a44c031c1d92b0fa360655b87d85934ccc817649aa01eb7fa69fe5d57ec98626

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 14:21

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General

Target

PO.exe
Size

1.1MB
MD5

58a16cefc34d499992c3ad9b4290bc7e
SHA1

afc3bf366c0508c51316e70a82998267c4bbcebe
SHA256

aa79f8112d7a9d741543bd4ee61ba8a95ead29f15092e03191c58e78a11a63da
SHA512

4eaca4e0d3a1294748516ec9013948716f95cb40632848e9b3e97101c2fc8d596b1f1ebf04106efd5e09738eaa44e03dca6888d492b2a123da56af90257ed372
SSDEEP

24576:WfmMv6Ckr7Mny5QLZ9sO4mAxMMWOwRNr5rOvb:W3v+7/5QLLbAxMhOwrrm

Score

7^/10

collection discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	name.exe

Loads dropped DLL 1 IoCs

pid	Process
1852	PO.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0007000000014864-4.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 2992	2920	name.exe	29

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2992	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2920	name.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2920	1852	PO.exe	28
PID 1852 wrote to memory of 2920	1852	PO.exe	28
PID 1852 wrote to memory of 2920	1852	PO.exe	28
PID 1852 wrote to memory of 2920	1852	PO.exe	28
PID 2920 wrote to memory of 2992	2920	name.exe	29
PID 2920 wrote to memory of 2992	2920	name.exe	29
PID 2920 wrote to memory of 2992	2920	name.exe	29
PID 2920 wrote to memory of 2992	2920	name.exe	29
PID 2920 wrote to memory of 2992	2920	name.exe	29
PID 2920 wrote to memory of 2992	2920	name.exe	29
PID 2920 wrote to memory of 2992	2920	name.exe	29
PID 2920 wrote to memory of 2992	2920	name.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Local\directory\name.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\PO.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\directory\name.exe

Filesize
1.1MB

MD5
58a16cefc34d499992c3ad9b4290bc7e

SHA1
afc3bf366c0508c51316e70a82998267c4bbcebe

SHA256
aa79f8112d7a9d741543bd4ee61ba8a95ead29f15092e03191c58e78a11a63da

SHA512
4eaca4e0d3a1294748516ec9013948716f95cb40632848e9b3e97101c2fc8d596b1f1ebf04106efd5e09738eaa44e03dca6888d492b2a123da56af90257ed372

Download Submit
memory/1852-1-0x0000000003B10000-0x0000000003D10000-memory.dmp

Filesize
2.0MB

Download
memory/1852-2-0x0000000003B10000-0x0000000003D10000-memory.dmp

Filesize
2.0MB

Download
memory/2920-12-0x0000000003B80000-0x0000000003D80000-memory.dmp

Filesize
2.0MB

Download
memory/2992-14-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2992-17-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2992-16-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2992-18-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2992-19-0x0000000000370000-0x00000000003A0000-memory.dmp

Filesize
192KB

Download
memory/2992-20-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2992-21-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2992-22-0x0000000000990000-0x00000000009BE000-memory.dmp

Filesize
184KB

Download
memory/2992-23-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-62-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-24-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-26-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-76-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-73-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-28-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-30-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-32-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-34-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-36-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-38-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-40-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-42-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-44-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-46-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-48-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-50-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-52-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-54-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-56-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-58-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-60-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-66-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-82-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-81-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-78-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-74-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-70-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-68-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-64-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/2992-471-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2992-472-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2992-473-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2992-474-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2992-475-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2992-476-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download