fa355139bfaa9fcf4324154194f2cb280899be4863fd278c7b06440d84a14d39

General

Target

invoice.exe
Size

339KB
MD5

8f76d465d04393a7e53d7ac84bc7a73f
SHA1

d904130c434417ea57d2d4198743231aad25118c
SHA256

fa355139bfaa9fcf4324154194f2cb280899be4863fd278c7b06440d84a14d39
SHA512

1b3946e09684f0c6b7980546776164bc785e0e6e443e554360dc2f81fa38186a5a4487de928ffd8d1d12175d3b742c69501d73972b8c61c08d442267b8c3e4e9

Score

7^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 1436	1124	invoice.exe	24
PID 1436 set thread context of 1312	1436	invoice.exe	20
PID 1436 set thread context of 1312	1436	invoice.exe	20
PID 292 set thread context of 1312	292	raserver.exe	20

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1436	invoice.exe
Token: SeDebugPrivilege	292	raserver.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 1436	1124	invoice.exe	24
PID 1124 wrote to memory of 1436	1124	invoice.exe	24
PID 1124 wrote to memory of 1436	1124	invoice.exe	24
PID 1124 wrote to memory of 1436	1124	invoice.exe	24
PID 1124 wrote to memory of 1436	1124	invoice.exe	24
PID 1124 wrote to memory of 1436	1124	invoice.exe	24
PID 1124 wrote to memory of 1436	1124	invoice.exe	24
PID 1436 wrote to memory of 292	1436	invoice.exe	25
PID 1436 wrote to memory of 292	1436	invoice.exe	25
PID 1436 wrote to memory of 292	1436	invoice.exe	25
PID 1436 wrote to memory of 292	1436	invoice.exe	25
PID 292 wrote to memory of 672	292	raserver.exe	26
PID 292 wrote to memory of 672	292	raserver.exe	26
PID 292 wrote to memory of 672	292	raserver.exe	26
PID 292 wrote to memory of 672	292	raserver.exe	26

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1436	invoice.exe
1436	invoice.exe
1436	invoice.exe
1436	invoice.exe
292	raserver.exe
292	raserver.exe

Deletes itself 1 IoCs

pid	Process
672	cmd.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1436	invoice.exe
1436	invoice.exe
1436	invoice.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe
292	raserver.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Checks whether UAC is enabled
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1312
- C:\Users\Admin\AppData\Local\Temp\invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Users\Admin\AppData\Local\Temp\invoice.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - Suspicious behavior: MapViewOfSection
    - Suspicious behavior: EnumeratesProcesses
    PID:1436
  - - C:\Windows\SysWOW64\raserver.exe
      "C:\Windows\SysWOW64\raserver.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      Suspicious behavior: MapViewOfSection
      Suspicious behavior: EnumeratesProcesses
      PID:292
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
        5⤵
        Deletes itself
        
        PID:672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/292-6-0x0000000000C70000-0x0000000000C8C000-memory.dmp

Filesize
112KB

Download
memory/292-8-0x0000000002F70000-0x0000000003098000-memory.dmp

Filesize
1.2MB

Download
memory/1312-4-0x00000000043A0000-0x0000000004488000-memory.dmp

Filesize
928KB

Download
memory/1312-9-0x0000000006830000-0x0000000006979000-memory.dmp

Filesize
1.3MB

Download
memory/1436-2-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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