6fa8356f35968afc15ecb036d17e197dfc310fcd5a42fa952183bd4b5a37fc36

Resubmissions

02-08-2024 17:05

240802-vlzpjaxbrd 7

02-08-2024 17:02

240802-vj9fyssbrr 7

Analysis

max time kernel
103s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 17:02

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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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2896	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2896	AcroRd32.exe
2896	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2824	2300	cmd.exe	30
PID 2300 wrote to memory of 2824	2300	cmd.exe	30
PID 2300 wrote to memory of 2824	2300	cmd.exe	30
PID 2824 wrote to memory of 2896	2824	rundll32.exe	31
PID 2824 wrote to memory of 2896	2824	rundll32.exe	31
PID 2824 wrote to memory of 2896	2824	rundll32.exe	31
PID 2824 wrote to memory of 2896	2824	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\TeddyPcFiles\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2300
- 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:2824
- - 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:2896

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

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Downloads

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

Filesize
3KB

MD5
a0df54ad4c36aa9a8cfb809dbb6c386b

SHA1
0992746508dccae985ee6e61d52131684783decb

SHA256
fbb3fd46abcd33bcea20726ff285b947a7fac97b2d15b104692cd11ff299bc73

SHA512
cb8dc3a888f8bd785faaaf339c9b020e65d5847eba4843133372af8c4bbc46a69090e52eeb54889ed0db2b02ae89027027bc935e7eaedf48c4104546be199d8c

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