7b252e149c75956c0f103a1b019aee20004e8c5b8ec5011becc283aca581507a

Analysis

max time kernel
150s
max time network
128s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 06:25

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General

Target

Quotation.jar
Size

118KB
MD5

3025deb4a8f51cc463b3784961b00b9d
SHA1

693fcc0e8c4ce1a62d79ed490e8cbdfbb52d3346
SHA256

7b252e149c75956c0f103a1b019aee20004e8c5b8ec5011becc283aca581507a
SHA512

fe244cf750e826ef4342d88cffecc3b78fd20c4eabb673802681ec1317b86c24233f475b5caf1b1d901823ee4deb9196c32d5bfac73de4c0a70b80322c37df11

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

java.exewscript.exe

description	pid	process	target process
PID 1040 wrote to memory of 1972	1040	java.exe	wscript.exe
PID 1040 wrote to memory of 1972	1040	java.exe	wscript.exe
PID 1040 wrote to memory of 1972	1040	java.exe	wscript.exe
PID 1972 wrote to memory of 1712	1972	wscript.exe	javaw.exe
PID 1972 wrote to memory of 1712	1972	wscript.exe	javaw.exe
PID 1972 wrote to memory of 1712	1972	wscript.exe	javaw.exe

C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Quotation.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1040

C:\Windows\system32\wscript.exe
wscript C:\Users\Admin\ltvywopbtr.js
2⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Program Files\Java\jre7\bin\javaw.exe
"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\hmarvabtst.txt"
3⤵
PID:1712

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\hmarvabtst.txt
MD5
3b098ed6aa7c3b342772a135129afebd

SHA1
f5b5e634b40d0a043c77f48a259dab9b5eea1f5b

SHA256
4a4a333147eb03fa0bfb7d0f03b37585669e4d056d63d31beecbb56eafc80c91

SHA512
56157f4c0168098877927c46334ac6f1236d18147ad331797152d71a3281d5e2d7bf24c5b0609f868cbf94ec978f6f4e91d882f596e7a97605bd42d4f619e98f

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C:\Users\Admin\ltvywopbtr.js
MD5
afa8a2405270564c521d461ad00122df

SHA1
61e8553d531aa7ab7005a8ab58f4b6fcd4583a1c

SHA256
08fc942a3c8a9342e18e835316100440d441c36a613787bfc2010dc947362a95

SHA512
c4bb09f1d540562767e6243f7542a3bffa07c5fe8e89ebc0b47bd035d8438e3ef655acf1dc3a514a6d8cee7a3a31bf0109046aa799fb3daed0cf21fdbe8e0fda

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memory/1040-59-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

Filesize
8KB

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memory/1040-60-0x00000000022D0000-0x0000000002540000-memory.dmp

Filesize
2.4MB

Download
memory/1040-62-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1712-64-0x0000000000000000-mapping.dmp

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memory/1712-67-0x0000000002240000-0x00000000024B0000-memory.dmp

Filesize
2.4MB

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memory/1712-68-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

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memory/1712-69-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

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memory/1712-72-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

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memory/1712-73-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

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memory/1972-61-0x0000000000000000-mapping.dmp

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