0f697e9cca3455c8e54b7b049b4e9632115634615f38e43ddbeb781d978354db

Analysis

max time kernel
117s
max time network
130s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11-03-2024 17:43

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General

Target

web-client/translations/my.json
Size

134KB
MD5

3a2f807a6f660cc02db520afde62814e
SHA1

977f7ace81a96890dc863c233ab14ffdce6e26ba
SHA256

ac0a99152e138f6732411fc48c46774053dcc35f3a8a2fcfc0da2ae531762c6c
SHA512

398c0d04920f09a9fc8cf4972e47d98743df648e5eae31f4fc53fccd1fddcc39464b9d2fa0c2ef62a15127b17c5f78728e8889bebac1469950b8bb985deeb20e
SSDEEP

3072:v18CoLjxCXmoCqVLCVSOwbBZcxg9VtRHx:v18CTp3OwFZcyFx

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2608	AcroRd32.exe
2608	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2604	2956	cmd.exe	29
PID 2956 wrote to memory of 2604	2956	cmd.exe	29
PID 2956 wrote to memory of 2604	2956	cmd.exe	29
PID 2604 wrote to memory of 2608	2604	rundll32.exe	30
PID 2604 wrote to memory of 2608	2604	rundll32.exe	30
PID 2604 wrote to memory of 2608	2604	rundll32.exe	30
PID 2604 wrote to memory of 2608	2604	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\web-client\translations\my.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\web-client\translations\my.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2604
- - 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\web-client\translations\my.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2608

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
928c3d33638e82669181e1b9dfd5b5b4

SHA1
d8ff372136c1e299d80e89551fe0f16dcd70679c

SHA256
4006d5ce0b784f23f2c13d52607f39549c5ce45ae4ac584cfedb4039a4b661bd

SHA512
4cebd7173db2e9b07032fb5d991f100ee995fec10e301c0dab74abc781a4a88da23664cd236bf38d91832489f80e7174b57a851ddd4d371ae181900a5677e8cb

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