TeddyPcFiles\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\TeddyPcFiles\config.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2512
- - 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\TeddyPcFiles\config.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
2e4857fe6a561d539cc2361c6c6e8086

SHA1
3c88ce8b1174a47486917b57af521206a40c81f3

SHA256
407b63be1ee2f801410a5974db8fccf6c853ac10749b89ff18e1f9567ea31a01

SHA512
1d6781bc673c1404d6addf7c4d09b1fa2d9820ddc3ab719b8bdfaad38bf7ac034cb28947fbe954edb82f4369d5074c0de67e95857b83379c08955c4275713eb3

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