strrat | 185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117

General

Target

185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar
Size

64KB
MD5

0c5af1f8b9182a0b4280ea04f22945b3
SHA1

bb162e5078a2f567babfc92f0b12bb675b0b7a9b
SHA256

185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117
SHA512

aeafa0514817480b8e5aa60f7dc3d2dd7ede9f0b6f6619e1b0917e27f537240de314d37431d3c2b4a4aef68609732ad3b9e0d54795cd7590370a5591299555de
SSDEEP

1536:vFU/fn0GghHxEuXu2SGutZ+gnzqYgMawjS0n2wyvI0cyD:vFYfn0GGNu2SPnHZavA2wyv3cyD

Score

10^/10

strrat discovery 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\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4020	icacls.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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.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/Job

T1053

pid	Process
5092	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 4020	4996	java.exe	85
PID 4996 wrote to memory of 4020	4996	java.exe	85
PID 4996 wrote to memory of 732	4996	java.exe	87
PID 4996 wrote to memory of 732	4996	java.exe	87
PID 4996 wrote to memory of 4044	4996	java.exe	88
PID 4996 wrote to memory of 4044	4996	java.exe	88
PID 732 wrote to memory of 5092	732	cmd.exe	91
PID 732 wrote to memory of 5092	732	cmd.exe	91

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\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:4020
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:732
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar"
    3⤵
    - Creates scheduled task(s)
    PID:5092
- 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\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar"
  2⤵
  PID:4044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar

Filesize
64KB

MD5
0c5af1f8b9182a0b4280ea04f22945b3

SHA1
bb162e5078a2f567babfc92f0b12bb675b0b7a9b

SHA256
185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117

SHA512
aeafa0514817480b8e5aa60f7dc3d2dd7ede9f0b6f6619e1b0917e27f537240de314d37431d3c2b4a4aef68609732ad3b9e0d54795cd7590370a5591299555de

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

Filesize
46B

MD5
f8f2c5d350aae430ad8137aceac5b2f8

SHA1
e5868b6c98e10da01b686976b2ea8e33275a6c65

SHA256
98c9a3e1730c10978894d0c4cfad7434ec30f4e4893f3d6d542ee21607b2321b

SHA512
34c8ed59d79e1d4d97e3fb38904541b08316707f58f002d80d77119ec6b16723f22772cc96b69629923ef3a0860543b37bec5d236496f726eda9a38f697289de

Download Submit
memory/4044-78-0x000002878F9A0000-0x000002878F9B0000-memory.dmp

Filesize
64KB

Download
memory/4044-74-0x000002878F700000-0x000002878F970000-memory.dmp

Filesize
2.4MB

Download
memory/4044-80-0x000002878F9C0000-0x000002878F9D0000-memory.dmp

Filesize
64KB

Download
memory/4044-57-0x000002878F970000-0x000002878F980000-memory.dmp

Filesize
64KB

Download
memory/4044-79-0x000002878F9B0000-0x000002878F9C0000-memory.dmp

Filesize
64KB

Download
memory/4044-77-0x000002878F990000-0x000002878F9A0000-memory.dmp

Filesize
64KB

Download
memory/4044-76-0x000002878F980000-0x000002878F990000-memory.dmp

Filesize
64KB

Download
memory/4044-75-0x000002878F970000-0x000002878F980000-memory.dmp

Filesize
64KB

Download
memory/4044-82-0x000002878F9E0000-0x000002878F9F0000-memory.dmp

Filesize
64KB

Download
memory/4044-81-0x000002878F9D0000-0x000002878F9E0000-memory.dmp

Filesize
64KB

Download
memory/4044-72-0x000002878F6E0000-0x000002878F6E1000-memory.dmp

Filesize
4KB

Download
memory/4044-70-0x000002878F9E0000-0x000002878F9F0000-memory.dmp

Filesize
64KB

Download
memory/4044-69-0x000002878F9D0000-0x000002878F9E0000-memory.dmp

Filesize
64KB

Download
memory/4044-67-0x000002878F9C0000-0x000002878F9D0000-memory.dmp

Filesize
64KB

Download
memory/4044-63-0x000002878F9A0000-0x000002878F9B0000-memory.dmp

Filesize
64KB

Download
memory/4044-64-0x000002878F9B0000-0x000002878F9C0000-memory.dmp

Filesize
64KB

Download
memory/4044-60-0x000002878F990000-0x000002878F9A0000-memory.dmp

Filesize
64KB

Download
memory/4044-58-0x000002878F980000-0x000002878F990000-memory.dmp

Filesize
64KB

Download
memory/4044-46-0x000002878F700000-0x000002878F970000-memory.dmp

Filesize
2.4MB

Download
memory/4996-27-0x00000174002D0000-0x00000174002E0000-memory.dmp

Filesize
64KB

Download
memory/4996-36-0x0000017400270000-0x0000017400280000-memory.dmp

Filesize
64KB

Download
memory/4996-37-0x0000017400280000-0x0000017400290000-memory.dmp

Filesize
64KB

Download
memory/4996-38-0x0000017400290000-0x00000174002A0000-memory.dmp

Filesize
64KB

Download
memory/4996-39-0x00000174002A0000-0x00000174002B0000-memory.dmp

Filesize
64KB

Download
memory/4996-40-0x00000174002B0000-0x00000174002C0000-memory.dmp

Filesize
64KB

Download
memory/4996-41-0x00000174002C0000-0x00000174002D0000-memory.dmp

Filesize
64KB

Download
memory/4996-42-0x00000174002E0000-0x00000174002F0000-memory.dmp

Filesize
64KB

Download
memory/4996-35-0x0000017400000000-0x0000017400270000-memory.dmp

Filesize
2.4MB

Download
memory/4996-33-0x00000174002E0000-0x00000174002F0000-memory.dmp

Filesize
64KB

Download
memory/4996-2-0x0000017400000000-0x0000017400270000-memory.dmp

Filesize
2.4MB

Download
memory/4996-26-0x000001747B520000-0x000001747B521000-memory.dmp

Filesize
4KB

Download
memory/4996-23-0x00000174002C0000-0x00000174002D0000-memory.dmp

Filesize
64KB

Download
memory/4996-20-0x00000174002A0000-0x00000174002B0000-memory.dmp

Filesize
64KB

Download
memory/4996-21-0x00000174002B0000-0x00000174002C0000-memory.dmp

Filesize
64KB

Download
memory/4996-17-0x0000017400290000-0x00000174002A0000-memory.dmp

Filesize
64KB

Download
memory/4996-15-0x0000017400280000-0x0000017400290000-memory.dmp

Filesize
64KB

Download
memory/4996-13-0x0000017400270000-0x0000017400280000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads