05e042baf50ff94bd78b5793c15c8abdf431010b7fd35dcc30ef6fbf28997cfc

Analysis

max time kernel
103s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/11/2024, 01:50

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General

Target
GP-041017.exe
Size 960KB
Sample241114-b9q8hsshkn
SHA256 66097a01806d3e72cdfa6c6b4a070e427d6f0580c63b186889ad78e057f4b050
MD5 11cb334ecd9812f37a2ca3cbd71e2b64
SHA1 e99fca73c091962d78670ae27e86d1f34602dd35
SHA512 86756087fc8444e13890eff0a80239f988488d11fc4f599080e8a296dfb091775c1c8aaedf938709ba7cdf779e4612e67bb06a170ffae978dba37392d186d5e6
SSDEEP 12288:xtb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSga07T71XZxcKW66A:xtb20pkaCqT5TBWgNQ7a81XZxcN66A
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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
13	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4700 set thread context of 1112	4700	GP-041017.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	GP-041017.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1112	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4700	GP-041017.exe
4700	GP-041017.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 1112	4700	GP-041017.exe	86
PID 4700 wrote to memory of 1112	4700	GP-041017.exe	86
PID 4700 wrote to memory of 1112	4700	GP-041017.exe	86
PID 4700 wrote to memory of 1112	4700	GP-041017.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\GP-041017.exe
"C:\Users\Admin\AppData\Local\Temp\GP-041017.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\GP-041017.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:1112

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

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Downloads

memory/1112-7-0x0000000000770000-0x000000000078E000-memory.dmp

Download

memory/1112-8-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

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memory/1112-9-0x0000000005370000-0x0000000005914000-memory.dmp

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memory/1112-10-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

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memory/1112-11-0x0000000073ED0000-0x0000000074680000-memory.dmp

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memory/1112-12-0x0000000005E70000-0x0000000005EC0000-memory.dmp

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memory/1112-13-0x0000000006190000-0x0000000006352000-memory.dmp

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memory/1112-14-0x00000000060A0000-0x0000000006132000-memory.dmp

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memory/1112-15-0x0000000006050000-0x000000000605A000-memory.dmp

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memory/1112-16-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

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memory/1112-17-0x0000000073ED0000-0x0000000074680000-memory.dmp

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memory/4700-6-0x0000000000EE0000-0x00000000012E0000-memory.dmp

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