a7b3205188377f0228f645addd0b60c1e4e1277b52cd1f1f2372e1e859c86b4a

Analysis

max time kernel
106s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/12/2024, 09:00

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General

Target
BL-100410364195.exe
Size 1.1MB
Sample241207-kybhcsvqcy
SHA256 b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b
MD5 3b536d0bb93360729b7119e8ee265c61
SHA1 7681a446610d1a1ea4bb4238643fa08cbdb02678
SHA512 bc84e6cf258d5d790becb943a4510648206b495774b96a0a6605ae050ebe61818f62bcd5a817b9d643a1dc809c5fae23711dd69641a67acda614d4517d4da358
SSDEEP 24576:su6J33O0c+JY5UZ+XC0kGso6FaUccy3uWY:2u0c++OCvkGs9FaUcXY
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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\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
11	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 4372	2584	BL-100410364195.exe	83

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	BL-100410364195.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4372	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2584	BL-100410364195.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2584	BL-100410364195.exe
2584	BL-100410364195.exe
2584	BL-100410364195.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2584	BL-100410364195.exe
2584	BL-100410364195.exe
2584	BL-100410364195.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 4372	2584	BL-100410364195.exe	83
PID 2584 wrote to memory of 4372	2584	BL-100410364195.exe	83
PID 2584 wrote to memory of 4372	2584	BL-100410364195.exe	83
PID 2584 wrote to memory of 4372	2584	BL-100410364195.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\BL-100410364195.exe
"C:\Users\Admin\AppData\Local\Temp\BL-100410364195.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:2584
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\BL-100410364195.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:4372

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/2584-6-0x00000000013B0000-0x00000000017B0000-memory.dmp

Download

memory/4372-7-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4372-8-0x00000000741CE000-0x00000000741CF000-memory.dmp

Download

memory/4372-9-0x00000000056F0000-0x0000000005C94000-memory.dmp

Download

memory/4372-10-0x00000000051E0000-0x000000000527C000-memory.dmp

Download

memory/4372-11-0x00000000741C0000-0x0000000074970000-memory.dmp

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memory/4372-12-0x0000000006280000-0x0000000006312000-memory.dmp

Download

memory/4372-13-0x0000000006230000-0x0000000006280000-memory.dmp

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memory/4372-14-0x00000000741CE000-0x00000000741CF000-memory.dmp

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memory/4372-15-0x00000000065F0000-0x00000000067B2000-memory.dmp

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memory/4372-16-0x0000000006470000-0x000000000647A000-memory.dmp

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memory/4372-17-0x00000000741C0000-0x0000000074970000-memory.dmp

Download