c93595e0873e7d9d9c497d9e7d98157b60c120762bc51ea7a01f5a1521e3fcea

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 03:23

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General

Target

Payment_transaction.exe
Size

1.1MB
MD5

75280d770b20a21d964ac26c0dbf047c
SHA1

2f10f24322422d5cd2f38b0e680192a732d7455d
SHA256

2382002f38b7558edbfaaa25ab025c7e6985829b544440011e438c7bcd17033f
SHA512

f6171dd807d5410b95a36b959b4b4438d2cba244874053a8a6e0eb5787d08c988b647d79b5497cb494cdaaf80af687aa5b411ba67df7ded3a4079aac8a62dcf2
SSDEEP

24576:Etb20pkaCqT5TBWgNQ7ah2LIcvBnKSd6A:tVg5tQ7ahncJnJ5

Score

6^/10

collection discovery

Malware Config

Signatures

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\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
8	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4976 set thread context of 1604	4976	Payment_transaction.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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	Payment_transaction.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1604	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4976	Payment_transaction.exe
4976	Payment_transaction.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4976	Payment_transaction.exe
4976	Payment_transaction.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4976	Payment_transaction.exe
4976	Payment_transaction.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 1604	4976	Payment_transaction.exe	86
PID 4976 wrote to memory of 1604	4976	Payment_transaction.exe	86
PID 4976 wrote to memory of 1604	4976	Payment_transaction.exe	86
PID 4976 wrote to memory of 1604	4976	Payment_transaction.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Payment_transaction.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_transaction.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_transaction.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/1604-7-0x0000000000700000-0x000000000071E000-memory.dmp

Filesize
120KB

Download
memory/1604-8-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/1604-9-0x0000000005290000-0x0000000005834000-memory.dmp

Filesize
5.6MB

Download
memory/1604-10-0x0000000004D80000-0x0000000004E1C000-memory.dmp

Filesize
624KB

Download
memory/1604-11-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/1604-12-0x0000000005F20000-0x0000000005FB2000-memory.dmp

Filesize
584KB

Download
memory/1604-13-0x0000000005ED0000-0x0000000005F20000-memory.dmp

Filesize
320KB

Download
memory/1604-14-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/1604-15-0x0000000006290000-0x0000000006452000-memory.dmp

Filesize
1.8MB

Download
memory/1604-16-0x0000000006110000-0x000000000611A000-memory.dmp

Filesize
40KB

Download
memory/1604-17-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4976-6-0x0000000001310000-0x0000000001710000-memory.dmp

Filesize
4.0MB

Download