2b86d881171d2c4605294f2482a01c12cb93555511e7762b36398e6893ef0eb9

Analysis

max time kernel
153s
max time network
130s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
18/09/2023, 09:53 UTC

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General

Target

ScriptingAssemblies.json
Size

4KB
MD5

f32d760eadbea1f7cce100cdb4f907da
SHA1

bc756e9a885c58dcf2f90e9cdc6857c03fcc6ef2
SHA256

2282eb71ba3d38f79e47a5bf4970a0595c3df03eda4aa04c5e40fdf0a2be80fe
SHA512

6a865094c1dee48d00d32176bac6bf4b53c3746e5ed914cd3e7ff5ff07940ac19f426c124225d532041daf21e7c7549f1d8d1857382c42ea1287d13cb0c6ba7b
SSDEEP

48:YXNxXrj3RlClouNuQGoSfTG/xupYxIzeuTTrk2K:MjhlMouNt5uaxI3PrFK

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-1-5-21-607259312-1573743425-2763420908-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_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
2840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2640	2036	cmd.exe	29
PID 2036 wrote to memory of 2640	2036	cmd.exe	29
PID 2036 wrote to memory of 2640	2036	cmd.exe	29
PID 2640 wrote to memory of 2840	2640	rundll32.exe	30
PID 2640 wrote to memory of 2840	2640	rundll32.exe	30
PID 2640 wrote to memory of 2840	2640	rundll32.exe	30
PID 2640 wrote to memory of 2840	2640	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ScriptingAssemblies.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ScriptingAssemblies.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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\ScriptingAssemblies.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2840

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
41f6eeb72a96ef8417501fe3b964f781

SHA1
ebad0c363dbcdefb7b2241f94888a72fb263ba0a

SHA256
190eae339dccf15753ee846d4e8576867dcbdf43b3a82625b351de4736168ea8

SHA512
bc5d8e499472c7a11d11389a4a96160f55918ea74a9a7da7643ea67fdc4a824fa1ee7867a77485486481e65a4bc1de5438410e0be28f3459c7694961b249d29a

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