Overview
overview
3Static
static
1tampermonk..._1.zip
windows7-x64
1tampermonk..._1.zip
windows10-2004-x64
1LICENSE
windows7-x64
1LICENSE
windows10-2004-x64
1_locales/a...s.json
windows7-x64
3_locales/a...s.json
windows10-2004-x64
3_locales/b...s.json
windows7-x64
3_locales/b...s.json
windows10-2004-x64
3_locales/c...s.json
windows7-x64
3_locales/c...s.json
windows10-2004-x64
3_locales/d...s.json
windows7-x64
3_locales/d...s.json
windows10-2004-x64
3_locales/d...s.json
windows7-x64
3_locales/d...s.json
windows10-2004-x64
3_locales/e...s.json
windows7-x64
3_locales/e...s.json
windows10-2004-x64
3_locales/e...s.json
windows7-x64
3_locales/e...s.json
windows10-2004-x64
3_locales/e...s.json
windows7-x64
3_locales/e...s.json
windows10-2004-x64
3_locales/f...s.json
windows7-x64
3_locales/f...s.json
windows10-2004-x64
3_locales/h...s.json
windows7-x64
3_locales/h...s.json
windows10-2004-x64
3_locales/h...s.json
windows7-x64
3_locales/h...s.json
windows10-2004-x64
3_locales/h...s.json
windows7-x64
3_locales/h...s.json
windows10-2004-x64
3_locales/i...s.json
windows7-x64
3_locales/i...s.json
windows10-2004-x64
3_locales/i...s.json
windows7-x64
3_locales/i...s.json
windows10-2004-x64
3Analysis
-
max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
11-06-2024 18:31
Static task
static1
Behavioral task
behavioral1
Sample
tampermonkey_5_1_1.zip
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
tampermonkey_5_1_1.zip
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
LICENSE
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
LICENSE
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
_locales/ar/messages.json
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
_locales/ar/messages.json
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
_locales/be/messages.json
Resource
win7-20240215-en
Behavioral task
behavioral8
Sample
_locales/be/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
_locales/cs/messages.json
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
_locales/cs/messages.json
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
_locales/da/messages.json
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
_locales/da/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
_locales/de/messages.json
Resource
win7-20240508-en
Behavioral task
behavioral14
Sample
_locales/de/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
_locales/el/messages.json
Resource
win7-20240419-en
Behavioral task
behavioral16
Sample
_locales/el/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
_locales/en/messages.json
Resource
win7-20240215-en
Behavioral task
behavioral18
Sample
_locales/en/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
_locales/es/messages.json
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
_locales/es/messages.json
Resource
win10v2004-20240426-en
Behavioral task
behavioral21
Sample
_locales/fr/messages.json
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
_locales/fr/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
_locales/hi/messages.json
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
_locales/hi/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
_locales/hr/messages.json
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
_locales/hr/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
_locales/hu/messages.json
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
_locales/hu/messages.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
_locales/id/messages.json
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
_locales/id/messages.json
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
_locales/it/messages.json
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
_locales/it/messages.json
Resource
win10v2004-20240426-en
General
-
Target
_locales/fr/messages.json
-
Size
48KB
-
MD5
6e3ef49a51100af1b1ca30dd33f86b4c
-
SHA1
041d5cc5be959360e8506635381447abc954adf6
-
SHA256
abaa5299bdab1d315abf53a003df57be8e73edbe557dbb8afa59da1028ad793b
-
SHA512
4660cc50d5514b610a2b1cddba5dddb2ba47681c06de7306737d1c4f803d8f91203971c8faf4963e406ed90591fa86f3cf4b953878bc219b711d7df24783750e
-
SSDEEP
768:2oYSUAUu9n+YZgg3s9YVHwzTnl6wto66kfTRS6zYR:WSUubggaYpwAwtd/zYR
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.json\ = "json_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell\Read rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.json rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2664 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2664 AcroRd32.exe 2664 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2128 wrote to memory of 3040 2128 cmd.exe rundll32.exe PID 2128 wrote to memory of 3040 2128 cmd.exe rundll32.exe PID 2128 wrote to memory of 3040 2128 cmd.exe rundll32.exe PID 3040 wrote to memory of 2664 3040 rundll32.exe AcroRd32.exe PID 3040 wrote to memory of 2664 3040 rundll32.exe AcroRd32.exe PID 3040 wrote to memory of 2664 3040 rundll32.exe AcroRd32.exe PID 3040 wrote to memory of 2664 3040 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\_locales\fr\messages.json1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\_locales\fr\messages.json2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
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\_locales\fr\messages.json"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEventsFilesize
3KB
MD5f757f11258b8f84ac8f474653a9f43b6
SHA1ccd72d6237e9aede2622e1027cb5ca7e637002fd
SHA256768e22d5a796f8f88aeb7f586bf945800d82f3bd733a7b97dfb54ca2fb8639bf
SHA5128b6c70948e7d4e709837104f6ca5bb525d2d921b90577e3a7598c00f7f6e9cdb20ed36aac483c59fac668d9ffe00770483fb7cc680f774e8fd7d80b62c124dd4