a618741c9fac2dcf1fe823eb335b696eac70866614a5e75b8f8e7a878f0f0746

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-07-2023 07:40

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General

Target

.jgapp
Size

16B
MD5

402b01b54381b28ee11d64d53d90f442
SHA1

7be2d783d266e5097fd65a6d1ab01d140e82e885
SHA256

61200b799ed0bd3977d9cd382f58a1e60fd583cefc1007c36950aabaf168f403
SHA512

ce0b8ff048cd2ff6bdafe6bd6928f896b088ad7e2ded857ec871d89e9fd035bd1577c7bcb49c3e16577d7a1b0b39a1e500541b5e33662244b7d6b84662c130e0

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-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\jgapp_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.jgapp	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.jgapp\ = "jgapp_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\jgapp_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\jgapp_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\jgapp_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\jgapp_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\jgapp_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2964	1860	cmd.exe	29
PID 1860 wrote to memory of 2964	1860	cmd.exe	29
PID 1860 wrote to memory of 2964	1860	cmd.exe	29
PID 2964 wrote to memory of 2940	2964	rundll32.exe	30
PID 2964 wrote to memory of 2940	2964	rundll32.exe	30
PID 2964 wrote to memory of 2940	2964	rundll32.exe	30
PID 2964 wrote to memory of 2940	2964	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\.jgapp
1⤵
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.jgapp
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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\.jgapp"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2940

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

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Downloads

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

Filesize
3KB

MD5
e7ee7c19fff99c237ac1dfeae63960ad

SHA1
1491914e29debe77deded048ac349461edca95a5

SHA256
b0207a6f60a907486c5283d7c5aa5d1b59d0a74d6b6904380ac45bb21087e7ad

SHA512
7e6ee3df5574b2bf8e0a6343132c5f52ec584e9df1818ca797c291d1075356359aff3bee1d7b21f330758d1c938c419a4f5abe48763c6e175b586693d45d07f0

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