strrat | d69d5acc551a5cb123b41f4c7ca6c9bd910a5f34d6a47a675de0152a97098f10

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2023, 09:49

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General

Target
Dhl.jar
Size 68KB
Sample230824-ltcqasbf53
SHA256 d69d5acc551a5cb123b41f4c7ca6c9bd910a5f34d6a47a675de0152a97098f10
MD5 be47a7579c643ca03c49a036868494e6
SHA1 c80756b863ca7d5e4e61c06a4fc80bf3b9fd1f71
SHA512 ac3931e9288007782a9406d95def5e8b147d3886c217a3c3625afe175f9d094a2912686f485501e0d7c48aa9ef69cc561f2b112c3f6463f4702472383adc45ca
SSDEEP 1536:PU9yI/HnnnHNqoApGVXbqZyKYZRoowFJDNMSCAKWzbNDu9B:PUL/HnHwoOy+lLhbKWzVeB
MD5 SHA1 SHA512 SSDEEP

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\Dhl.jar	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-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dhl = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Dhl.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dhl = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Dhl.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
3756	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 3236	2952	java.exe	83
PID 2952 wrote to memory of 3236	2952	java.exe	83
PID 2952 wrote to memory of 1700	2952	java.exe	85
PID 2952 wrote to memory of 1700	2952	java.exe	85
PID 3236 wrote to memory of 3756	3236	cmd.exe	87
PID 3236 wrote to memory of 3756	3236	cmd.exe	87

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Dhl.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Dhl.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3236
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Dhl.jar"
    3⤵
    - Creates scheduled task(s)
    PID:3756
- 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\Dhl.jar"
  2⤵
  PID:1700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Dhl.jar

Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Dhl.jar
Size 68KB
SHA256 d69d5acc551a5cb123b41f4c7ca6c9bd910a5f34d6a47a675de0152a97098f10
MD5 be47a7579c643ca03c49a036868494e6
SHA1 c80756b863ca7d5e4e61c06a4fc80bf3b9fd1f71
SHA512 ac3931e9288007782a9406d95def5e8b147d3886c217a3c3625afe175f9d094a2912686f485501e0d7c48aa9ef69cc561f2b112c3f6463f4702472383adc45ca
SSDEEP 1536:PU9yI/HnnnHNqoApGVXbqZyKYZRoowFJDNMSCAKWzbNDu9B:PUL/HnHwoOy+lLhbKWzVeB
MD5 SHA1 SHA512 SSDEEP

Submit Download

90737d32e3aba4b.timestamp

Path C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
Size 50B
SHA256 da2c55a5cbc7a4e46a884c09efa394c6477196b734f1846493d53cb605188319
MD5 d6f6afb4045041ad4f4f8513de6d2f6a
SHA1 e0948a5c0a187ff73eee118defca2a65d569522d
SHA512 3655d32d8aba82648e0d59ee1d19fcd442070f6d3c33ee3040e85ee9fc03704d387bad3e2ff9540fc18d491ccaa51fa54db432f871adba7fb1bf1aaddf07afc0
MD5 SHA1 SHA512

Submit Download

Dhl.jar

Path C:\Users\Admin\AppData\Roaming\Dhl.jar
Size 68KB
SHA256 d69d5acc551a5cb123b41f4c7ca6c9bd910a5f34d6a47a675de0152a97098f10
MD5 be47a7579c643ca03c49a036868494e6
SHA1 c80756b863ca7d5e4e61c06a4fc80bf3b9fd1f71
SHA512 ac3931e9288007782a9406d95def5e8b147d3886c217a3c3625afe175f9d094a2912686f485501e0d7c48aa9ef69cc561f2b112c3f6463f4702472383adc45ca
SSDEEP 1536:PU9yI/HnnnHNqoApGVXbqZyKYZRoowFJDNMSCAKWzbNDu9B:PUL/HnHwoOy+lLhbKWzVeB
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1700-30-0x00000000025C0000-0x00000000035C0000-memory.dmp

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memory/1700-32-0x0000000002140000-0x0000000002141000-memory.dmp

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memory/1700-38-0x00000000025C0000-0x00000000035C0000-memory.dmp

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memory/1700-39-0x00000000025C0000-0x00000000035C0000-memory.dmp

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memory/1700-40-0x00000000025C0000-0x00000000035C0000-memory.dmp

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memory/2952-4-0x0000000002870000-0x0000000003870000-memory.dmp

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memory/2952-11-0x00000000023B0000-0x00000000023B1000-memory.dmp

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memory/2952-18-0x00000000023B0000-0x00000000023B1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads