strrat | 1144ef0b85c23b61c1258d07cb3778500f071b491cd7b33f1675221983d44e88

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2023 06:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar
Size

218KB
MD5

42a84baaf9025e866598df4bc433edd6
SHA1

c37488ccc7c7689a139b7975b68f81e159e3aeda
SHA256

1144ef0b85c23b61c1258d07cb3778500f071b491cd7b33f1675221983d44e88
SHA512

5a049a0ed23786b831e62f7026893738811e2741117d815c0a63599c89b570c28b108cc9b37ff331656a9bc453d6fb638f12cd031089f5b662cd8d222ee6f586
SSDEEP

6144:KyEqnTq4iv3d9nfLx81V6LTHs+tEFkU0Q0Rs8Oq9LJn+H3:dESmRN9ntaV6Ps+KFWQ0R9Oq9LxW

Score

10^/10

strrat persistence stealer trojan

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar	java.exe

Loads dropped DLL 1 IoCs

pid	Process
4068	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\QUOTATION OFFER REQUEST 1034783_pdf_pdf = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar\""	java.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\QUOTATION OFFER REQUEST 1034783_pdf_pdf = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar\""	java.exe

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

pid	Process
392	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 3968	1284	java.exe	87
PID 1284 wrote to memory of 3968	1284	java.exe	87
PID 3968 wrote to memory of 4468	3968	java.exe	91
PID 3968 wrote to memory of 4468	3968	java.exe	91
PID 3968 wrote to memory of 4068	3968	java.exe	93
PID 3968 wrote to memory of 4068	3968	java.exe	93
PID 4468 wrote to memory of 392	4468	cmd.exe	95
PID 4468 wrote to memory of 392	4468	cmd.exe	95

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1284
- 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\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3968
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4468
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar"
      4⤵
      Creates scheduled task(s)
      PID:392
- - 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\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar"
    3⤵
    - Loads dropped DLL
    PID:4068

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

Filesize
50B

MD5
5fd9e288f68830b772b7c3644bb4f74b

SHA1
e13f2e2f4503734ab9de0bb6364bfa9af15cefa6

SHA256
dcedf657579d1d30df8a4f4f902c601aaceb2c390d85dda3e6f57bad3c7034dc

SHA512
2eb7cd9179cf297346e3fa6062088e82c52e9176069973efec261bc0cb9af227163ebd638b60a81c5de5f8da162167fcf4726474674093cf28c4c1bd84a0c302

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

Filesize
50B

MD5
8edbf7fe4607bf457be0093347f78674

SHA1
a05e917dd48d1d55c728aad57a7b788ae26e2b39

SHA256
04f43e5dc1f9cdd96982ff063e2713451bec088fbf72c9160538a21251121435

SHA512
1e8adf2a78a145759c119b61a13982fcc07e94de5a8b6ce8cbcbe5af368295ed007d1a7e5103dde83fadce6050afdb58b2db366f51905b802d830ec7e9abc1ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5110569919590843834.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-508929744-1894537824-211734425-1000\83aa4cc77f591dfc2374580bbd95f6ba_3db77c8d-8b44-4cdd-80bd-b67b97edf7a0

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar

Filesize
218KB

MD5
42a84baaf9025e866598df4bc433edd6

SHA1
c37488ccc7c7689a139b7975b68f81e159e3aeda

SHA256
1144ef0b85c23b61c1258d07cb3778500f071b491cd7b33f1675221983d44e88

SHA512
5a049a0ed23786b831e62f7026893738811e2741117d815c0a63599c89b570c28b108cc9b37ff331656a9bc453d6fb638f12cd031089f5b662cd8d222ee6f586

Download Submit
C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar

Filesize
218KB

MD5
42a84baaf9025e866598df4bc433edd6

SHA1
c37488ccc7c7689a139b7975b68f81e159e3aeda

SHA256
1144ef0b85c23b61c1258d07cb3778500f071b491cd7b33f1675221983d44e88

SHA512
5a049a0ed23786b831e62f7026893738811e2741117d815c0a63599c89b570c28b108cc9b37ff331656a9bc453d6fb638f12cd031089f5b662cd8d222ee6f586

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
4.1MB

MD5
b33387e15ab150a7bf560abdc73c3bec

SHA1
66b8075784131f578ef893fd7674273f709b9a4c

SHA256
2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

SHA512
25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

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\QUOTATION OFFER REQUEST 1034783_pdf_pdf.jar

Filesize
218KB

MD5
42a84baaf9025e866598df4bc433edd6

SHA1
c37488ccc7c7689a139b7975b68f81e159e3aeda

SHA256
1144ef0b85c23b61c1258d07cb3778500f071b491cd7b33f1675221983d44e88

SHA512
5a049a0ed23786b831e62f7026893738811e2741117d815c0a63599c89b570c28b108cc9b37ff331656a9bc453d6fb638f12cd031089f5b662cd8d222ee6f586

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/1284-192-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-200-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-197-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-196-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-193-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-152-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-180-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-175-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-174-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1284-162-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/3968-217-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/3968-230-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/4068-247-0x00000000017D0000-0x00000000017D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads