dc21d272f9c15d8fefa8d57e639b046c92ddb967e7b54ff2f559ebec6de1e92e

General

Target

B2856B11FF23D35DA2C9C906C61781BA_purchaseorder.jar
Size

47KB
MD5

b2856b11ff23d35da2c9c906c61781ba
SHA1

fcce5d47e80051f617291c7f0fe53e5f3249f56c
SHA256

75ff23be22ed5a003fde654d37d1b423e6353ea2e58adfcb8405a18dcbc951f6
SHA512

b486c3aaffa312d53194238213f2e460281eff4cddaff22f8830654398c9b3abd3ebf8cd6a3452bbd3201f3a1db2222f071c07dfc4d65fa357d989db45b7b554
SSDEEP

768:7nnfQxxfmEp1g/mSIdgVAhJw5UYIFqRTyNaFU1Gfo8XFJkFoesEVyY75+:83mEEeZdgtCYGJ0ouLkFoebo

Score

8^/10

discovery evasion persistence

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 10 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ProcessHacker.exe\debugger = "svchost.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\debugger = "svchost.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe\debugger = "svchost.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe\debugger = "svchost.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ProcessHacker.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe\debugger = "svchost.exe"	regedit.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
3068	attrib.exe
1852	attrib.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1832	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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\win32 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Sys32\\Windows.jar.txt\""	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\win32 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Sys32\\Windows.jar.txt\""	reg.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Sys32\Desktop.ini	java.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Sys32\Desktop.ini	attrib.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\tem	java.exe
File opened for modification	C:\Windows\tem	java.exe
File created	C:\Windows\tem	javaw.exe
File opened for modification	C:\Windows\tem	javaw.exe

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
1784	reg.exe
1052	reg.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4808	regedit.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4660	java.exe
2696	javaw.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 1832	4660	java.exe	83
PID 4660 wrote to memory of 1832	4660	java.exe	83
PID 4660 wrote to memory of 1052	4660	java.exe	93
PID 4660 wrote to memory of 1052	4660	java.exe	93
PID 4660 wrote to memory of 1852	4660	java.exe	94
PID 4660 wrote to memory of 1852	4660	java.exe	94
PID 4660 wrote to memory of 3068	4660	java.exe	97
PID 4660 wrote to memory of 3068	4660	java.exe	97
PID 4660 wrote to memory of 2696	4660	java.exe	99
PID 4660 wrote to memory of 2696	4660	java.exe	99
PID 2696 wrote to memory of 1784	2696	javaw.exe	101
PID 2696 wrote to memory of 1784	2696	javaw.exe	101
PID 2696 wrote to memory of 4740	2696	javaw.exe	105
PID 2696 wrote to memory of 4740	2696	javaw.exe	105
PID 4740 wrote to memory of 4808	4740	cmd.exe	107
PID 4740 wrote to memory of 4808	4740	cmd.exe	107

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1852	attrib.exe
3068	attrib.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\B2856B11FF23D35DA2C9C906C61781BA_purchaseorder.jar
1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4660
- 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:1832
- C:\Windows\SYSTEM32\reg.exe
  reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v win32 /t REG_SZ /d "\"C:\Program Files\Java\jre-1.8\bin\javaw.exe\" -jar \"C:\Users\Admin\AppData\Roaming\Sys32\Windows.jar.txt\"" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1052
- C:\Windows\SYSTEM32\attrib.exe
  attrib +s +h +r "C:\Users\Admin\AppData\Roaming\Sys32\*.*"
  2⤵
  - Sets file to hidden
  - Drops desktop.ini file(s)
  - Views/modifies file attributes
  PID:1852
- C:\Windows\SYSTEM32\attrib.exe
  attrib +s +h +r "C:\Users\Admin\AppData\Roaming\Sys32"
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:3068
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\Sys32\Windows.jar.txt"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SYSTEM32\reg.exe
    reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v win32 /t REG_SZ /d "\"C:\Program Files\Java\jre-1.8\bin\javaw.exe\" -jar \"C:\Users\Admin\AppData\Roaming\Sys32\Windows.jar.txt\"" /f
    3⤵
    - Adds Run key to start application
    - Modifies registry key
    PID:1784
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c regedit /s C:\Users\Admin\AppData\Local\Temp\TaskNetworkGathor8165334559060390281.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4740
  - - C:\Windows\regedit.exe
      regedit /s C:\Users\Admin\AppData\Local\Temp\TaskNetworkGathor8165334559060390281.reg
      4⤵
      Sets file execution options in registry
      Runs .reg file with regedit
      PID:4808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

File and Directory Permissions Modification

1

T1222

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
46B

MD5
28511e47916c85040638501a08978888

SHA1
17a771fc54494046ea583e66a83c56328f8bc825

SHA256
6e1a2fe518455180558a15abd837392e9c7e9ca7a93dedcaec8557196a2f693b

SHA512
040fe19e95063a167e9a7b447d901b0fab8ce195e15fdef55ce320b3a47d5d9d0d43bed03424b82e326a2b9a1a215b7ad381c59ebef87fcb540460e9c94c81c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\TaskNetworkGathor8165334559060390281.reg

Filesize
719B

MD5
311af3b9a52ffc58f46ad83afb1e93b6

SHA1
031e8b46cce34a788841c709a2f12de599ec5970

SHA256
2931fbf7795f4a215bff8b59fc53e035bc6c31a5294ce9bd5436343885599219

SHA512
8e7d3ef1836b94bd9b9066bd264a7651b5f8ecaffaa757e0167b056ec0bbcc3059f3a9e1f563c4762ad5299ecc65b4766b6a3fcdcb4533cac90a2cc460a23150

Download Submit
C:\Users\Admin\AppData\Roaming\Sys32\Desktop.ini

Filesize
63B

MD5
e783bdd20a976eaeaae1ff4624487420

SHA1
c2a44fab9df00b3e11582546b16612333c2f9286

SHA256
2f65fa9c7ed712f493782abf91467f869419a2f8b5adf23b44019c08190fa3f3

SHA512
8c883678e4625ef44f4885b8c6d7485196774f9cb0b9eee7dd18711749bcae474163df9965effcd13ecd1a33cd7265010c152f8504d6013e4f4d85d68a901a80

Download Submit
C:\Users\Admin\AppData\Roaming\Sys32\Windows.jar.txt

Filesize
47KB

MD5
b2856b11ff23d35da2c9c906c61781ba

SHA1
fcce5d47e80051f617291c7f0fe53e5f3249f56c

SHA256
75ff23be22ed5a003fde654d37d1b423e6353ea2e58adfcb8405a18dcbc951f6

SHA512
b486c3aaffa312d53194238213f2e460281eff4cddaff22f8830654398c9b3abd3ebf8cd6a3452bbd3201f3a1db2222f071c07dfc4d65fa357d989db45b7b554

Download Submit
memory/2696-50-0x0000025041590000-0x0000025041591000-memory.dmp

Filesize
4KB

Download
memory/2696-31-0x0000025042E70000-0x00000250430E0000-memory.dmp

Filesize
2.4MB

Download
memory/2696-52-0x0000025041590000-0x0000025041591000-memory.dmp

Filesize
4KB

Download
memory/2696-58-0x0000025041590000-0x0000025041591000-memory.dmp

Filesize
4KB

Download
memory/2696-65-0x0000025042E70000-0x00000250430E0000-memory.dmp

Filesize
2.4MB

Download
memory/2696-70-0x0000025041590000-0x0000025041591000-memory.dmp

Filesize
4KB

Download
memory/2696-69-0x0000025041590000-0x0000025041591000-memory.dmp

Filesize
4KB

Download
memory/2696-100-0x0000025041590000-0x0000025041591000-memory.dmp

Filesize
4KB

Download
memory/4660-35-0x00000181D47B0000-0x00000181D47B1000-memory.dmp

Filesize
4KB

Download
memory/4660-37-0x00000181D47D0000-0x00000181D4A40000-memory.dmp

Filesize
2.4MB

Download
memory/4660-2-0x00000181D47D0000-0x00000181D4A40000-memory.dmp

Filesize
2.4MB

Download
memory/4660-19-0x00000181D47B0000-0x00000181D47B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads