e239ff33823ea4913a7288f7908355ea0e137b27774d821496b180fb5e71b2ca

Analysis

max time kernel
139s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2023, 20:33

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General

Target

Stub-Harma-Crypter10042023.jar
Size

639KB
MD5

a743d1723cec2364537ca8da4a63accb
SHA1

c7f2c306f4d94038aa9f644232e9dabcb6f7095a
SHA256

6e952d44629b791f45274abefa549008414b8a1c3bfcb3f64b904e2a6aec82e8
SHA512

affc04589b4c52f3df00f8463417e86a90906d816006236ef0e0b4d20cfbf8f17822cf466c1be8ad1c55b486586f5868660efea5240ea299f863c782f982f010
SSDEEP

12288:HD5gQ2/qIiZIn4/80AL3gI/dR7+tquNaZTgYt2RgR3Wuk2loStTDss:HDKQ6WZs4kL3gInaHaZ0WnWu5lztTDss

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1696019632395.tmp"	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3064	java.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 5104	3064	java.exe	85
PID 3064 wrote to memory of 5104	3064	java.exe	85
PID 3064 wrote to memory of 3300	3064	java.exe	87
PID 3064 wrote to memory of 3300	3064	java.exe	87
PID 3300 wrote to memory of 4896	3300	cmd.exe	89
PID 3300 wrote to memory of 4896	3300	cmd.exe	89

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5104	attrib.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Stub-Harma-Crypter10042023.jar
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1696019632395.tmp
  2⤵
  - Views/modifies file attributes
  PID:5104
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1696019632395.tmp" /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3300
- - C:\Windows\system32\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1696019632395.tmp" /f
    3⤵
    - Adds Run key to start application
    PID:4896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1696019632395.tmp

Filesize
639KB

MD5
a743d1723cec2364537ca8da4a63accb

SHA1
c7f2c306f4d94038aa9f644232e9dabcb6f7095a

SHA256
6e952d44629b791f45274abefa549008414b8a1c3bfcb3f64b904e2a6aec82e8

SHA512
affc04589b4c52f3df00f8463417e86a90906d816006236ef0e0b4d20cfbf8f17822cf466c1be8ad1c55b486586f5868660efea5240ea299f863c782f982f010

Download Submit
memory/3064-32-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-34-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-21-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-26-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-27-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-29-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-14-0x0000000002990000-0x0000000002991000-memory.dmp

Filesize
4KB

Download
memory/3064-31-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-33-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-4-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-35-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-36-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-37-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-40-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download
memory/3064-41-0x0000000002990000-0x0000000002991000-memory.dmp

Filesize
4KB

Download
memory/3064-43-0x0000000002BD0000-0x0000000003BD0000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads