0916e1d88703b3508fe594ba682044fce7a290315fa49163fbee405001fd3913

General

Target
VirusShare_0a080fb982b7c9a00eb7d6ecd0d2c402.exe
Size 38KB
Sample240302-vf1dwaff36
SHA256 0916e1d88703b3508fe594ba682044fce7a290315fa49163fbee405001fd3913
MD5 0a080fb982b7c9a00eb7d6ecd0d2c402
SHA1 9a67b42279f823a87f7fea259e025d64adc741d7
SHA512 604ddb7de5886b00c5fb0abd33fb763a899c423bd301eaecd621b7056f6bef1dfc4e277c1bc33e75e7b47fe762eb3a8da670748295d5383f4e87199934ead0b0
SSDEEP 768:8oTRfOPu78SxRwg1jLj/3UYYh1hxUbVQzPQun:r71nLU5zOVQzF
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

evasion persistence

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2680	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c32f788b32abb7b3b0733d2cbd27e49a.exe	nj.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c32f788b32abb7b3b0733d2cbd27e49a.exe	nj.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	nj.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	VirusShare_0a080fb982b7c9a00eb7d6ecd0d2c402.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-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\c32f788b32abb7b3b0733d2cbd27e49a = "\"C:\\ProgramData\\nj.exe\" .."	nj.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\c32f788b32abb7b3b0733d2cbd27e49a = "\"C:\\ProgramData\\nj.exe\" .."	nj.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2988	nj.exe
2988	nj.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	nj.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2988	2120	VirusShare_0a080fb982b7c9a00eb7d6ecd0d2c402.exe	28
PID 2120 wrote to memory of 2988	2120	VirusShare_0a080fb982b7c9a00eb7d6ecd0d2c402.exe	28
PID 2120 wrote to memory of 2988	2120	VirusShare_0a080fb982b7c9a00eb7d6ecd0d2c402.exe	28
PID 2120 wrote to memory of 2988	2120	VirusShare_0a080fb982b7c9a00eb7d6ecd0d2c402.exe	28
PID 2988 wrote to memory of 2680	2988	nj.exe	29
PID 2988 wrote to memory of 2680	2988	nj.exe	29
PID 2988 wrote to memory of 2680	2988	nj.exe	29
PID 2988 wrote to memory of 2680	2988	nj.exe	29

C:\Users\Admin\AppData\Local\Temp\VirusShare_0a080fb982b7c9a00eb7d6ecd0d2c402.exe
"C:\Users\Admin\AppData\Local\Temp\VirusShare_0a080fb982b7c9a00eb7d6ecd0d2c402.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2120
- C:\ProgramData\nj.exe
  "C:\ProgramData\nj.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\nj.exe" "nj.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

nj.exe

Path \ProgramData\nj.exe
Size 38KB
SHA256 0916e1d88703b3508fe594ba682044fce7a290315fa49163fbee405001fd3913
MD5 0a080fb982b7c9a00eb7d6ecd0d2c402
SHA1 9a67b42279f823a87f7fea259e025d64adc741d7
SHA512 604ddb7de5886b00c5fb0abd33fb763a899c423bd301eaecd621b7056f6bef1dfc4e277c1bc33e75e7b47fe762eb3a8da670748295d5383f4e87199934ead0b0
SSDEEP 768:8oTRfOPu78SxRwg1jLj/3UYYh1hxUbVQzPQun:r71nLU5zOVQzF
MD5 SHA1 SHA512 SSDEEP

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memory/2120-0-0x0000000074630000-0x0000000074BDB000-memory.dmp

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memory/2120-1-0x0000000074630000-0x0000000074BDB000-memory.dmp

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memory/2120-2-0x00000000022D0000-0x0000000002310000-memory.dmp

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memory/2120-12-0x0000000074630000-0x0000000074BDB000-memory.dmp

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memory/2988-11-0x0000000074630000-0x0000000074BDB000-memory.dmp

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memory/2988-13-0x0000000000A80000-0x0000000000AC0000-memory.dmp

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memory/2988-14-0x0000000074630000-0x0000000074BDB000-memory.dmp

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memory/2988-17-0x0000000074630000-0x0000000074BDB000-memory.dmp

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memory/2988-18-0x0000000000A80000-0x0000000000AC0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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