46a4cab8778211dc9bc824b607741cd03c8fdb799a8e90d106efc22f57b06281

Analysis

max time kernel
40s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
22-04-2021 06:02

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General

Target

PO#5200668.jar
Size

175KB
MD5

3ad760b40ee49e61becff81d532ac85e
SHA1

1a876cf8130ece99630865cd70810f3dd5166679
SHA256

46a4cab8778211dc9bc824b607741cd03c8fdb799a8e90d106efc22f57b06281
SHA512

d7fdee20687ce29d41b1620c8afa2e94c4f8f40c049542148942bbf2ac05646f045bd0cce1a64999e1ef4ff3d6ff99bab4819db76b35df8c65f648089ca9b5ff

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 12 IoCs

Processes:

java.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb	java.exe

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.exejavaw.exe

description	pid	process	target process
PID 852 wrote to memory of 3980	852	java.exe	wscript.exe
PID 852 wrote to memory of 3980	852	java.exe	wscript.exe
PID 3980 wrote to memory of 200	3980	wscript.exe	javaw.exe
PID 3980 wrote to memory of 200	3980	wscript.exe	javaw.exe
PID 200 wrote to memory of 3220	200	javaw.exe	java.exe
PID 200 wrote to memory of 3220	200	javaw.exe	java.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PO#5200668.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SYSTEM32\wscript.exe
wscript C:\Users\Admin\vpjwxgdblj.js
2⤵
- Suspicious use of WriteProcessMemory
PID:3980

C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\upfystt.txt"
3⤵
- Suspicious use of WriteProcessMemory
PID:200

C:\Program Files\Java\jre1.8.0_66\bin\java.exe
"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\upfystt.txt"
4⤵
- Drops file in Program Files directory
PID:3220

Network

MITRE ATT&CK Enterprise v6

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\.oracle_jre_usage\90737d32e3aba4b.timestamp
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1594587808-2047097707-2163810515-1000\83aa4cc77f591dfc2374580bbd95f6ba_cc51e87d-bda7-4ef7-80cf-c431fec6b805
MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
C:\Users\Admin\AppData\Roaming\upfystt.txt
MD5
c33235baef599c49bd6fa9020f528ec5

SHA1
ad9743c9322d4aef8690c47b7c311e5290e287a6

SHA256
f3a96713037135119cc21ee6a5be2b0dc91647e238e8a31a1f2d8ed96da1abb7

SHA512
13467e597e03b7255caae6427787264caf93cd1067e40eb81081592aa33305a0160d4cb7fd550bab002ee10da9a4aa63175eccf039b0c32390f9aec43fffc777

Download Submit
C:\Users\Admin\lib\jna-5.5.0.jar
MD5
acfb5b5fd9ee10bf69497792fd469f85

SHA1
0e0845217c4907822403912ad6828d8e0b256208

SHA256
b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

SHA512
e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

Download Submit
C:\Users\Admin\lib\jna-platform-5.5.0.jar
MD5
2f4a99c2758e72ee2b59a73586a2322f

SHA1
af38e7c4d0fc73c23ecd785443705bfdee5b90bf

SHA256
24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

SHA512
b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

Download Submit
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
MD5
b33387e15ab150a7bf560abdc73c3bec

SHA1
66b8075784131f578ef893fd7674273f709b9a4c

SHA256
2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

SHA512
25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

Download Submit
C:\Users\Admin\lib\system-hook-3.5.jar
MD5
e1aa38a1e78a76a6de73efae136cdb3a

SHA1
c463da71871f780b2e2e5dba115d43953b537daf

SHA256
2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

SHA512
fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

Download Submit
C:\Users\Admin\upfystt.txt
MD5
c33235baef599c49bd6fa9020f528ec5

SHA1
ad9743c9322d4aef8690c47b7c311e5290e287a6

SHA256
f3a96713037135119cc21ee6a5be2b0dc91647e238e8a31a1f2d8ed96da1abb7

SHA512
13467e597e03b7255caae6427787264caf93cd1067e40eb81081592aa33305a0160d4cb7fd550bab002ee10da9a4aa63175eccf039b0c32390f9aec43fffc777

Download Submit
C:\Users\Admin\vpjwxgdblj.js
MD5
5e8270b67440e1b89173cffd00d83eeb

SHA1
f6a4813914e80bb14df5c44554f1ee7a8bed78db

SHA256
daa4d87d858855984ffbe54cf74518dd3a850bad761974ca9a46693d0d672770

SHA512
b17e576cd3b0b43fa8f7facac3b842e366df7d0686825dbd85cd7203503e50ac9660a800fc0a68472832d294bb5272e70c394572adecd265e4037e11141610d1

Download Submit
memory/200-146-0x00000000029B0000-0x00000000029C0000-memory.dmp

Filesize
64KB

Download
memory/200-151-0x0000000002A00000-0x0000000002A10000-memory.dmp

Filesize
64KB

Download
memory/200-129-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/200-130-0x0000000002980000-0x0000000002990000-memory.dmp

Filesize
64KB

Download
memory/200-131-0x0000000002990000-0x00000000029A0000-memory.dmp

Filesize
64KB

Download
memory/200-133-0x0000000002A80000-0x0000000002A90000-memory.dmp

Filesize
64KB

Download
memory/200-134-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/200-132-0x0000000002A70000-0x0000000002A80000-memory.dmp

Filesize
64KB

Download
memory/200-135-0x0000000002A90000-0x0000000002AA0000-memory.dmp

Filesize
64KB

Download
memory/200-136-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/200-138-0x0000000002AF0000-0x0000000002B00000-memory.dmp

Filesize
64KB

Download
memory/200-139-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/200-137-0x0000000002AE0000-0x0000000002AF0000-memory.dmp

Filesize
64KB

Download
memory/200-140-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/200-141-0x0000000002AA0000-0x0000000002AB0000-memory.dmp

Filesize
64KB

Download
memory/200-142-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

Filesize
64KB

Download
memory/200-143-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/200-144-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/200-118-0x0000000000000000-mapping.dmp

Download
memory/200-149-0x00000000029E0000-0x00000000029F0000-memory.dmp

Filesize
64KB

Download
memory/200-148-0x00000000029D0000-0x00000000029E0000-memory.dmp

Filesize
64KB

Download
memory/200-147-0x00000000029C0000-0x00000000029D0000-memory.dmp

Filesize
64KB

Download
memory/200-150-0x00000000029F0000-0x0000000002A00000-memory.dmp

Filesize
64KB

Download
memory/200-128-0x0000000002A50000-0x0000000002A60000-memory.dmp

Filesize
64KB

Download
memory/200-152-0x0000000002A10000-0x0000000002A20000-memory.dmp

Filesize
64KB

Download
memory/200-155-0x0000000002A40000-0x0000000002A50000-memory.dmp

Filesize
64KB

Download
memory/200-154-0x0000000002A30000-0x0000000002A40000-memory.dmp

Filesize
64KB

Download
memory/200-153-0x0000000002A20000-0x0000000002A30000-memory.dmp

Filesize
64KB

Download
memory/200-156-0x0000000002A60000-0x0000000002A70000-memory.dmp

Filesize
64KB

Download
memory/200-158-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

Filesize
64KB

Download
memory/200-159-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

Filesize
64KB

Download
memory/200-160-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/200-121-0x00000000026F0000-0x0000000002960000-memory.dmp

Filesize
2.4MB

Download
memory/200-165-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/200-127-0x0000000002960000-0x0000000002970000-memory.dmp

Filesize
64KB

Download
memory/200-124-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/200-122-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/852-114-0x0000000002EC0000-0x0000000003130000-memory.dmp

Filesize
2.4MB

Download
memory/852-116-0x0000000001140000-0x0000000001141000-memory.dmp

Filesize
4KB

Download
memory/3220-168-0x0000000002FC0000-0x0000000003230000-memory.dmp

Filesize
2.4MB

Download
memory/3220-164-0x0000000000000000-mapping.dmp

Download
memory/3220-173-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/3220-178-0x0000000003260000-0x0000000003270000-memory.dmp

Filesize
64KB

Download
memory/3220-177-0x0000000003250000-0x0000000003260000-memory.dmp

Filesize
64KB

Download
memory/3220-176-0x0000000003240000-0x0000000003250000-memory.dmp

Filesize
64KB

Download
memory/3220-175-0x0000000003230000-0x0000000003240000-memory.dmp

Filesize
64KB

Download
memory/3980-115-0x0000000000000000-mapping.dmp

Download