7d23428cfdf148f0a7938252849e12b6652ea1da6b3a41ca8bdb1a23c34cb4a6

Analysis

max time kernel
41s
max time network
81s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 23:18

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General

Target
2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
Size 204KB
Sample221124-3adlxsfa66
SHA256 796c421ab9d0cb0b7e2de528cc7535c3eccabb31c888a04796593654ec37a0e2
MD5 bf08a33a6aa04fd576d4661bfe409d63
SHA1 33bac2b5647c3cf464e5b2cbd7e108aa75877be9
SHA512 4f11e2e9e606c68afaa534f700f54706f1ce23e99c42398a09e4df7a2481a8c6b07f6ffb2d19db5b2dc2fea7e5b6488692af5eeac52e16ae2b13062d8a3c8140
SSDEEP 3072:KbbbeGI6JRubMVHhRJO13oreqjc2K9FZn0f1MsWzdT6V:hGLRdVHheeOFZ0fGL16V
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ncwvmmbt.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\ncwvmmbt.exe\""	Explorer.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4620 set thread context of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
1120	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
1120	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
2492	Explorer.EXE
2492	Explorer.EXE
2492	Explorer.EXE
2492	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
Token: SeDebugPrivilege	2492	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 4620 wrote to memory of 1120	4620	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	83
PID 1120 wrote to memory of 3952	1120	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	84
PID 1120 wrote to memory of 3952	1120	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	84
PID 1120 wrote to memory of 3952	1120	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	84
PID 1120 wrote to memory of 2492	1120	2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe	41

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2492
- C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
  "C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4620
- - C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
    C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_pdf_telekom_00002383882_november_002818273_11_0000000392_000005.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1120
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS8359~1.BAT"
      4⤵
      PID:3952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1120-134-0x0000000000400000-0x0000000000412000-memory.dmp

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memory/1120-136-0x0000000000400000-0x0000000000412000-memory.dmp

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memory/1120-138-0x0000000000400000-0x0000000000412000-memory.dmp

Download

memory/2492-140-0x00007FF9AC3F0000-0x00007FF9AC400000-memory.dmp

Download

memory/4620-137-0x0000000000C30000-0x0000000000C34000-memory.dmp

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