strrat | b2130eb11c87c6da7ad89d3afa70a45d31925f8cd04f8773a479db9af61b73d5

Analysis

max time kernel
18s
max time network
68s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-06-2022 09:31

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General

Target

Permintaan Kutipan P.O- 21062022021306.js
Size

379KB
MD5

b6729d98dd353e3fb01117a8fbff2ad2
SHA1

24b39cb78707d33c189c3ce371ddea0a84f8596e
SHA256

b2130eb11c87c6da7ad89d3afa70a45d31925f8cd04f8773a479db9af61b73d5
SHA512

d33132721b5c8707aca1a3cea482b0f0a101d9db3189dbd9d8d08d399d6ef713e4909396d4f5ff1477dd8c9946700c85955a96287091e9828cafdad4f7a28366

Score

10^/10

strrat vjw0rm persistence stealer trojan worm

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat
Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Blocklisted process makes network request 2 IoCs

Processes:

wscript.exe

flow pid process

6 1000 wscript.exe
21 1000 wscript.exe

flow	pid	process
6	1000	wscript.exe
21	1000	wscript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\iVCSlBBlpc.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\iVCSlBBlpc.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\iVCSlBBlpc.js\""	wscript.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4084 schtasks.exe

pid	process
4084	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exejava.exe

description	pid	process	target process
PID 5052 wrote to memory of 1000	5052	wscript.exe	wscript.exe
PID 5052 wrote to memory of 1000	5052	wscript.exe	wscript.exe
PID 5052 wrote to memory of 3856	5052	wscript.exe	java.exe
PID 5052 wrote to memory of 3856	5052	wscript.exe	java.exe
PID 3856 wrote to memory of 2136	3856	java.exe	java.exe
PID 3856 wrote to memory of 2136	3856	java.exe	java.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Permintaan Kutipan P.O- 21062022021306.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5052

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\iVCSlBBlpc.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1000

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\AppData\Local\Temp\SM.jar"
2⤵
- Suspicious use of WriteProcessMemory
PID:3856

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\SM.jar"
3⤵
PID:2136

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\AppData\Roaming\SM.jar"
4⤵
PID:1332

C:\Windows\SYSTEM32\cmd.exe
cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
5⤵
PID:3956

C:\Windows\System32\Wbem\WMIC.exe
wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
6⤵
PID:3672

C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\SM.jar"
4⤵
PID:4684

C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\SM.jar"
5⤵
- Creates scheduled task(s)
PID:4084

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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
Filesize
50B

MD5
02588a866a37dba8e34173818a533255

SHA1
b2fb8be3134ce97b9040d890ad56896aafd6a0ca

SHA256
a03a8e3a35dd92500a18ac19e4084940d03e38b1172c5565dc5ec3d112845422

SHA512
59eaf297512b491763ade6ad649afbfbcae14508a2ba63eb12cc29a5d50c783ff4b4dafcbf420e5c5f19af018c05f44f58f6677106a5ae9cdf28feb1830d59ac

Download Submit
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
Filesize
50B

MD5
d2d41e0d48659d3a7a2649b0787ec8cc

SHA1
5d957302a25638bd13fd5319f5637598ba332f6f

SHA256
02a49fef73b52f78910983aef40a8c89ef8fa9ef2a12d4ece133c41e5905fb29

SHA512
74d88d2a6769e79bc5ad875d99eaa455c7604fb4e05a47a6a14b54a5e62e3bb89f32743e75ca41d8d9d1c8ddfc522bfb5c520287e2f0e63b791319040b4d9832

Download Submit
C:\Users\Admin\AppData\Local\Temp\SM.jar
Filesize
164KB

MD5
edf0e95033cb0df96be06c5088142288

SHA1
3972af92633203e7857ec0e4ae65246b32c83539

SHA256
9712cb8921bc1aaf24f86d6a82ce59a332f6ad04eb1af0414f9bd51e0f35e049

SHA512
b7086f0880328bfbb11f6a48a95bde9718318bec9a66c4d00dc16384a1c7ccae97685c7e50d8278c3a267431032d418c61acc9a9ca926d0bd948b79c722a562a

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4555456739458465937.dll
Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3751123196-3323558407-1869646069-1000\83aa4cc77f591dfc2374580bbd95f6ba_6bb404a8-25bc-4cef-a831-797f8d1e89c0
Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
C:\Users\Admin\AppData\Roaming\SM.jar
Filesize
164KB

MD5
edf0e95033cb0df96be06c5088142288

SHA1
3972af92633203e7857ec0e4ae65246b32c83539

SHA256
9712cb8921bc1aaf24f86d6a82ce59a332f6ad04eb1af0414f9bd51e0f35e049

SHA512
b7086f0880328bfbb11f6a48a95bde9718318bec9a66c4d00dc16384a1c7ccae97685c7e50d8278c3a267431032d418c61acc9a9ca926d0bd948b79c722a562a

Download Submit
C:\Users\Admin\AppData\Roaming\iVCSlBBlpc.js
Filesize
29KB

MD5
b7b12b7ba6f621cee26fd0cf4174ac14

SHA1
66de8e302652e971cfa0979140eaeaa4e452cb4a

SHA256
53b2961b1ac4cee0cfb20e7f1f6b2ca87a95969e7f3a630de25cba47fef373e8

SHA512
9e69a62f1f7c41d03075b1781d5dc6409b502da515fd7973e9a8a9f9808878ae27e2f506efdf59ecdda2a275964db36c5aac59dd14cd1de07eab14b40a717d62

Download Submit
C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar
Filesize
1.4MB

MD5
acfb5b5fd9ee10bf69497792fd469f85

SHA1
0e0845217c4907822403912ad6828d8e0b256208

SHA256
b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

SHA512
e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

Download Submit
C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar
Filesize
2.6MB

MD5
2f4a99c2758e72ee2b59a73586a2322f

SHA1
af38e7c4d0fc73c23ecd785443705bfdee5b90bf

SHA256
24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

SHA512
b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

Download Submit
C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar
Filesize
3.8MB

MD5
c923ad3f87d0934f05464c70174ade0a

SHA1
e16e5f0494e005b55530c4dad808795e194554b5

SHA256
a21fd8797d35efc1110f71eb123c08b53610815f5429f6f007094dd65e03ffb0

SHA512
e1e437e816b7a052043a5120b007b0a89eba962b6fd86b4c5d9c16b704b37ab2653dba18021b578448b539775c5767794af4cd04a155ddc111c45cd3c85cba82

Download Submit
C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar
Filesize
772KB

MD5
e1aa38a1e78a76a6de73efae136cdb3a

SHA1
c463da71871f780b2e2e5dba115d43953b537daf

SHA256
2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

SHA512
fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

Download Submit
C:\Users\Admin\SM.jar
Filesize
164KB

MD5
edf0e95033cb0df96be06c5088142288

SHA1
3972af92633203e7857ec0e4ae65246b32c83539

SHA256
9712cb8921bc1aaf24f86d6a82ce59a332f6ad04eb1af0414f9bd51e0f35e049

SHA512
b7086f0880328bfbb11f6a48a95bde9718318bec9a66c4d00dc16384a1c7ccae97685c7e50d8278c3a267431032d418c61acc9a9ca926d0bd948b79c722a562a

Download Submit
C:\Users\Admin\lib\jna-5.5.0.jar
Filesize
1.4MB

MD5
acfb5b5fd9ee10bf69497792fd469f85

SHA1
0e0845217c4907822403912ad6828d8e0b256208

SHA256
b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

SHA512
e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

Download Submit
C:\Users\Admin\lib\jna-platform-5.5.0.jar
Filesize
2.6MB

MD5
2f4a99c2758e72ee2b59a73586a2322f

SHA1
af38e7c4d0fc73c23ecd785443705bfdee5b90bf

SHA256
24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

SHA512
b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

Download Submit
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
Filesize
4.1MB

MD5
b33387e15ab150a7bf560abdc73c3bec

SHA1
66b8075784131f578ef893fd7674273f709b9a4c

SHA256
2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

SHA512
25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

Download Submit
C:\Users\Admin\lib\system-hook-3.5.jar
Filesize
772KB

MD5
e1aa38a1e78a76a6de73efae136cdb3a

SHA1
c463da71871f780b2e2e5dba115d43953b537daf

SHA256
2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

SHA512
fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

Download Submit
memory/1000-130-0x0000000000000000-mapping.dmp

Download
memory/1332-198-0x0000000000000000-mapping.dmp

Download
memory/1332-230-0x0000000002C30000-0x0000000003C30000-memory.dmp

Filesize
16.0MB

Download
memory/1332-228-0x0000000002C30000-0x0000000003C30000-memory.dmp

Filesize
16.0MB

Download
memory/1332-226-0x0000000002C30000-0x0000000003C30000-memory.dmp

Filesize
16.0MB

Download
memory/1332-215-0x0000000002C30000-0x0000000003C30000-memory.dmp

Filesize
16.0MB

Download
memory/2136-176-0x0000000000000000-mapping.dmp

Download
memory/2136-199-0x0000000002FC0000-0x0000000003FC0000-memory.dmp

Filesize
16.0MB

Download
memory/3672-229-0x0000000000000000-mapping.dmp

Download
memory/3856-150-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-177-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-175-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-173-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-166-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-154-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-178-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-183-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-142-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-132-0x0000000000000000-mapping.dmp

Download
memory/3856-186-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3856-179-0x0000000003010000-0x0000000004010000-memory.dmp

Filesize
16.0MB

Download
memory/3956-227-0x0000000000000000-mapping.dmp

Download
memory/4084-202-0x0000000000000000-mapping.dmp

Download
memory/4684-197-0x0000000000000000-mapping.dmp

Download