strrat | 3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 06:39

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General

Target

1C24TVT_00005055.pdf.jar
Size

400KB
MD5

0b6fbf92570074872a27c7c770e0df63
SHA1

8e59ba98c196cd3c490ceffbadb3bacf5380d3fe
SHA256

3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937
SHA512

bae3b3ceef3d16386ef829d206cd94dd7c2e690d078720bbb5f1c57809569b2f6dd953764c1b8219558bfe7ae5df763fc4ccf7c789d90f562af545c03838f38f
SSDEEP

12288:ujJmHTO5wfXjD5cnv7n3J3ijc3tP9iNSj:utiTO5OiL5fP9Q+

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

Loads dropped DLL 1 IoCs

pid	Process
4804	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1C24TVT_00005055.pdf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\1C24TVT_00005055.pdf.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1C24TVT_00005055.pdf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\1C24TVT_00005055.pdf.jar\""	java.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4712	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 4940	2196	java.exe	92
PID 2196 wrote to memory of 4940	2196	java.exe	92
PID 4940 wrote to memory of 5100	4940	java.exe	94
PID 4940 wrote to memory of 5100	4940	java.exe	94
PID 4940 wrote to memory of 4804	4940	java.exe	95
PID 4940 wrote to memory of 4804	4940	java.exe	95
PID 5100 wrote to memory of 4712	5100	cmd.exe	98
PID 5100 wrote to memory of 4712	5100	cmd.exe	98

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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\1C24TVT_00005055.pdf.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\1C24TVT_00005055.pdf.jar"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\1C24TVT_00005055.pdf.jar"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5100
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\1C24TVT_00005055.pdf.jar"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4712
- - C:\Program Files\Java\jre-1.8\bin\java.exe
    "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\1C24TVT_00005055.pdf.jar"
    3⤵
    - Loads dropped DLL
    PID:4804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
a113adc5713700d36befc14670b1969d

SHA1
211f18d976ae217a9536b807155f8e75d99058db

SHA256
7be184d46bf2471bc384cd1337fd9647311eda1d2089a7861795c40fa976e9db

SHA512
91e6600085f151ef839401fc7b23ee23a3318054d03af9cfb292ce82615532c7b62e721a8dfe9b86f17303be5740c881278b63fd800f91e7c6210187d4fdb484

Download Submit
C:\Users\Admin\1C24TVT_00005055.pdf.jar

Filesize
400KB

MD5
0b6fbf92570074872a27c7c770e0df63

SHA1
8e59ba98c196cd3c490ceffbadb3bacf5380d3fe

SHA256
3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937

SHA512
bae3b3ceef3d16386ef829d206cd94dd7c2e690d078720bbb5f1c57809569b2f6dd953764c1b8219558bfe7ae5df763fc4ccf7c789d90f562af545c03838f38f

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6284557707520174982.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2636447293-1148739154-93880854-1000\83aa4cc77f591dfc2374580bbd95f6ba_1d0c136d-d77c-4455-9382-3336e2df950b

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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/2196-110-0x0000021180490000-0x00000211804A0000-memory.dmp

Filesize
64KB

Download
memory/2196-184-0x00000211802D0000-0x00000211802E0000-memory.dmp

Filesize
64KB

Download
memory/2196-21-0x00000211802A0000-0x00000211802B0000-memory.dmp

Filesize
64KB

Download
memory/2196-23-0x00000211802C0000-0x00000211802D0000-memory.dmp

Filesize
64KB

Download
memory/2196-26-0x00000211802D0000-0x00000211802E0000-memory.dmp

Filesize
64KB

Download
memory/2196-27-0x00000211802E0000-0x00000211802F0000-memory.dmp

Filesize
64KB

Download
memory/2196-29-0x00000211802F0000-0x0000021180300000-memory.dmp

Filesize
64KB

Download
memory/2196-36-0x0000021180000000-0x0000021180270000-memory.dmp

Filesize
2.4MB

Download
memory/2196-37-0x0000021180320000-0x0000021180330000-memory.dmp

Filesize
64KB

Download
memory/2196-35-0x0000021180310000-0x0000021180320000-memory.dmp

Filesize
64KB

Download
memory/2196-43-0x0000021180350000-0x0000021180360000-memory.dmp

Filesize
64KB

Download
memory/2196-42-0x0000021180340000-0x0000021180350000-memory.dmp

Filesize
64KB

Download
memory/2196-41-0x0000021180330000-0x0000021180340000-memory.dmp

Filesize
64KB

Download
memory/2196-33-0x0000021180300000-0x0000021180310000-memory.dmp

Filesize
64KB

Download
memory/2196-47-0x0000021180370000-0x0000021180380000-memory.dmp

Filesize
64KB

Download
memory/2196-46-0x0000021180360000-0x0000021180370000-memory.dmp

Filesize
64KB

Download
memory/2196-45-0x0000021180270000-0x0000021180280000-memory.dmp

Filesize
64KB

Download
memory/2196-55-0x0000021180380000-0x0000021180390000-memory.dmp

Filesize
64KB

Download
memory/2196-54-0x0000021180280000-0x0000021180290000-memory.dmp

Filesize
64KB

Download
memory/2196-57-0x0000021180290000-0x00000211802A0000-memory.dmp

Filesize
64KB

Download
memory/2196-58-0x0000021180390000-0x00000211803A0000-memory.dmp

Filesize
64KB

Download
memory/2196-61-0x00000211802A0000-0x00000211802B0000-memory.dmp

Filesize
64KB

Download
memory/2196-64-0x00000211803B0000-0x00000211803C0000-memory.dmp

Filesize
64KB

Download
memory/2196-63-0x00000211803A0000-0x00000211803B0000-memory.dmp

Filesize
64KB

Download
memory/2196-59-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/2196-62-0x00000211802B0000-0x00000211802C0000-memory.dmp

Filesize
64KB

Download
memory/2196-70-0x00000211803D0000-0x00000211803E0000-memory.dmp

Filesize
64KB

Download
memory/2196-73-0x00000211803E0000-0x00000211803F0000-memory.dmp

Filesize
64KB

Download
memory/2196-72-0x00000211802E0000-0x00000211802F0000-memory.dmp

Filesize
64KB

Download
memory/2196-71-0x00000211802D0000-0x00000211802E0000-memory.dmp

Filesize
64KB

Download
memory/2196-79-0x0000021180400000-0x0000021180410000-memory.dmp

Filesize
64KB

Download
memory/2196-78-0x00000211803F0000-0x0000021180400000-memory.dmp

Filesize
64KB

Download
memory/2196-77-0x0000021180310000-0x0000021180320000-memory.dmp

Filesize
64KB

Download
memory/2196-76-0x00000211802F0000-0x0000021180300000-memory.dmp

Filesize
64KB

Download
memory/2196-68-0x00000211802C0000-0x00000211802D0000-memory.dmp

Filesize
64KB

Download
memory/2196-69-0x00000211803C0000-0x00000211803D0000-memory.dmp

Filesize
64KB

Download
memory/2196-83-0x0000021180300000-0x0000021180310000-memory.dmp

Filesize
64KB

Download
memory/2196-84-0x0000021180410000-0x0000021180420000-memory.dmp

Filesize
64KB

Download
memory/2196-89-0x0000021180420000-0x0000021180430000-memory.dmp

Filesize
64KB

Download
memory/2196-88-0x0000021180330000-0x0000021180340000-memory.dmp

Filesize
64KB

Download
memory/2196-87-0x0000021180320000-0x0000021180330000-memory.dmp

Filesize
64KB

Download
memory/2196-94-0x0000021180430000-0x0000021180440000-memory.dmp

Filesize
64KB

Download
memory/2196-93-0x0000021180350000-0x0000021180360000-memory.dmp

Filesize
64KB

Download
memory/2196-92-0x0000021180340000-0x0000021180350000-memory.dmp

Filesize
64KB

Download
memory/2196-98-0x0000021180360000-0x0000021180370000-memory.dmp

Filesize
64KB

Download
memory/2196-99-0x0000021180370000-0x0000021180380000-memory.dmp

Filesize
64KB

Download
memory/2196-101-0x0000021180450000-0x0000021180460000-memory.dmp

Filesize
64KB

Download
memory/2196-100-0x0000021180440000-0x0000021180450000-memory.dmp

Filesize
64KB

Download
memory/2196-106-0x0000021180380000-0x0000021180390000-memory.dmp

Filesize
64KB

Download
memory/2196-17-0x0000021180290000-0x00000211802A0000-memory.dmp

Filesize
64KB

Download
memory/2196-109-0x0000021180480000-0x0000021180490000-memory.dmp

Filesize
64KB

Download
memory/2196-108-0x0000021180470000-0x0000021180480000-memory.dmp

Filesize
64KB

Download
memory/2196-22-0x00000211802B0000-0x00000211802C0000-memory.dmp

Filesize
64KB

Download
memory/2196-107-0x0000021180460000-0x0000021180470000-memory.dmp

Filesize
64KB

Download
memory/2196-123-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/2196-121-0x00000211803A0000-0x00000211803B0000-memory.dmp

Filesize
64KB

Download
memory/2196-120-0x00000211804B0000-0x00000211804C0000-memory.dmp

Filesize
64KB

Download
memory/2196-119-0x00000211804A0000-0x00000211804B0000-memory.dmp

Filesize
64KB

Download
memory/2196-118-0x0000021180390000-0x00000211803A0000-memory.dmp

Filesize
64KB

Download
memory/2196-122-0x00000211803B0000-0x00000211803C0000-memory.dmp

Filesize
64KB

Download
memory/2196-127-0x00000211804C0000-0x00000211804D0000-memory.dmp

Filesize
64KB

Download
memory/2196-126-0x00000211803D0000-0x00000211803E0000-memory.dmp

Filesize
64KB

Download
memory/2196-125-0x00000211803C0000-0x00000211803D0000-memory.dmp

Filesize
64KB

Download
memory/2196-130-0x00000211804D0000-0x00000211804E0000-memory.dmp

Filesize
64KB

Download
memory/2196-129-0x00000211803E0000-0x00000211803F0000-memory.dmp

Filesize
64KB

Download
memory/2196-132-0x00000211803F0000-0x0000021180400000-memory.dmp

Filesize
64KB

Download
memory/2196-133-0x0000021180400000-0x0000021180410000-memory.dmp

Filesize
64KB

Download
memory/2196-136-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/2196-135-0x00000211804E0000-0x00000211804F0000-memory.dmp

Filesize
64KB

Download
memory/2196-138-0x00000211804F0000-0x0000021180500000-memory.dmp

Filesize
64KB

Download
memory/2196-137-0x0000021180410000-0x0000021180420000-memory.dmp

Filesize
64KB

Download
memory/2196-141-0x0000021180420000-0x0000021180430000-memory.dmp

Filesize
64KB

Download
memory/2196-142-0x0000021180500000-0x0000021180510000-memory.dmp

Filesize
64KB

Download
memory/2196-144-0x0000021180430000-0x0000021180440000-memory.dmp

Filesize
64KB

Download
memory/2196-145-0x0000021180510000-0x0000021180520000-memory.dmp

Filesize
64KB

Download
memory/2196-147-0x0000021180440000-0x0000021180450000-memory.dmp

Filesize
64KB

Download
memory/2196-149-0x0000021180520000-0x0000021180530000-memory.dmp

Filesize
64KB

Download
memory/2196-148-0x0000021180450000-0x0000021180460000-memory.dmp

Filesize
64KB

Download
memory/2196-151-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/2196-159-0x0000021180490000-0x00000211804A0000-memory.dmp

Filesize
64KB

Download
memory/2196-160-0x0000021180530000-0x0000021180540000-memory.dmp

Filesize
64KB

Download
memory/2196-158-0x0000021180480000-0x0000021180490000-memory.dmp

Filesize
64KB

Download
memory/2196-157-0x0000021180470000-0x0000021180480000-memory.dmp

Filesize
64KB

Download
memory/2196-156-0x0000021180460000-0x0000021180470000-memory.dmp

Filesize
64KB

Download
memory/2196-161-0x0000021180540000-0x0000021180550000-memory.dmp

Filesize
64KB

Download
memory/2196-165-0x00000211804A0000-0x00000211804B0000-memory.dmp

Filesize
64KB

Download
memory/2196-166-0x0000021180550000-0x0000021180560000-memory.dmp

Filesize
64KB

Download
memory/2196-169-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/2196-173-0x00000211804B0000-0x00000211804C0000-memory.dmp

Filesize
64KB

Download
memory/2196-175-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/2196-177-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/2196-179-0x0000021180270000-0x0000021180280000-memory.dmp

Filesize
64KB

Download
memory/2196-178-0x0000021180280000-0x0000021180290000-memory.dmp

Filesize
64KB

Download
memory/2196-187-0x0000021180300000-0x0000021180310000-memory.dmp

Filesize
64KB

Download
memory/2196-186-0x00000211802F0000-0x0000021180300000-memory.dmp

Filesize
64KB

Download
memory/2196-185-0x00000211802E0000-0x00000211802F0000-memory.dmp

Filesize
64KB

Download
memory/2196-116-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/2196-14-0x0000021180270000-0x0000021180280000-memory.dmp

Filesize
64KB

Download
memory/2196-183-0x00000211802B0000-0x00000211802C0000-memory.dmp

Filesize
64KB

Download
memory/2196-182-0x00000211802A0000-0x00000211802B0000-memory.dmp

Filesize
64KB

Download
memory/2196-181-0x0000021180290000-0x00000211802A0000-memory.dmp

Filesize
64KB

Download
memory/2196-180-0x0000021180000000-0x0000021180270000-memory.dmp

Filesize
2.4MB

Download
memory/2196-2-0x0000021180000000-0x0000021180270000-memory.dmp

Filesize
2.4MB

Download
memory/2196-15-0x0000021180280000-0x0000021180290000-memory.dmp

Filesize
64KB

Download
memory/2196-11-0x00000211FFE00000-0x00000211FFE01000-memory.dmp

Filesize
4KB

Download
memory/4804-330-0x000001298DFB0000-0x000001298DFB1000-memory.dmp

Filesize
4KB

Download
memory/4940-233-0x0000020AA71E0000-0x0000020AA71E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads