a9b4db85972f79d070675d9e058631e48b252361e60cd129ba00b94e2f8d2327

Analysis

max time kernel
106s
max time network
139s
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, 01:54

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General

Target
PO NO170300999.exe
Size 1.1MB
Sample241114-cbjlfssgpf
SHA256 a9b4db85972f79d070675d9e058631e48b252361e60cd129ba00b94e2f8d2327
MD5 2c54ddacbe04f42e2af76f105c5b0f09
SHA1 f25f441132b0ccbb60147ed8e4cf1d66fbb1d425
SHA512 5063e1226ee262ec034bb022bba6abcf377018b932e1384f4017397c6c24745b0dd00ca2cb066d5278bfbb74a0142a7297cd0a2d59a2fec49fc1c464f5cb147c
SSDEEP 12288:+tb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaUCL0sQZOJUbmQioE6A:+tb20pkaCqT5TBWgNQ7aU8QZBj7E6A
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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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
11	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4748 set thread context of 2376	4748	PO NO170300999.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	PO NO170300999.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2376	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4748	PO NO170300999.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 2376	4748	PO NO170300999.exe	86
PID 4748 wrote to memory of 2376	4748	PO NO170300999.exe	86
PID 4748 wrote to memory of 2376	4748	PO NO170300999.exe	86
PID 4748 wrote to memory of 2376	4748	PO NO170300999.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO NO170300999.exe
"C:\Users\Admin\AppData\Local\Temp\PO NO170300999.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\PO NO170300999.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:2376

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/2376-7-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/2376-8-0x000000007442E000-0x000000007442F000-memory.dmp

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memory/2376-9-0x0000000005ED0000-0x0000000006474000-memory.dmp

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memory/2376-10-0x00000000059C0000-0x0000000005A5C000-memory.dmp

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memory/2376-11-0x0000000074420000-0x0000000074BD0000-memory.dmp

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memory/2376-12-0x0000000006B20000-0x0000000006BB2000-memory.dmp

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memory/2376-13-0x0000000006AD0000-0x0000000006B20000-memory.dmp

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memory/2376-14-0x0000000006E90000-0x0000000007052000-memory.dmp

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memory/2376-15-0x0000000006CF0000-0x0000000006CFA000-memory.dmp

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memory/2376-16-0x000000007442E000-0x000000007442F000-memory.dmp

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memory/2376-17-0x0000000074420000-0x0000000074BD0000-memory.dmp

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memory/4748-6-0x00000000010C0000-0x00000000014C0000-memory.dmp

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